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Percentage Calculator
Find a percentage of a number, what percent one number is of another, or the whole from a part.
Exponent Calculator
Raise any number to a power, including negative and fractional exponents.
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How to use this calculator
Enter your values. The result updates as you type; press Calculate to confirm and jump to the result on mobile. Use Share to send the calculator with your result.
Exponent rules
aᵐ × aⁿ = aᵐ⁺ⁿ (aᵐ)ⁿ = aᵐⁿ
a⁻ⁿ = 1 ÷ aⁿ a^(1/n) = ⁿ√a
a⁰ = 1 (a ≠ 0)
Example: 2¹⁰ = 1,024; 9^0.5 = 3; 2⁻³ = 0.125.
Frequently asked questions
What is 0 to the power 0?
It’s usually defined as 1 in algebra and programming, though it’s left undefined in some contexts.
About this tool
- Written by
- [Author: to be assigned]
- Reviewed by
- Formula tests passed · human review pending
- Last updated
- 31 Oct 2026
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