Math
Math Calculators
Use practical math calculators for percentages, fractions, ratios, averages, statistics, area, volume and other everyday numerical problems.
Popular Math Calculators
Based on usage & relevanceAll Math Calculators
9 toolsSolve common percentage problems including percent-of, percentage increase or decrease, percentage change and reverse percentage.
Open calculator → Fraction CalculatorAdd, subtract, multiply or divide fractions and return a simplified fraction, decimal and mixed number.
Open calculator → Average CalculatorFind the average, median, sum, range, minimum, maximum and count for a list of numbers.
Open calculator → Percentage Change CalculatorCalculate percentage increase or decrease between an original value and a new value.
Open calculator → Ratio CalculatorSimplify ratios, convert a ratio to a decimal or percentage and scale it to an equivalent ratio.
Open calculator → Area CalculatorCalculate the area of rectangles, squares, circles and triangles with common unit conversions.
Open calculator → Volume CalculatorCalculate volume for boxes, cylinders, spheres and cones with metric and imperial conversions.
Open calculator → Standard Deviation CalculatorCalculate population or sample standard deviation and variance from a data set.
Open calculator → Mean Median Mode CalculatorCalculate mean, median, mode, range and count for a data set.
Open calculator →Using Math Calculators
Choose the calculator that matches the type of problem. Percentage and ratio tools are useful for proportions, while average and statistics tools summarize data and area or volume tools handle measurement problems.
Enter the requested values carefully, keep units consistent and review the formula, assumptions and supporting result details shown by the selected calculator.