Free survey tools & calculators
Quick calculators and generators for planning and analyzing a study. They run entirely in your browser — nothing is sent anywhere.
NPS Calculator
Turn promoter, passive, and detractor counts into your Net Promoter Score.
Open tool 86%CSAT Calculator
Convert survey responses into a clear customer satisfaction percentage.
Open tool n=385Sample Size Calculator
Find exactly how many responses your survey needs to be statistically valid.
Open tool ±5%Margin of Error Calculator
See how precise your survey results really are, from sample size alone.
Open tool $/rAudience Pricing Calculator
Estimate the cost of reaching your exact target audience with a survey.
Open tool A·BA/B Test Significance Calculator
Check whether your A/B test result is real — or just random chance.
Open tool p<.05P-Value Calculator
Convert any Z-score into a p-value and a plain-English significance verdict.
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