Free Rowform tool

Free CES Calculator

Calculate Customer Effort Score and the share of customers reporting a low-effort experience.

Rowform free toolPrivate · runs in your browser

How to Use This CES Calculator

Choose the rating scale used for the effort question.
Enter the response count for each rating.
Calculate the mean score and low-effort percentage.

What is Customer Effort Score?

CES measures how easy customers find a specific interaction. This calculator assumes higher ratings mean an easier, lower-effort experience, so check that your survey question uses the same direction.

The Formula

CES = Sum of rating values ÷ Total responses

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Frequently Asked Questions

What direction should the scale use?

This calculator expects higher scores to mean easier or lower effort. Reverse-coded questions should be recoded before entry.

When is CES most useful?

Use it immediately after support, onboarding, checkout, account changes, or other processes where friction matters.