Customer Satisfaction Tracking Calculator

Confidence Intervals are the + / - figures, usually reported in opinion polls, as a means for understanding the accuracy of the results. Use the free tool below to help calculate how many questionnaires or surveys would need to be completed, when undertaking a Customer Satisfaction Survey. This tool is designed as a quick check for you to be confident that the responses you obtain represents your population.


Enter Population size:
Enter Sample size:
Calculated Margin of Error (95% confidence) ±