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Exponent Calculator

Calculate any number raised to any power — positive, negative, or fractional. Also calculates roots and shows the full working.

Base2
base
Exponent (power)10
exp
Result
Scientific Notation
Expression
Log₁₀ of result
ln (natural log) of result
Frequently Asked Questions
What is an exponent?

Shows how many times to multiply the base by itself. Two to the power three equals 2 times 2 times 2 equals 8.

What does a negative exponent mean?

The reciprocal. x to the power -n equals 1 divided by x to the n. For example: 2 to the -3 equals 1/8 equals 0.125.

What does a fractional exponent mean?

A root. x to the 1/2 equals the square root of x. x to the 1/3 equals the cube root of x.

What is scientific notation?

A number expressed as a decimal times a power of 10. Useful for very large or very small numbers.

Is 2 to the power 10 the same as 10 to the power 2?

No. 2 to the power 10 equals 1024. 10 to the power 2 equals 100. Exponentiation is not commutative.