11 tools
Acceleration Calculator
Calculate acceleration from the change in velocity over time using a = (vf − vi) / t. Get results in m/s² and in multiples of g.
Density Calculator
Calculate density from mass and volume using density = mass / volume. Get instant results in kg/m³ and g/cm³ for solids, liquids and gases.
Force Calculator (F=ma)
Calculate force from mass and acceleration using Newton's second law, F = m × a. Get instant results in newtons, kilonewtons and kilogram-force.
Kinetic Energy Calculator
Calculate the kinetic energy of a moving object from its mass and velocity using KE = ½mv². Results in joules, kilojoules and kilocalories.
Ohm's Law Calculator
Calculate voltage, current, resistance and power using Ohm's law — enter any two values.
Potential Energy Calculator
Calculate gravitational potential energy from mass and height using PE = m·g·h with g = 9.80665 m/s². Results in joules and kilojoules.
Power Calculator
Calculate power as work divided by time using P = W / t. Get instant results in watts, kilowatts and mechanical horsepower.
Pressure Calculator
Calculate pressure from force and area using P = F / A. Get instant results in pascals, kilopascals, psi and bar.
Velocity Calculator
Calculate average velocity from distance and time using v = d / t. Get instant results in metres per second, kilometres per hour and miles per hour.
Wavelength Calculator
Calculate wavelength from wave speed and frequency using λ = v / f. Works for light, sound and radio waves, with results in metres, centimetres and nanometres.
Work Calculator
Calculate mechanical work from force, distance and the angle between them using W = F·d·cos(θ). Results in joules, kilojoules and kilocalories.
