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All Math Calculators

Free math calculators for percentages, fractions, ratios, averages, and scientific notation.

5 free calculators

Average Calculator — Mean, Median, Mode & Range

Calculate the mean, median, mode, and range of any set of numbers instantly. Supports datasets of any size with step-by-step results.

Calculate fractions instantly. Add, subtract, multiply, and divide fractions with step-by-step solutions. Simplifies results automatically.

Four percentage calculators in one: find % of a number, calculate % change, determine what % X is of Y, or adjust a value by any percentage. Free.

Simplify ratios, solve proportions, and scale recipes or measurements. The fastest ratio calculator online with step-by-step solutions.

Convert numbers to and from scientific notation. Add, subtract, multiply and divide numbers in scientific notation instantly.