Root Mean Square
STATISTICS & ALGEBRA
Root Mean Square
Find the RMS magnitude of a numeric list.
UNDERSTAND YOUR RESULT
How it works
Find the RMS magnitude of a numeric list.
THE CALCULATIONsqrt(mean(values²))
Using this calculator
Enter numbers. sqrt(mean(values²)).
What to keep in mind
Enter 1–1,000 finite numbers, separated by commas, spaces or line breaks. A sample variance needs at least two values. Quartiles use linear interpolation at index (n−1)p.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.