Exponent Calculator
Calculate any base raised to any exponent. Supports negative and fractional powers.
This tool is for informational and educational purposes only. It is not a substitute for professional financial, medical, legal, or engineering advice. See Terms of Service.
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Request a ToolHow to Use the Exponent Calculator
Enter a base number and an exponent, and the calculator shows the result instantly. No buttons to click. Results update as you type.
- Enter the base. This is the number you want to raise to a power. It can be positive, negative, or a decimal.
- Enter the exponent. This is the power to raise the base to. Supports whole numbers, negatives, and fractions.
- Read the result. The answer appears immediately. Use Copy to grab it or Share to send a pre-filled link.
Common uses include calculating compound growth, powers of 2 for computing, and scientific calculations involving large or small numbers.
About Exponents
An exponent tells you how many times to multiply a number by itself. For example, 2^10 means multiply 2 by itself 10 times, giving 1,024. Negative exponents produce fractions: 2^-3 = 1/8. Fractional exponents represent roots: 8^(1/3) = 2, the cube root of 8.
This calculator handles all standard cases including zero as a base or exponent. The only undefined case is 0 raised to a negative power, since that would require dividing by zero. All calculations run entirely in your browser.
Frequently Asked Questions
What is a negative exponent?
A negative exponent means you take the reciprocal of the base raised to the positive exponent. For example, 2^-3 = 1/(2^3) = 1/8 = 0.125.
What is any number raised to the power of 0?
Any non-zero number raised to the power of 0 equals 1. This is a fundamental rule of exponents. For example, 5^0 = 1 and 100^0 = 1.
Can I use fractional exponents?
Yes. A fractional exponent represents a root. For example, x^(1/2) is the square root of x, and x^(1/3) is the cube root. Enter 0.5 for a square root or 0.333333 for a cube root.