Free tools
Free calculators for survey results
Score NPS, CSAT, CES and Likert questions, work out how many responses you need and how precise they are, check an A/B test, and see your response rate and how long a survey takes. Everything runs in your browser, and nothing you type is sent anywhere.
NPS calculatorWork out your Net Promoter Score from promoters, passives and detractors.
CSAT calculatorGet your satisfaction score from 5 or 7 point ratings, typed as counts or pasted.
CES calculatorGet your average customer effort score on a 5 or 7 point scale.
Likert scale calculatorScore a Likert scale question: agreement, average and net agreement.
Sample size calculatorFind how many responses you need for the margin of error you want.
Margin of error calculatorSee how precise the responses you already have are.
A/B test calculatorCheck whether two variants of a survey really differ.
Response rate calculatorWork out your survey response rate and how many people to invite.
Survey length calculatorEstimate how long your survey takes to answer.
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