Math Calculators

Percentage Calculator

Calculate percentages, percentage difference and percentage change instantly.

Percentage Change Calculator

Calculate percentage increase or decrease between two values, with the absolute change.

Fraction Calculator

Add, subtract, multiply and divide fractions, with simplification and mixed numbers.

Root Calculator

Calculate square roots, cube roots and any n-th root, with perfect-root detection.

Exponent Calculator

Raise any number to any power, including fractional and negative exponents.

Logarithm Calculator

Calculate logarithms in any base — common, natural and binary logs.

Average Calculator

Find the mean, median, mode, sum and range of a list of numbers instantly.

Ratio Calculator

Simplify ratios or solve a:b = c:d for the missing value.

Scientific Notation Calculator

Convert numbers to and from scientific notation, with full arithmetic.