Statistics Calculator

Get the full summary of a data set: mean, median, mode, range, variance, standard deviation and quartiles.

The method behind this calculator

Paste your numbers and this calculator returns a complete statistical summary in one place β€” central tendency, spread and quartiles.

It’s the quick way to describe any data set.

Try it with these numbers

As an example, with a numbers of 4, 8, 15, 16, 23, 42, the calculator returns a mean of 18. Underneath, Median comes out at 15.5 and Mode at none. Change any field and every figure updates as you type.

Step by step

  1. Paste or type your numbers.
  2. Read the mean at the top.
  3. Review median, mode, spread and quartiles below.

Formula reference

mean, median, mode, range, sample variance and standard deviation, Q1 and Q3

Common questions

What does this calculate?
Everything at once: mean, median, mode, minimum, maximum, range, variance, standard deviation and the first and third quartiles.
Sample or population standard deviation?
This reports the sample standard deviation (dividing by nβˆ’1), common when your data is a sample.
What are quartiles?
Values splitting the sorted data into quarters β€” Q1 at 25% and Q3 at 75%, bracketing the middle half.