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Math Calculators

Free, easy-to-use tools with instant results and clear explanations.

Calculate percentages, percentage change and percentage of a number.

Add, subtract, multiply or divide fractions.

Perform basic arithmetic with decimal numbers.

Evaluate common scientific expressions.

Simplify and compare two numbers as a ratio.

Calculate the arithmetic mean of a list of numbers.

Calculate the probability of an event from favorable and total outcomes.

Calculate mean, median, minimum, maximum and range.

Calculate a number raised to a power.

Calculate the square root of a non-negative number.

Calculate common geometry measurements such as circle area.