Math Calculators | Quick Conversion Tools

Percentage Calculator Percent of, percent change, and reverse percent.

Fraction Calculator Add, subtract, multiply, divide, and simplify fractions.

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Average Calculator Mean of a list of numbers (comma or space separated).

Ratio Calculator Simplify ratios and scale them up or down.

Scientific Notation Convert between standard form and scientific notation.

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Rounding Calculator Round to decimals, whole numbers, tens, hundreds, and more.

About These Math Calculators

This category includes everyday math tools built to be fast, clean, and easy to use. Each calculator is manual (you click Calculate) so visitors don’t get hit with surprise results while typing.

Start with the calculators above and check back as more math tools go live.