Scientific
Statistics Calculator
Standard deviation, variance and sum for any data set.
How this statistics calculator works
The statistics calculator takes the numbers you enter and applies a standard formula for this kind of calculation, showing the result instantly with no page reload. Standard deviation, variance and sum for any data set.
Everything runs client-side in JavaScript, so your inputs never leave your device — there's no server, no account and no tracking involved in getting your answer.
Frequently asked questions
This calculator uses the population standard deviation formula (dividing by n). For a sample standard deviation, you'd divide by n − 1 instead.