Exponent Calculator
Calculate any number raised to any power. Handles positive, negative, and fractional exponents — including square roots as the 0.5 power.
Part of our Math & Percentage Calculators collection.
Exponent Calculator
Free online calculator
Use 0.5 for square root, negative for reciprocal
Results update automatically as you type
How to Use This Calculator
- 1
Enter the base.
- 2
Enter the exponent.
- 3
See the result.
Exponent Rules
x^y = x multiplied by itself y times 2^10 = 1,024 | 2^-3 = 0.125 | 9^0.5 = 3 | x^0 = 1
Example Calculation
Example: 2^10
Inputs
base: 2exponent: 10
Result
1,024
2 multiplied by itself 10 times = 1,024.
Frequently Asked Questions
How do I calculate a square root?
Use 0.5 as the exponent. 9^0.5 = 3 (square root of 9).
What does a negative exponent mean?
x^-y = 1/(x^y). Example: 2^-3 = 1/8 = 0.125.