Exponent Calculator
Use this free Exponent Calculator to calculate your Exponent result instantly and accurately.
Power
Result
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What is an Exponent Calculator?
An exponent calculator computes base numbers raised to any power. It handles positive, negative, and fractional exponents, making it useful for exponential growth, scientific notation, and algebraic calculations.
How to calculate exponents manually (the formula)
bn means multiply b by itself n times. For example, 210 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 1024. b−n = 1 / bn. b0 = 1 for any b ≠ 0.
Example calculation
210 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 1024. 2−3 = 1 / 23 = 1 / 8 = 0.125.
Common mistakes
- Confusing exponentiation with multiplication — 23 is 2 × 2 × 2 = 8, not 2 × 3 = 6.
- Forgetting the zero exponent rule — Any non-zero number to the power of 0 equals 1, not 0.
- Misapplying negative exponents — A negative exponent gives a reciprocal (1 / bn), not a negative result.
Frequently asked questions
What is an exponent?
Tells how many times to multiply the base by itself.
How do exponents work with negative numbers?
A negative exponent means reciprocal: 1 / bn.
What is 10 to the power of 0?
1. Any non-zero number to the power of 0 is 1.
What is a fractional exponent?
Represents a root: x1/2 = √x.
What is scientific notation?
a × 10n where 1 ≤ a < 10.
What is the exponent key on a calculator?
Often labeled ^ or xy.