Coefficient of Variation Calculator
Compare spread between datasets as standard deviation divided by the mean.
Quick answer: Coefficient of Variation Calculator: Compare spread between datasets as standard deviation divided by the mean. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Coefficient of Variation Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
Formula
CV = standard deviation / mean x 100.
Worked example
For 12, 15, 18, 20, 25, 30 the mean is 20 and the standard deviation about 6.6, so CV is about 33 percent.
Frequently asked questions
What is it?
Standard deviation divided by the mean, shown as a percent.
Why use it?
It compares variation between data sets with different units or sizes.
Is the Coefficient of Variation Calculator free?
Yes. It is free, needs no signup and works on any device.