Exponent Calculator
Raise a base to any exponent, including negative and fractional powers.
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Formula
About this calculator
Exponentiation means multiplying a base by itself a number of times equal to the exponent. For example, 2⁵ = 2 × 2 × 2 × 2 × 2 = 32. Negative exponents give reciprocals (a⁻ⁿ = 1/aⁿ) and fractional exponents give roots (a^(1/n) is the nth root of a).
This calculator evaluates the power using high-precision floating-point arithmetic. Very large results may exceed the range of representable numbers and will be flagged as out of range.
Frequently asked questions
A negative exponent represents a reciprocal: a⁻ⁿ equals 1 divided by aⁿ. For example, 2⁻³ = 1/8 = 0.125.
Any nonzero number raised to the power 0 equals 1. The expression 0⁰ is generally treated as 1 by most calculators.
Yes. A fractional exponent represents a root, so 9^(1/2) equals the square root of 9, which is 3.
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