Calculate any base raised to any power, including negative, fractional, and scientific notation exponents.
Type the number being raised to a power. The base can be any positive or negative number, fraction, or decimal.
Type the power. Positive exponents multiply the base by itself N times. Negative exponents take the reciprocal. Fractional exponents give roots.
See the result, the math step by step, and the result in scientific notation for very large or very small numbers.
For related calculations, try our scientific calculator.
Cross-checked against authoritative formulas (IRS, NIST, ACSM) and updated for 2025/2026 tax years and rates.
No server roundtrip. All math runs in your browser so results appear the moment you finish typing.
We never collect, store, or transmit your inputs. Every calculation runs locally in your browser.
Each calculator includes the formula, plain-English explanation, and FAQs so you understand the result.
Estimates only. Calculator results are for educational and planning purposes — not professional advice. For binding decisions on taxes, investments, health, or legal matters, consult a qualified professional.
FAQ
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An exponent calculator is a free math tool that computes any base raised to any power, including negative and fractional exponents. Our exponent calculator handles scientific notation, square roots, cube roots, and nth roots. The exponent calculator is used in algebra, physics, finance (compound interest), and engineering.
How it works
Our exponent calculator lets you find the result of any base raised to any exponent, including negative and fractional powers.
Type the base number. The exponent calculator accepts any positive or negative number, including decimals and fractions. For square root, use 1/2 as the exponent; for cube root, use 1/3.
Type the power. The exponent calculator accepts positive, negative, zero, and fractional exponents. Scientific notation is supported (e.g. 1.5e-3). The exponent calculator computes the result with full precision.
The result shows the exact value in decimal and scientific notation, plus the steps for simple cases. The exponent calculator also shows the modular version (mod n) if needed. The share button creates a link with your inputs pre-filled.