Coefficient of Variation Calculator

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Calculates the ratio of the standard deviation to the mean, providing a relative measure of dispersion.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Standard Deviation and Mean in the units shown.

Step 2

Read Coefficient of Variation and Coefficient of Variation (%) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Standard Deviation: 5; Mean: 100

Coefficient of Variation: 0.05; Coefficient of Variation (%): 5 %

Standard Deviation: 10; Mean: 50

Coefficient of Variation: 0.2; Coefficient of Variation (%): 20 %

Standard Deviation: 20; Mean: 25

Coefficient of Variation: 0.8; Coefficient of Variation (%): 80 %

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