Coefficient of Variation Calculator

Compare spread relative to the mean using sample standard deviation divided by the absolute mean.

Mode

Raw data

—Coefficient of variation

—Mean

—Sample SD

—n

CV = s / |mean| × 100%CV is undefined when the mean is zero.

How to use this Coefficient of Variation Calculator

Calculate coefficient of variation from raw data or summary statistics. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.