CALCULATOR COLLECTION

Math & percentages

Percentages, averages, ratios and the math behind everyday decisions. Every tool is free to use, works without an account and can save its results locally.

Percentage CalculatorFind a percentage of a number, calculate what percentage one number is of another, add or subtract percentages, work out changes and reverse percentages.Percentage ChangeCompare a starting and ending value. If the starting value is zero, a percentage change is undefined.Average & MedianAverage, median, minimum and maximum of a list. Use commas, spaces or new lines to separate numbers. Decimal numbers use a dot.Ratio & ProportionSolve a simple proportion with a missing value. Useful for recipes, map scales and proportional quantities.Fraction CalculatorAdd, subtract, multiply or divide two fractions. Use whole numbers for numerators and denominators. Results are reduced to lowest terms.

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