Math
Calculators and number tools for everyday math problems.
- Fraction CalculatorAdd, subtract, multiply, or divide fractions — plus a simplify mode. Results in lowest terms.
- Number Base ConverterConvert live between binary, octal, decimal, and hex.
- Percentage CalculatorCalculate percentages, percent-of values, and percent change.
- Prime Factorization CalculatorFactor any number up to a trillion into primes, with a built-in prime checker.
- Ratio CalculatorSimplify ratios, scale them, and solve proportions.
- Scientific CalculatorTrig, log, exponents, memory — with keyboard support.
- Statistics CalculatorPaste a list of numbers → mean, median, mode, range, variance, and standard deviation.
- Unit ConverterConvert length, weight, temperature, speed, volume, and area.