What does a negative exponent mean?

A negative exponent takes the reciprocal. For example, 2^-3 is 1 divided by 2^3, which equals 0.125.

What is any non-zero number to the power of zero?

Any non-zero number raised to the power of zero equals 1.

Can the exponent be a decimal?

Yes. A decimal exponent is supported, although some negative-base decimal powers do not have a real-number result.

Math Calculators

Exponent Calculator

Raise any base to a positive, negative or decimal exponent.

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Base^Exponent

2⁸

256

About the Exponent Calculator

An exponent tells you how many times a base is used as a factor. For example, 2 to the power of 8 equals 256.

This calculator supports positive and negative exponents, zero powers and decimal exponents. Negative exponents produce reciprocals, while decimal exponents can represent roots.

Results update as you type and are calculated locally in your browser, with scientific notation used automatically for very large or very small answers.

Key features

Positive, negative and decimal exponents
Automatic scientific notation
Instant live results
Private browser-based calculation

How to use

1Enter the base number.
2Enter the exponent or power.
3Read the result as it updates automatically.

Examples

Raise to a power

Input: 2 ^ 10

Output: 1024

2 is multiplied by itself 10 times.

Frequently asked questions

What does a negative exponent mean?: A negative exponent takes the reciprocal. For example, 2^-3 is 1 divided by 2^3, which equals 0.125.
What is any non-zero number to the power of zero?: Any non-zero number raised to the power of zero equals 1.
Can the exponent be a decimal?: Yes. A decimal exponent is supported, although some negative-base decimal powers do not have a real-number result.

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