Statistics Calculators

Statistics calculators summarise a list of numbers: where its centre is, how it is spread and what is typical. Each one shows the data, the formula and the working.

Which calculator do you need?

Calculator	Use it when
Mean, Median, Mode Calculator	You want the centre of a data set, or need to know whether outliers distort the average.
Standard Deviation Calculator	You want to know how spread out a data set is, as a standard deviation or variance.

Mean, Median, Mode CalculatorGet the mean, median, mode and range of a list of numbers, with the sorted data shown.

Standard Deviation CalculatorGet the sample and population standard deviation and variance of a list, with every step shown.

Every statistics calculator shows the formula and the working, and is checked against hand-worked examples. See how we verify our maths.