337 uirlis
Tiontaire Achair
Tiontaigh achar idir méadair chearnacha, troithe cearnacha, acraí, heicteáir, mílte cearnacha, ciliméadair chearnacha agus tuilleadh — ar an toirt agus go cruinn.
Tiontaire Airgeadra
Tiontaigh idir mórairgeadraí an domhain le rátaí malairte beo a nuashonraítear go laethúil.
Tiontaire Dlúis
Tiontaigh dlús idir kg/m3, g/cm3, g/ml, kg/L, lb/ft3 agus lb/in3 go tapa agus go cruinn don eolaíocht agus don innealtóireacht.
Tiontaire Leva go Euro
Tiontaigh leva Bulgáracha go euro (agus ar ais) ar an ráta athraithe seasta neamh-inchúlghairthe oifigiúil de 1 EUR = 1.95583 BGN, leis an gcruinniú a cheanglaítear de réir dlí.
Tiontaire Cumhachta
Tiontaigh cumhacht idir vataí, cileavataí, meigeavataí, each-chumhacht, each-chumhacht mhéadrach, BTU in aghaidh na huaire agus troigh-phunt in aghaidh an tsoicind.
Tiontaire Uimhreacha Rómhánacha
Tiontaigh uimhreacha go huimhreacha Rómhánacha agus uimhreacha Rómhánacha ar ais go huimhreacha (1–3999), sa dá threo, ag baint úsáide as na gnáthrialacha don nodaireacht dhealaithe.
Tiontaire Luais
Tiontaigh m/s, km/h, mph, muirmhílte agus troithe in aghaidh an tsoicind go tapa agus go cruinn.
Tiontaire Teochta
Tiontaigh Celsius, Fahrenheit, Kelvin agus Rankine ar an toirt le foirmlí cruinne.
Tiontaire Toirte
Tiontaigh toirt idir lítir, millilítir, méadair chiúbacha, galúin SAM, cárta, piontaí, cupáin, unsaí leachtacha, spúnóga boird agus galúin impiriúla.
Acreage Calculator
Calculate the acreage of a rectangular, triangular or circular plot from its dimensions, with results in acres, sq ft, sq m and hectares.
Tiontaire Uillinne
Tiontaigh uillinneacha idir céimeanna, raidiain, gráidiain, arcnóiméid, arcshoicindí agus iompuithe — ar an toirt agus go cruinn.
ATM Conversion Calculator
Convert atmospheres (atm) to pascal, kPa, bar, psi, mmHg, Torr, inHg and millibar — or convert any pressure unit to atm.
Áireamhán Méid Ionchódaithe Base64
Meas méid na sonraí tar éis ionchódú Base64, lena n-áirítear an forchostas ~33% agus stuáil roghnach briseadh líne/data-URI.
Tiontaire BCD (Deachúil Ionchódaithe go Dénártha)
Tiontaigh uimhir dheachúlach go deachúil ionchódaithe go dénártha pacáilte agus ar ais, ag ionchódú gach digit ina nibble 4-ghiotán féin.
Binary Calculator
Convert any non-negative integer between binary (base 2), octal (base 8), decimal (base 10) and hexadecimal (base 16) instantly.
Byte Converter
Convert digital data sizes between bits, bytes, KB, MB, GB, TB and binary KiB, MiB, GiB, TiB — with the decimal vs binary difference explained.
Centimeter Calculator
Convert centimeters to inches, feet, meters, millimeters, yards and miles instantly with a full reference table.
Color Converter
Convert an RGB color (0–255 per channel) to HEX, HSL, HSV and CMYK — with a live color preview swatch.
Tiontaire Tomhais Cócaireachta
Tiontaigh tomhais chócaireachta idir taespúnóga, spúnóga boird, unsaí leachtacha, cupáin, piontaí, cárta, millilítir agus lítir.
CPS Converter
Convert typing speed between characters per second (CPS), words per minute (WPM), CPM, and keystrokes per hour (KPH).
Cubic Feet Calculator
Calculate cubic feet from length, width and height in feet. Instantly converts to cubic yards, cubic inches, cubic meters, liters and US gallons.
Cubic Meter Calculator
Calculate cubic meters from length, width and height in meters. Converts to liters, cubic feet, cubic inches, cubic centimeters and gallons.
Tiontaire Stórála Sonraí
Tiontaigh bearta, KB, MB, GB, TB agus aonaid dhénártha KiB, MiB, GiB go cruinn.
Tiontaire Ráta Aistrithe Sonraí
Tiontaigh rátaí aistrithe sonraí idir giotán in aghaidh an tsoicind, kbit/s, Mbit/s, Gbit/s agus bearta, KB/s, MB/s, GB/s ar an toirt.
Áireamhán Ama Aistrithe Sonraí
Ríomh am aistrithe fíorshaoil do thacar sonraí thar nasc, ag cur éifeachtúlacht prótacail/forchostais san áireamh chun tréchur éifeachtach a fháil.
Day Converter
Convert days to seconds, minutes, hours, weeks, months and years — and back. Uses exact hour/minute/second factors and a 365.25-day average year.
Decimetre Conversion Calculator (dm)
Convert decimetres (dm) to and from millimetres, centimetres, metres, kilometres, inches, feet, yards, and miles.
Áireamhán Ama Íoslódála
Meas cé chomh fada is a thógann sé comhad a íoslódáil óna mhéid agus luas do naisc, le toradh glan hh:mm:ss.
Tiontaire Babhtála Beart Inn-éadanachta
Babhtáil ord beart luach heics 16/32/64-ghiotán chun tiontú idir mór-inn-éadanachta agus beag-inn-éadanachta.
Tiontaire Fuinnimh
Tiontaigh fuinneamh idir júl, cileajúl, calraí, cilichalraí, vatuaire, cileavatuaire, BTU, troigh-phunt agus leictreonvoltanna.
Fahrenheit Calculator
Convert Fahrenheit to Celsius, Kelvin and Rankine instantly with exact formulas and a visual temperature scale.
Feet Converter
Convert feet to meters, inches, centimeters, millimeters, yards, miles, kilometers, and nautical miles instantly with exact values.
Tiontaire Fórsa
Tiontaigh fórsa idir niútain, cileaniútain, díníní, fórsa-punt, fórsa-chileagram agus fórsa-unsa go tapa agus go cruinn.
Tiontaire Minicíochta
Tiontaigh minicíocht idir heirts, cileaheirts, meigeaheirts, gigeaheirts, teiriheirts agus imrothlú in aghaidh an nóiméid (rpm) ar an toirt.
Tiontaire Tíosaíochta Breosla
Tiontaigh tíosaíocht breosla idir L/100km, ciliméadair in aghaidh an lítir, mílte in aghaidh an ghalúin SAM agus mílte in aghaidh an ghalúin RA go cruinn.
Gallon Calculator
Convert US liquid, US dry or Imperial gallons to litres, millilitres, quarts, pints, cups, fluid ounces and cubic units.
Gematria Calculator
Convert any English word or phrase to a gematria number value using Simple (A=1–Z=26), Reverse, or Reduced systems.
Tiontaire Cód Liath (Dénártha ↔ Liath)
Tiontaigh idir dénártha caighdeánach agus cód Liath frithchaite, áit a bhfuil difríocht díreach giotán amháin idir luachanna cóngaracha.
Greek Gematria Calculator
Calculate the isopsephy (Greek gematria) value of any Greek word or phrase. Each letter maps to its Milesian numeral: Α=1, Ι=10, Ρ=100, Ω=800 and so on.
Tiontaire Airde (cm ↔ ft/in)
Tiontaigh airde idir ceintiméadair agus troithe & orlaí. Athraigh an treo le dul cm → ft/in nó ft/in → cm, leis an luach i méadair. Saor in aisce, ar an toirt agus cruinn.
Tiontaire Datha HEX go RGB
Tiontaigh cód datha heics (#RGB nó #RRGGBB) go luachanna cainéil dearg, glas agus gorm agus teaghrán CSS rgb().
Hour Converter
Convert hours to minutes, seconds, milliseconds, days, weeks, months and years instantly. Supports decimal hours (e.g. 1.5 h).
Tiontaire Snámhphointe IEEE-754
Bris uimhir dheachúlach ina giotáin comhartha, easpónant, agus mantasa IEEE-754 le haghaidh cruinneas 32-ghiotán (singil) agus 64-ghiotán (dúbailte).
Imperial Unit Converter
Convert between imperial (inches, feet, pounds, gallons, °F) and metric units instantly — all four measurement types in one tool.
Inch Converter
Convert inches to millimetres, centimetres, metres, feet, yards and miles instantly using exact SI definitions.
Kilometer Calculator
Convert kilometres to miles, metres, feet, yards, inches, nautical miles and light-years — or convert any distance to kilometres.
kPa Conversion Calculator
Convert kilopascals (kPa) to pascals, MPa, bar, atm, psi, mmHg, Torr, inHg and mbar — or convert any pressure unit to kPa.
Land Area Calculator
Convert land area between acres, hectares, square meters, square feet, sq km, sq miles, rai, cents and marla instantly.
Leet Speak Calculator
Convert normal text into leet speak (1337) by substituting letters with numbers and symbols — basic or advanced mode.
Tiontaire Faid
Tiontaigh idir méadair, ciliméadair, mílte, troithe, orlaí, slata agus tuilleadh — ar an toirt agus go cruinn.
Litre to cc Calculator
Convert between litres, cubic centimetres (cc), millilitres and US gallons — plus fl oz and cups in one step.
Mbps Converter
Convert Mbps to MB/s, KB/s and Gbps, and calculate how long it takes to download or upload any file at your speed.
Mil Conversion Calculator
Convert mils (thousandths of an inch) to micrometers, millimeters, centimeters, meters and inches instantly.
Mile Conversion Calculator
Convert miles to kilometers, meters, feet, yards, nautical miles and centimeters instantly with exact international conversion factors.
Millimeter Calculator
Convert millimeters to inches, centimeters, meters, micrometers, feet, yards and miles instantly with exact conversion factors.
MM Millimeters Calculator
Convert inches, feet, yards, centimeters, meters, kilometers or micrometers to millimeters instantly with exact conversion factors.
MPa Conversion Calculator
Convert megapascals (MPa) to psi, bar, kPa, atm, GPa, Torr, mmHg and more — or convert any pressure unit to MPa.
Newton-Meter Calculator
Convert torque between Newton-meters, foot-pounds, inch-pounds, kgf·m and Newton-centimeters instantly.
nm Converter
Convert nanometres to micrometres, millimetres, metres, angstroms and picometres — or convert any of those back to nm.
Tiontaire Bonn Uimhreach
Tiontaigh aon uimhir iomlán idir bonn dénártha, ochtnártha, deachúlach agus heicsidheachúlach. Cuir luach isteach, roghnaigh a bhonn, agus feic na ceithre léiriú ar an toirt.
Paper Quantity Calculator
Calculate how many sheets of paper and reams to buy for a print job — supports duplex printing and multiple paper sizes.
Pounds and Ounces Calculator
Convert pounds and ounces to kilograms, grams, stones and total ounces. Enter lb + oz together for a combined weight.
PPM Calculator
Convert parts per million (ppm) to ppb, ppt, percent, per mille, mg/kg, mg/L and μg/L — and back from any of those units.
Tiontaire Brú
Tiontaigh brú idir pascail, cileapascail, meigeapascail, bár, psi, atmaisféir, mmHg agus torr — go tapa agus go cruinn.
PSI Conversion Calculator
Convert PSI (pounds per square inch) to bar, kPa, MPa, Pa, atm, mmHg, inHg, Torr and psf — or convert any pressure unit back to psi.
Tiontaire Datha RGB go HEX
Iompaigh luachanna dearg, glas agus gorm (0-255) ina chód heics #RRGGBB chomh maith le teaghrán CSS rgb() réidh le húsáid.
Tiontaire Datha RGB go HSL
Tiontaigh cainéil datha RGB go HSL (lí i gcéimeanna, sáithiú agus gile i gcéatadán) le haghaidh tweaking datha níos éasca.
Tiontaire Ama
Tiontaigh am idir nanashoicindí, micreashoicindí, milleashoicindí, soicindí, nóiméid, uaireanta, laethanta, seachtainí, míonna agus blianta ar an toirt.
Tiontaire Torc
Tiontaigh torc idir niútan-mhéadair, cileaniútan-mhéadair, punt-throithe, punt-orlaí agus fórsa-chileagram-mhéadair go cruinn.
Unicode Text Calculator
Convert any text to Unicode code points (U+XXXX hex, decimal or binary) and see the UTF-8 byte count, character count and script distribution.
Unix Time Calculator
Convert a Unix timestamp (seconds since 1970-01-01 UTC) to a human-readable UTC date and time, and see days, weeks, and years elapsed.
Áireamhán Ráta Giotán & Méid Comhaid Físe
Meas méid comhaid físe óna ráta giotán agus a fhad (le rian fuaime roghnach), nó réitigh don ráta giotán.
Áireamhán Cóimheas Codarsnachta Datha WCAG
Seiceáil an cóimheas codarsnachta idir dhá dhath heics agus an n-éiríonn leo WCAG AA/AAA do théacs gnáth agus mór.
Tiontaire Meáchain agus Maise
Tiontaigh cileagraim, graim, puint, unsaí, clocha agus tonnaí go tapa agus go cruinn.
Weird Units Calculator
Convert any distance to obscure and unusual units: smoots, cubits, furlongs, hands, fathoms, chains, leagues and light years.
Yard Conversion Calculator
Convert yards to metres, centimetres, feet, inches, miles, furlongs and more using exact 1959 SI definitions.
Acres to Hectares Converter
Convert acres to hectares (and to square meters, square feet, square miles) instantly using the exact international conversion factor.
Acres to Square Feet Converter
Convert acres to square feet (and square yards, square inches, square meters) instantly. 1 acre = 43,560 sq ft exactly.
Angstrom to nm Converter
Convert angstroms (Å) to nanometres, picometres, micrometres and metres — 1 Å = 0.1 nm exactly.
Ares to Cents Converter
Convert ares to cents (South Indian land unit) and to square metres, square feet, acres, and hectares. 1 are ≈ 2.4711 cents.
Ares to Hectares Calculator
Convert ares to hectares instantly. 1 are = 0.01 ha (exact). Also shows square meters, square feet and acres.
Astronomical Unit Calculator
Convert between astronomical units (AU) and kilometres, miles, metres, light-years, parsecs and light-minutes.
ATM to Pascals Conversion Calculator
Convert standard atmospheres (atm) to pascals, kilopascals, bar, PSI, and mmHg instantly — exact BIPM definition.
Bar to ATM Conversion Calculator
Convert bar to standard atmospheres (atm) — plus kPa, Pa, psi, mmHg and mbar. 1 bar = 0.986923 atm.
Bar to PSI Conversion Calculator
Convert bar to psi (pounds per square inch) — plus atm, kPa, mmHg and mbar. 1 bar = 14.5038 psi.
Bar to PSIG Conversion Calculator
Convert bar (absolute) to psig (gauge pressure in psi). 1 bar ≈ −0.192 psig because 1 bar < 1 atm.
Barometric Pressure Conversion Calculator
Convert barometric pressure between hPa, mbar, inHg, mmHg, Pa, kPa, atm and psi — with sea-level weather context.
Billion to Trillion Converter
Convert any number of billions to trillions, millions and quadrillions instantly — with the scale relationship shown step by step.
Binary to Hexadecimal Converter
Convert any binary number to hexadecimal instantly — with the nibble grouping that makes the 1-to-4 mapping visible.
Binary to Octal Converter
Convert a binary number to octal instantly — groups bits into triplets showing the 3-to-1 relationship.
Capacitance Conversion Calculator
Convert capacitance between farads, millifarads, microfarads, nanofarads, picofarads and femtofarads instantly.
CC to Grams Converter
Convert cubic centimetres (cc) to grams using density. Choose a preset substance or enter a custom density.
CC to Liter Converter
Convert cubic centimetres (cc) to litres and back, plus mL, US gallons and fluid ounces — all exact SI definitions.
CC to mL Converter
Convert cc (cubic centimetres) to mL — they are identical — plus litres, fluid ounces, teaspoons, tablespoons and cups.
CC to Oz Converter
Convert cc (cubic centimetres / mL) to US or UK fluid ounces and back — plus litres, cups, pints, quarts and gallons.
CCF to Gallons Conversion Calculator
Convert CCF (hundred cubic feet) to US gallons, litres and cubic metres — used for water and natural gas billing.
CCF to Therms Calculator
Convert CCF (hundred cubic feet) of natural gas to therms and MMBtu using your gas's BTU content. For gas billing and energy use.
Celsius Converter
Convert Celsius to Fahrenheit, Kelvin and Rankine instantly with exact formulas and a visual temperature scale.
Celsius to Fahrenheit Calculator
Convert any Celsius temperature to Fahrenheit instantly. Includes Kelvin and a plotted conversion line so you can see the linear relationship.
Cent to Square Meter Converter
Convert cents to square metres, square feet, acres and hectares. 1 cent = 40.4686 m² — the standard land unit used in South India and Sri Lanka.
Centigrade to Celsius Converter
Convert centigrade to Celsius and learn why they are identical scales. Also converts to Fahrenheit, Kelvin and Rankine.
Cents to Dollars Calculator
Convert US cents to dollars instantly. Shows the decimal dollar amount, whole dollars and remaining cents.
Cents to Euros Calculator
Convert euro cents (the minor unit) to euros. Shows the decimal euro amount, whole euros and remaining cents.
CGS System of Units Calculator
Convert between CGS (centimetre-gram-second) and SI (metre-kilogram-second) units for length, mass, force, energy, pressure and more.
cm to Feet and Inches
Convert any height in centimetres to feet and inches. See feet, remaining inches, total inches and metres instantly.
cm to ft and in Converter
Convert centimetres to feet and inches, or feet and inches back to centimetres. Instant bidirectional cm ↔ ft + in converter.
CM to Inches Calculator
Convert centimeters to decimal inches, fractional inches (nearest 1/16") and feet + inches instantly.
CM to KM Calculator
Convert centimeters to kilometers instantly. Also shows meters, miles, feet and nautical miles.
CM to M Calculator
Convert centimeters to meters instantly. Also shows mm, km, inches and feet for a full reference.
CM to MM Calculator
Convert centimeters to millimeters instantly. Exact metric conversion: 1 cm = 10 mm, with a full reference.
Conversion Calculator
Convert any value between two units using a custom conversion factor. Enter the factor yourself for any unit pair not covered by a dedicated converter.
Coordinates Converter
Convert 2D coordinates between Cartesian (x, y) and polar (r, θ) form — both directions, with degrees and radians.
Crore to Lakh Calculator
Convert crore to lakh instantly. Also shows millions, billions and thousands. 1 crore = 100 lakh.
Crore to Million Calculator
Convert crore to million instantly. Also shows lakh, billion and trillion. 1 crore = 10 million.
Cubic Feet to Cubic Meters Converter
Convert cubic feet to cubic meters instantly. Also converts to liters, US gallons, cubic inches, cubic yards and cubic centimetres.
Cubic Feet to Gallons Calculator
Convert cubic feet to US gallons, UK gallons, liters, quarts and pints instantly using the exact 1 ft³ = 7.48052 gal factor.
Cubic Feet to Pounds Calculator
Convert cubic feet to pounds (and kg, tons) for water, concrete, sand, soil, steel and more — choose a material or enter a custom density.
Cubic Inches to Gallons Calculator
Convert cubic inches to US gallons, UK gallons, liters, quarts and fluid ounces using the exact 231 in³ = 1 US gal definition.
Cubic Meter to Ton Calculator
Convert cubic meters to metric tons, short tons and pounds for water, concrete, sand, steel and more — choose a material or enter a custom density.
Cubic Yards to Tons Calculator
Convert cubic yards to US short tons (and metric tons) for concrete, gravel, sand, topsoil, crushed stone and more using bulk density values.
Cups to Fluid Ounces Calculator
Convert US cups to fluid ounces instantly. Also shows tablespoons, teaspoons, pints, quarts, millilitres and litres.
Cups to Gallons Converter
Convert US cups to gallons, quarts, pints, fluid ounces, milliliters and liters. 16 US cups = 1 US gallon exactly.
Cups to Pints Converter
Convert US cups to pints. Also shows quarts, gallons, fluid ounces, millilitres and litres.
Cups to Quarts Converter
Convert US cups to quarts. Also shows pints, gallons, fluid ounces, millilitres and litres.
dBm to Watts Converter
Convert dBm to watts, milliwatts and microwatts instantly. Used in RF, wireless, audio and optical power measurement.
Decagram to Gram Calculator (dag → g)
Convert decagrams to grams and other weight units — kg, mg, oz, lb — using the exact SI factor 1 dag = 10 g.
Decimal to Hexadecimal Converter
Convert any non-negative integer from decimal (base 10) to hexadecimal (base 16) with binary and octal for context.
Decimal to Octal Converter
Convert any non-negative decimal integer to octal (base 8), with binary triplet grouping and hex for context.
Decimeter to Meter Calculator (dm → m)
Convert decimetres to metres and seven other units — cm, mm, km, inches, feet, yards — using the exact SI factor 1 dm = 0.1 m.
Degrees Minutes Seconds (DMS) Calculator
Convert between decimal degrees and degrees–minutes–seconds (DMS) notation, plus radians and gradians. Ideal for GPS coordinates, surveying and navigation.
Degrees to Arc Seconds Converter
Convert an angle in degrees, arc minutes and arc seconds (DMS) to total arc seconds, decimal degrees and radians.
Degrees to Minutes Converter (Arcminutes & Arcseconds)
Convert decimal degrees to arcminutes and arcseconds. Also outputs radians, gradians and full DMS notation. Useful for GPS, astronomy and navigation.
Dimensional Analysis Calculator
Chain up to three conversion factors to convert any unit step-by-step using the factor-label method.
Dimes to Dollars Calculator
Convert any number of dimes, quarters, nickels, pennies and half dollars to dollars — instant coin jar total.
Distance Converter
Convert between common distance units — mm, cm, m, km, inches, feet, yards, miles, nautical miles, light-years and AU.
Drops to mL Converter
Convert drops (gtt) to millilitres for standard, IV macrodrip, IV microdrip or essential-oil drop sizes. Also shows litres, teaspoons and tablespoons.
Energy Conversion Calculator
Convert between energy units: Joules, kJ, MJ, kWh, Wh, calories, kcal, BTU, foot-pounds and ergs instantly.
Fahrenheit to Celsius Calculator
Convert Fahrenheit to Celsius instantly — also shows Kelvin and Rankine equivalents with the exact formula.
Feet and Inches Calculator
Convert a length in feet and inches to centimetres, metres, millimetres, yards and total inches. Handles any combination of feet and inches.
Feet to Inches Calculator
Convert feet to inches instantly — 1 foot = 12 inches exactly. Also shows the result in centimetres and metres.
Feet to Metres Calculator
Convert feet to metres, centimetres, millimetres, inches, yards and kilometres instantly. 1 ft = 0.3048 m exactly.
Feet to Miles Calculator
Convert feet to miles, kilometres, metres, yards and nautical miles. 1 statute mile = 5,280 feet exactly.
Feet to Yards Conversion Calculator
Convert feet to yards, metres, centimetres and inches. 1 yard = 3 feet exactly. Shows whole yards plus any remaining feet.
Fluid Ounces to Pounds Converter
Convert US fluid ounces to pounds, ounces, grams, and kg for water, milk, oil, honey, and other substances by density.
Foot to Centimeter Converter
Convert feet and inches to centimetres instantly. 1 ft = 30.48 cm exactly. Also shows metres, millimetres and total inches.
Force Conversion Calculator
Convert force between Newton, pound-force, kilogram-force, kilonewton, kip, dyne, poundal and millinewton instantly.
Gaj to Square Yard Converter
Convert gaj to square yards, square feet, square metres, marla, biswa, acres and hectares. 1 gaj = 1 square yard.
Gallons to Cubic Feet Calculator
Convert US liquid or Imperial gallons to cubic feet, cubic inches, cubic metres, litres and millilitres instantly.
Gallons to Cups Converter
Convert US or Imperial gallons to cups, pints, quarts, fluid ounces, tablespoons and teaspoons instantly.
Gallons to Grams Calculator
Convert US or Imperial gallons to grams, kilograms, ounces and pounds using density. Choose water, fuel, oil, honey and more.
Gallons to Kilograms Calculator
Convert US or imperial gallons to kilograms for water, gasoline, diesel, milk, ethanol, oil, honey and more.
Gallons to Pints Converter
Convert US or Imperial gallons to pints, quarts, cups, fluid ounces and litres with exact ratio-based conversions.
Gallons to Pounds Calculator
Convert US gallons to pounds and kilograms for water, gasoline, diesel, milk, oil, honey and more — or enter a custom density.
Gallons to Quarts Converter
Convert gallons to quarts, pints, cups and fluid ounces — for both US liquid and UK Imperial gallons — plus litres and millilitres.
Gallons to Tons Calculator
Convert US or imperial gallons to metric tons, US short tons and UK long tons for water, fuel, oil and other common liquids.
Gram to Liter Conversion Calculator
Convert grams to liters for water, milk, oil, honey and other liquids using each substance's density.
Grams to Calories Calculator
Convert grams of protein, carbohydrates, fat and alcohol to kilocalories using the Atwater energy factors.
Grams to Fluid Ounces Calculator
Convert grams to US fluid ounces for water, milk, flour, honey and more — density applied automatically per ingredient.
Grams to mL Converter
Convert grams to milliliters for water, ethanol, oil, glycerol, mercury and more — using each substance's density.
Convert grams to millilitres for water, flour, sugar, butter, oil, honey and more using each ingredient's density.
Grams to Ounces Converter
Convert grams to avoirdupois ounces, troy ounces, pounds and kilograms instantly with a reference weight scale.
Grams to Pounds Calculator
Convert grams to pounds (and ounces), or between any combination of grams, kilograms, ounces and pounds instantly.
Grams to Teaspoons Converter
Convert grams to US teaspoons for water, flour, sugar, salt, baking soda, honey and more using each ingredient's density.
Hardness Conversion Calculator
Convert between Rockwell C, Vickers and Brinell hardness scales for steel using ASTM E140 interpolated lookup tables.
Hectares to Acres Converter
Convert hectares to acres (and to square meters, square feet, square miles, square yards) using the exact international conversion factor: 1 ha = 2.47105381 acres.
Height in Inches Calculator
Convert height from feet and inches or centimetres to total inches. Instantly see the equivalent in cm and metres.
Hours to Days Calculator
Convert hours to days instantly. See full days, remaining hours, weeks, months and years — decimal input supported.
Hours to Seconds Converter
Convert hours to seconds, minutes, milliseconds and microseconds instantly. 1 hour = 3 600 seconds — decimal input supported.
Hours to Weeks Calculator
Convert hours to weeks with the exact full-weeks and remainder breakdown. 168 hours = 1 week. Decimal input supported.
Hours to Years Calculator
Convert hours to years, months, weeks and days. Uses the Gregorian average of 365.25 days per year (8 766 hours). Decimal input supported.
Imperial to Metric Conversion Calculator
Convert imperial units to metric: length (in/ft/mi), weight (lb/oz), volume (US gal/fl oz), temperature (°F), area, and speed.
Inch to Meter Calculator
Convert inches to metres, centimetres, millimetres, feet and yards instantly using the exact 1 in = 0.0254 m definition.
Inch-Pounds to Foot-Pounds Calculator
Convert torque from inch-pounds (in·lb) to foot-pounds (ft·lb) and Newton-metres instantly. 12 in·lb = 1 ft·lb, exact.
Inch-Pounds to Newton-Metres Calculator
Convert torque from inch-pounds (in·lbf) to newton-metres (N·m). Also shows foot-pounds, kgf·cm and centinewton-metres.
Inches to Centimetres Calculator
Convert inches to centimetres instantly. 1 inch = 2.54 cm exactly. Also shows millimetres, metres and feet-and-inches.
Inches to Fraction Calculator
Convert decimal inches to the nearest fractional inch (halves, quarters, eighths, sixteenths, thirty-seconds, sixty-fourths) with the exact rounding error.
Inches to Yards Calculator
Convert inches to yards, feet and metres instantly. Exact: 1 yard = 36 inches. Shows whole yards plus remainder.
Joules to Volts Calculator
Convert energy in joules to voltage in volts using the formula V = E / Q (voltage = energy ÷ charge). Also supports conversion via current and time.
Katha to Square Feet Converter
Convert katha to square feet, square meters, square yards, acres and hectares. Supports regional values for West Bengal, Bihar, Assam and more.
Kelvin Converter
Convert any Kelvin temperature to Celsius, Fahrenheit, and Rankine instantly with exact formulas and a live conversion chart.
Kelvin to Celsius Calculator
Convert any Kelvin temperature to Celsius in one step. Includes a Fahrenheit bonus and a K → °C conversion chart.
Kelvin to Fahrenheit Calculator
Convert any Kelvin temperature to Fahrenheit using the exact two-step formula. Includes Celsius and a K → °F conversion chart.
kg to Gallons Calculator
Convert kilograms to US or UK gallons for water, milk, gasoline, oil and other liquids by selecting the substance density.
kg to lbs Converter
Convert kilograms to pounds (and back) with instant results in lbs, oz, stone, grams and tonnes.
kg to Liters Calculator
Convert kilograms to litres (and back) for water, milk, gasoline, oil and more by density. Also shows mL, gallons and cubic metres.
kg to mL Calculator
Convert kilograms to millilitres (and back) for water, milk, oil and other liquids. Also gives litres, fluid ounces, teaspoons and cups.
Kg to Ounce Converter (kg ↔ oz)
Convert kilograms to ounces (avoirdupois) or ounces to kilograms instantly, with grams and pounds too.
Kg to Stones Converter (kg ↔ st lb)
Convert kilograms to stones and pounds or stones/pounds to kilograms. Also shows total pounds.
kg/cm² to psi Converter
Convert kilogram-force per square centimetre (kgf/cm²) to psi, bar, kPa, MPa, atm, Pa and mmHg instantly.
Kilobytes to Megabytes Calculator (KB ↔ MB)
Convert kilobytes to megabytes and back — binary (IEC, ÷1024) or decimal (SI, ÷1000) — plus GB and TB.
Kilometer to Meter Conversion Calculator (km ↔ m)
Convert kilometres to metres and back. Also shows centimetres, millimetres, miles, feet and yards.
Kilometres to Feet Conversion Calculator
Convert kilometres to feet, inches, yards and miles. Uses the exact international foot (0.3048 m). 1 km = 3,280.84 feet.
Kilometres to Miles Calculator
Convert kilometres to miles instantly. Uses the exact international definition: 1 mile = 1.609344 km. Also shows metres, feet and nautical miles.
Knots to km/h Calculator
Convert knots to km/h, mph, m/s and ft/s. Exact conversion: 1 knot = 1.852 km/h. Also shows the Beaufort wind scale classification.
Knots to MPH Calculator
Convert knots (nautical miles per hour) to mph, km/h and m/s instantly. 1 knot = 1.150779 mph.
kPa to ATM Conversion Calculator
Convert kilopascals (kPa) to standard atmospheres (atm) — plus Pa, bar, psi and mmHg. 1 kPa = 0.009869 atm.
kPa to mmHg Conversion Calculator
Convert kilopascals (kPa) to millimetres of mercury (mmHg) — plus Torr, atm, bar and psi. 1 kPa = 7.5006 mmHg.
kPa to PSI Conversion Calculator
Convert kilopascals (kPa) to psi (pounds per square inch) — plus atm, bar and mmHg. 1 kPa = 0.14504 psi.
ksi to MPa Conversion Calculator
Convert ksi (kilopounds per square inch) to MPa (megapascals) instantly. Also shows GPa, kPa, bar and psi equivalents.
ksi to psi Conversion Calculator
Convert ksi (kilopounds per square inch) to psi instantly. 1 ksi = 1000 psi exactly. Also shows MPa, kPa and bar.
Lat/Long to UTM Converter
Convert latitude and longitude (decimal degrees, WGS84) to UTM easting, northing, zone and band using the Transverse Mercator projection formula.
lbs to kg Converter
Convert pounds to kilograms instantly. Shows kg, g, oz, stones and tonnes — based on the exact 1 lb = 0.45359237 kg definition.
lbs to Newton Calculator
Convert a mass in pounds to gravitational force in newtons. Choose Earth, Moon or Mars gravity. Shows kN, kgf and dyne.
lbs to Pounds Converter
Convert common pounds (avoirdupois) to troy pounds and metric pounds. Shows troy ounces, grams and grains — different pound standards explained.
lbs to PSI Calculator
Calculate PSI from a force in pounds over a contact area in square inches. Also converts to kPa, bar, atm and MPa. Ideal for hydraulics and contact pressure.
lbs to Stone Converter
Convert pounds to stones and pounds remainder. Also shows kilograms, ounces and decimal stones. Used for body weight in the UK and Ireland.
Light-Year Conversion Calculator
Convert light-years to kilometres, miles, astronomical units (AU), and parsecs — or convert any of those back to light-years.
Liters to Centiliters (cL) Converter
Convert litres to centilitres instantly — plus millilitres, US fluid ounces, cups and tablespoons. 1 L = 100 cL.
Liters to Pounds Calculator
Convert litres to pounds (and kg, g, oz) for water, milk, fuel, oil and more — using each liquid's actual density.
Litres to Gallons Calculator
Convert litres to US liquid gallons, UK (imperial) gallons and US dry gallons. Also shows quarts, pints, fl oz and millilitres.
Lot Size to Acres Calculator
Convert a real-estate lot size from square feet, square meters, square yards, hectares or square miles to acres instantly.
Lot Size to Square Feet Calculator
Convert a real-estate lot size from acres, square meters, square yards, hectares or square miles to square feet.
Lowercase to Uppercase Converter
Instantly convert text to UPPERCASE, lowercase, Title Case, Sentence case, or alternating case with a character and word count.
m/s to km/h Calculator
Convert m/s to km/h instantly. 1 m/s = 3.6 km/h exactly. Also shows mph, knots and feet per second.
MB to GB Converter
Convert megabytes (MB) to gigabytes (GB) in both decimal (SI) and binary (IEC GiB) standards, plus KB, TB, KiB, MiB, TiB and bits.
Mbps to Gbps Calculator
Convert network speed from Mbps to Gbps (÷1 000) and to MB/s, GB/s, Kbps, bps — with a step-by-step breakdown of all conversions.
mcg to mg Calculator
Convert between micrograms (mcg/µg) and milligrams (mg) instantly. 1 mg = 1 000 mcg. Works in both directions.
mcg to mL Calculator
Calculate how many mL to draw from a solution to deliver a dose in micrograms (mcg) — given drug amount and total volume.
Measurement Converter
Convert between metric and imperial units for length, mass, area, volume, speed and temperature. Instant, precise output.
Mesh to Micron Converter
Convert US Standard mesh numbers to microns (µm), mm and inches using ASTM E11 sieve data, or convert particle sizes back to the nearest mesh.
Meter Conversion Calculator
Convert meters to feet, miles, kilometers, inches, yards and nautical miles — or from any unit back to meters.
Meter to Mile Conversion Calculator
Convert meters to miles instantly. Also shows kilometers, feet, yards and nautical miles. 1 mile = 1609.344 m exactly.
Meters to Feet Calculator
Convert meters to feet and inches instantly. Also shows yards, miles, cm and mm. 1 meter = 3.28084 feet exactly.
Metres to Feet Calculator
Convert metres to feet, feet and inches, yards, centimetres and millimetres instantly with exact conversion factors.
Metric Converter
Convert between all metric units for length (mm→km), mass (mg→t) and volume (mL→kL) using SI prefix factors.
Metric to Imperial Conversion Calculator
Convert metric units (cm, kg, mL, °C) to imperial units (inches, pounds, fl oz, °F) — length, weight, volume and temperature in one tool.
Metric to Inches Calculator
Convert metric lengths (mm, cm, m, km) to inches and feet. 1 inch = 25.4 mm exactly. Also shows yards and miles.
Metric to SAE Calculator
Convert metric wrench and socket sizes (mm) to the nearest SAE (fractional inch) equivalent. Shows deviation and adjacent SAE sizes.
Metric to Standard Converter
Convert metric units (km, kg, L, °C, km/h) to US standard / imperial units — miles, pounds, gallons, Fahrenheit, and mph.
mg to cc Calculator
Convert milligrams to cubic centimetres (cc) using substance density. Choose a preset or enter a custom density.
mg to lbs Calculator
Convert milligrams to pounds (lb), ounces, grams, and kilograms using exact avoirdupois conversion factors.
mg to mL Calculator
Convert milligrams to millilitres using substance density. Includes presets for water, saline, ethanol, milk, oil, honey, and blood.
mg to Tablespoon Converter
Convert milligrams to US tablespoons using substance density. Includes presets for water, oil, honey, milk, maple syrup, and butter.
mg to Teaspoon Converter
Convert milligrams to teaspoons for water, sugar, salt, flour, honey and more — instantly, based on substance density.
Micrometer Conversion Calculator
Convert micrometres (µm) to nanometres, millimetres, centimetres, metres, inches, feet, mils and angstroms — all conversions exact.
Micron to Mil Conversion Calculator
Convert microns (µm) to mils (thou) and back — 1 mil = 25.4 µm exactly. Enter either unit for the full conversion.
Mil to Inch Conversion Calculator
Convert mils (thousandths of an inch) to decimal inches, fractional inches, feet, mm and µm. Exact: 1 mil = 0.001 inch.
Mil to mm Conversion Calculator
Convert mils (thousandths of an inch) to millimeters and micrometers. Exact: 1 mil = 0.0254 mm = 25.4 µm.
Million to Billion Calculator
Convert any number of millions to billions, trillions, and the full raw figure instantly.
Million to Lakh Calculator
Convert millions to lakhs instantly. 1 million = 10 lakh. Also shows crores, thousands and the full numeric value.
Million to Thousand Converter
Convert millions to thousands instantly. 1 million = 1,000 thousand. Also shows billions, lakhs and the full numeric value.
Milliseconds Converter
Convert milliseconds to seconds, minutes, hours, days, microseconds, and nanoseconds instantly.
Milliseconds to Seconds Conversion Calculator
Convert milliseconds (ms) to seconds, minutes, hours, microseconds and nanoseconds. 1 ms = 0.001 s exactly.
Minute Converter
Convert minutes to seconds, milliseconds, hours, days, weeks, months and years instantly. Supports decimal minutes.
Minutes to Days Calculator
Convert any number of minutes to days — showing decimal days plus the exact whole-days, remaining hours and remaining minutes breakdown.
Minutes to Decimal Conversion
Convert hours and minutes (HH:MM) to decimal hours for timesheets, payroll or scheduling. Example: 1 h 30 min = 1.5 h.
Minutes to Seconds Converter
Instantly convert minutes to seconds, hours, days and milliseconds — any decimal value supported.
Minutes to Years Conversion Calculator
Convert minutes to years, months, weeks, days, hours and seconds with a detailed mixed-unit breakdown.
mL to cc Converter
Convert millilitres (mL) to cubic centimetres (cc or cm³) instantly — 1 mL = 1 cc by definition. Also shows litres, cubic inches and US/UK fluid ounces.
mL to Cups Calculator
Convert millilitres to cups (US customary, US legal, metric or imperial) and get the nearest kitchen fraction like ¾ cup. Reverse conversion included.
mL to kg Calculator
Convert millilitres to kilograms using density. Choose water, milk, oil, honey, alcohol or enter a custom density.
mL to lbs Calculator
Convert millilitres to pounds using density. Choose water, milk, oil, honey, alcohol or enter a custom density.
mL to oz Converter
Convert millilitres to US or UK fluid ounces, or to weight ounces using substance density. Includes tablespoons, cups and pounds.
mL to Tablespoon Converter
Convert millilitres to tablespoons (US, metric, Australian or UK) and vice-versa. Includes cross-reference for all four tablespoon standards.
mL to tsp Converter
Convert millilitres to teaspoons and tablespoons for US, Metric/Australian or UK measurements. 1 US tsp = 4.929 mL, 1 metric tsp = 5 mL.
mL to µL Conversion Calculator
Convert millilitres to microlitres (µL), nanolitres, picolitres, litres and US fluid ounces. 1 mL = 1,000 µL exactly.
MM to Feet Converter
Convert millimeters to feet (decimal and feet-and-inches). Also shows equivalent inches, centimeters and meters.
MM to Inches Conversion Calculator
Convert millimeters to decimal inches and the nearest 1/16-inch fraction. Also shows feet, centimeters and meters.
MM to KM Conversion Calculator
Convert millimeters to kilometers and other units — meters, centimeters, miles and feet — using exact SI-defined factors.
MM to Meters Conversion Calculator
Convert millimeters to meters — plus centimeters, kilometers, inches and feet — using exact SI definitions.
mmHg to atm Conversion Calculator
Convert millimeters of mercury (mmHg) to standard atmospheres (atm) and other pressure units — Pa, kPa, bar and psi.
Convert mmHg (millimetres of mercury) to atm, Pa, kPa, bar, psi, inHg, Torr and mbar — or convert any pressure unit to mmHg.
Months to Years Calculator
Convert any number of months to years (and remaining months), plus total weeks, days and hours using average Gregorian calendar lengths.
MPa to PSI Conversion Calculator
Convert megapascals (MPa) to psi instantly. 1 MPa = 145.0377 psi. Also shows bar, kPa, atm and Pa.
MPa to PSIG Conversion Calculator
Convert MPa (absolute) to psig (gauge pressure in psi). 1 MPa abs ≈ 130.34 psig at standard atmosphere.
N·m to ft·lb Calculator
Convert torque between Newton-meters and foot-pounds in both directions. Essential for automotive, fastener, and engineering work.
N·m to in·lb Calculator
Convert torque between Newton-meters and inch-pounds in both directions. Used for small fasteners, electronics, and bicycle components.
Natural Gas Converter
Convert natural gas volume (cubic feet or cubic metres) to BTU, kWh, therms, MJ, GJ, and MMBtu using the standard higher heating value.
Newton to Joules Calculator
Convert newtons and metres to joules: calculate work/energy (W = F × d) and convert the result to kJ, calories, kcal, watt-hours, and foot-pounds.
Nickels to Dollars Calculator
Convert any number of nickels to dollars and cents instantly. Also shows equivalent pennies, dimes and quarters.
nm to m Conversion Calculator
Convert nanometres to metres (and metres to nanometres) instantly. Shows µm, mm, cm, and Å equivalents with a visible-light context scale.
Number to Billion Converter
Convert any number to billions, millions, trillions and thousands instantly — with scientific notation and a full step-by-step breakdown.
Number to Million Calculator
Convert any number to millions, billions, trillions and thousands instantly — just divide by 1,000,000.
Ounce to kg Converter
Convert ounces to kilograms instantly. Supports both avoirdupois oz (everyday weight) and troy oz (precious metals). Also shows grams, pounds and stones.
Ounces to Cups Calculator
Convert US fluid ounces to cups, tablespoons, teaspoons, pints, quarts and millilitres instantly.
Ounces to Grams Converter
Convert ounces (avoirdupois) to grams, kilograms, milligrams and pounds with exact conversion factors.
Ounces to Pounds Converter
Convert ounces to pounds, kilograms, grams and stones using exact avoirdupois conversion factors.
Oz to cc Converter
Convert fluid ounces to cubic centimetres (cc) for medical, lab, and cooking use — cc equals mL exactly.
Oz to mL Converter
Convert fluid ounces to millilitres (or mL to fl oz) for US and UK imperial measurements instantly.
Pa to PSI Converter
Convert pressure between Pascals, PSI, kPa, MPa, bar, and atmospheres instantly.
Pascal Conversion Calculator
Convert pascals (Pa) to kPa, MPa, bar, atm, psi, Torr, mmHg, inHg, hPa and more — or convert any pressure unit to pascals instantly.
Pennies to Dollars Calculator
Convert any number of US pennies (cents) to dollars instantly. Shows whole dollars, remaining cents, and the decimal dollar amount.
Pint to Pound Calculator
Convert US or Imperial pints to pounds (lb) for water, milk, oil, honey and more — using each liquid's density.
Pints to Cups Converter
Convert pints to cups instantly — US or Imperial. 1 pint = 2 cups in both systems; also shows fluid ounces, tablespoons, teaspoons, quarts and gallons.
Pints to Gallons Converter
Convert pints to gallons — US or Imperial. 8 pints = 1 gallon in both systems; also converts to quarts, cups, fluid ounces and litres.
Pixels to Inches Calculator
Convert pixels to inches, centimetres and millimetres using a resolution (DPI). Works for screens, print and graphic design.
Pounds to Grams Calculator
Convert pounds to grams, kilograms, ounces, milligrams and stones. Uses the exact avoirdupois definition: 1 lb = 453.59237 g.
Pounds to Grams Calculator (lbs to g)
Convert pounds to grams instantly using the exact factor 1 lb = 453.59237 g. Also converts to kg, mg, oz and stones.
Pounds to lbs Calculator
Convert kilograms, grams, ounces, stones or metric tons to pounds (lbs). Explains that "lb" and "lbs" are both abbreviations for pounds.
Pounds to Ounces Converter
Convert pounds to ounces instantly. Also shows grams, kilograms and stones. Uses the exact 1 lb = 16 oz (avoirdupois) definition.
Pounds to Stone Calculator
Convert pounds to stones and pounds. Shows whole stones, remaining pounds and ounces, kilograms and total ounces. 1 stone = 14 lb.
Power Conversion Calculator
Convert power between watts, kilowatts, megawatts, mechanical and metric horsepower, BTU/h, ft-lbf/s, cal/s and kcal/h. All results at once.
PPM to mg/L Converter
Convert parts per million (ppm) to mg/L, μg/L, ng/L, and g/L with optional density correction for non-water solutions.
Pressure Unit Conversion Calculator
Convert pressure between Pa, kPa, MPa, hPa, bar, psi, atm, mmHg, Torr and inHg — with all equivalent values shown at once.
PSI to ATM Conversion Calculator
Convert psi (pounds per square inch) to atm (standard atmospheres) — plus bar, kPa and mmHg. 1 atm = 14.6959 psi.
PSI to GPM Calculator
Calculate water flow rate (GPM) from pressure (PSI) and orifice diameter using the standard discharge formula Q = 29.84 × Cd × d² × √P.
PSI to Inches of Water Conversion Calculator
Convert psi (pounds per square inch) to inches of water column (inH₂O) — plus mmH₂O, Pa and inHg. 1 psi = 27.6807 inH₂O.
PSIG to PSIA Conversion Calculator
Convert PSIG (gauge pressure) to PSIA (absolute pressure) by adding atmospheric pressure. Adjusts for altitude using the ISA model.
PX to EM Calculator
Convert pixel values to em, rem, pt, and % CSS units instantly. Set a custom parent or root font size for accurate results in any component.
Quantity Converter
Convert between counting units: units, pairs, dozens, baker's dozens, scores, gross and great gross — all equivalents shown at once.
Quarters to Dollars Calculator
Convert any number of US quarters (25¢ coins) to dollars and cents. Shows whole dollars, leftover cents, and equivalent dimes and nickels.
Quarts to Cups Converter
Convert US quarts to cups instantly — plus pints, fluid ounces, milliliters and liters. 1 quart = 4 cups.
Quarts to Gallons Converter
Convert US quarts to gallons in one step — plus pints, fluid ounces and liters. 4 quarts = 1 gallon.
Quarts to Pounds Calculator
Convert US quarts to pounds for water, milk, oil, honey, flour, sugar and more. Volume × density = mass.
Radioactivity Converter
Convert radioactivity between becquerel, curie, millicurie, microcurie, nanocurie, picocurie and rutherford — instant, accurate unit conversion.
RMS to Watts Calculator
Convert RMS voltage and RMS current to real power in watts (W), apparent power (VA) and reactive power (VAR) for AC circuits.
Scale Conversion Calculator
Convert between real-world dimensions and scaled model or drawing dimensions for any 1:X scale ratio.
Seconds Converter
Convert any number of seconds to minutes, hours, days, weeks, months, years, milliseconds and microseconds instantly.
Seconds to Days Converter
Convert seconds to days instantly — see whole days plus the remaining hours, minutes and seconds, with hours, minutes and weeks also shown.
Seconds to Hours Converter
Convert seconds to hours instantly — get the exact decimal result plus the H:M:S breakdown.
Seconds to Minutes Converter
Convert seconds to minutes instantly — get the exact decimal minutes and the M:S breakdown.
Seconds to Years Converter
Convert any number of seconds to years — with a full Y:D:H:M:S breakdown and total days, hours, and minutes.
Square Centimeters to Square Millimeters Converter (cm² → mm²)
Convert square centimetres to square millimetres instantly. 1 cm² = 100 mm² because area scales as the square of the linear factor (1 cm = 10 mm).
Square Feet Converter
Convert square feet to square metres, square inches, yards, acres, hectares, km², and square miles.
Square Feet to Acres Converter
Convert square feet to acres (and hectares, m², sq yards, sq miles) instantly. 1 acre = 43,560 sq ft.
Square Inches to Square Feet Converter
Convert square inches to square feet instantly. Also shows the equivalent in square centimetres, square metres, and square yards.
Square Meter Converter
Convert square metres to square feet, square inches, square yards, square centimetres, hectares, acres, square kilometres and square miles instantly.
Square Meters to Square Feet Converter
Convert square metres to square feet (or feet to metres) instantly. Bidirectional — fill either box. Also shows square yards and square inches.
Square Miles to Square Kilometres Converter
Convert square miles to square kilometres (or km² to mi²) instantly. Bidirectional. Also shows hectares, acres and square metres.
Square Yard Converter
Convert square yards to square meters, square feet, acres, hectares and back — with an instant full conversion table.
Stone to kg Calculator (st & lb → kg)
Convert stones and pounds to kilograms. Uses the exact definition: 1 stone = 14 lb = 6.35029318 kg.
Stone to Pounds Calculator (st → lbs)
Convert stones and pounds to total pounds, kilograms and ounces. 1 stone = 14 lbs exactly — no rounding.
Tablespoons to Grams Calculator
Convert US tablespoons to grams for flour, sugar, butter, honey, salt and 20 other common ingredients using ingredient-specific densities.
Tablespoons to mL Calculator
Convert tablespoons to millilitres for US (14.79 mL), metric (15 mL), UK (17.76 mL) and Australian (20 mL) tablespoon standards.
Teaspoons to Grams Calculator
Convert teaspoons to grams for sugar, salt, flour, butter, honey and 14 other common cooking and baking ingredients.
Time Unit Converter
Convert any time duration between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years instantly.
Torque to Horsepower Calculator
Convert engine torque and RPM to horsepower, kilowatts and metric PS — enter Nm or lb-ft plus engine speed.
Torr to atm Calculator
Convert Torr to atmospheres (atm) and vice versa — plus Pa, kPa, bar and psi. 1 atm = 760 Torr exactly.
tsp to mL Converter
Convert teaspoons to millilitres for US, Metric/Australian or UK measurements. 1 US tsp = 4.929 mL, 1 metric tsp = 5 mL, 1 UK tsp ≈ 5.919 mL.
Uppercase to Lowercase Converter
Convert any text from uppercase (or mixed case) to all lowercase instantly, with a character-type breakdown.
Volume Conversion Calculator
Convert volume between 20 metric and US/imperial units — liters, gallons, cups, fluid ounces, cubic feet and more.
Weeks to Months Calculator
Convert weeks to months, days and years using the average Gregorian month — shows whole months plus the remaining fractional part.
Weeks to Years Converter
Convert weeks to years, months, days, hours and minutes. Uses the Gregorian average of 52.1775 weeks per year.
Yard to Meter Conversion Calculator
Convert yards to meters, centimeters, millimeters, kilometers, feet and inches instantly using the exact 1959 international yard definition.
Yard to Mile Converter
Convert yards to miles, furlongs, feet, meters and kilometers. 1 mile = 1,760 yards exactly (1959 international definition).
Yards to Meters Calculator
Convert yards to meters or meters to yards instantly. 1 yard = 0.9144 m (exact). Includes feet, cm and km. Switch direction with one click.
Years to Decades Calculator
Convert years to decades, centuries, millennia, months, weeks, days and hours instantly. Supports decimal year inputs.