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Coefficient of Variation Calculator

Calculate the coefficient of variation from mean and SD.

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How it works

Fill in the 2 fields above and Coefficient of Variation Calculator calculates the result instantly, recalculating as you change any value. It applies the formula CV = σ / μ × 100. The math runs locally in your browser — nothing is sent to a server.

Formula

CV = σ / μ × 100

Examples

  • Mean 50, Standard deviation 10 → CV: 20%

Frequently asked questions

How do I use the Coefficient of Variation Calculator?

Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.

What formula does the Coefficient of Variation Calculator use?

It uses CV = σ / μ × 100. The calculation is performed in your browser using standard, well-established math for accurate results.

Is my data private?

Yes. The Coefficient of Variation Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.

Is the Coefficient of Variation Calculator free?

Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on math and the rest of the platform, you can use it as often as you like.

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