Exponent Calculator

Use this free exponent calculator to raise any base to any power, including negative and decimal exponents.

How the exponent calculator works

The result is bⁿ: the base multiplied by itself n times. Negative exponents give reciprocals (b⁻ⁿ = 1 ÷ bⁿ) and fractional exponents give roots.

Frequently asked questions

What is a negative exponent?

It means “one divided by”. For example 2⁻³ = 1 ÷ 2³ = 0.125.

What does a negative exponent mean?

For a nonzero base, a negative exponent represents the reciprocal of the corresponding positive power.

What is any nonzero number raised to the zero power?

Any nonzero number raised to the zero power equals 1. Zero to the zero power is treated differently depending on the mathematical context.

Results are estimates for general information only. They are not a substitute for professional advice where applicable. Found a mistake? Report an error.