Math tools

Math Calculators

Choose a calculator for percentages, averages, ratios, fractions, powers, roots, rounding, and common number problems.

Calculate percentages, percentage change, and percent of a number.

Find the average of a list of numbers.

Simplify ratios and compare two values.

Add, subtract, multiply, or divide two fractions.

Round a number to decimal places or whole numbers.

Convert decimals into simplified fractions.

Convert fractions into decimal and percent form.

Raise a number to a selected power.

Find the square root of a number.

Convert large or small numbers into scientific notation.