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Use exponent rules to evaluate powers, roots, and reciprocal exponents in one place.
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Input the base number and the exponent (power).
View the result instantly, including scientific notation for large values when needed.
Use negative exponents for reciprocals and fractional exponents for roots where supported.
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a^b means a multiplied by itself b times for positive integer exponents. Example: 2^3 = 2 × 2 × 2 = 8.
A negative exponent gives the reciprocal: a^-n = 1 / a^n. Example: 2^-2 = 1/4 = 0.25.
a^(m/n) is the n-th root of a, raised to the m-th power. Example: 9^(1/2) = √9 = 3.
More free tools for the same workflow.
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Quick examples
Expression
2¹⁰
Result
1024
1024
Step 1 – Repeated multiplication
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
Step 2 – Final result
2¹⁰ = 1024
Shareable link: https://everydaytools.pro/exponent-calculator?base=2&exp=10
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