Customer satisfaction (CSAT) calculator
Percent satisfied and average score from 1–5 survey responses. It opens on a worked example — change any number. Nothing you enter is saved.
CSAT (percent satisfied, 4 or 5)
80%
- Average score (out of 5)
- 4.14
- Total responses
- 250
The formula
- CSAT (percent satisfied) = (number of 4 and 5 responses ÷ total responses) × 100
- CSAT (average) = sum of all scores ÷ number of responses
How to read it
Report which version you use — percent satisfied and average score aren't interchangeable — and keep the question wording and scale the same over time.
Definitions, a full worked example and common pitfalls are in our guide: CSAT and Customer Effort Score: Measuring Satisfaction and Ease.
General information, not accounting, tax or financial advice. Definitions vary between companies — match the formula to how your own systems count.