Free online tools and survey calculatorsSmall tools.
Clearer next steps.
Make sense of your survey results, plan your next study, or share a little more easily. Pick a tool and get right to it.
CUSTOMER FEEDBACK
Listen well.
Turn the answers you have into something you can understand.
NPS calculator
Calculate your Net Promoter Score and see how promoters, passives, and detractors add up.
CSAT calculator
Turn customer satisfaction ratings into a clear percentage, with the scoring threshold in plain sight.
CES calculator
Measure how easy an experience felt, using a weighted customer effort score and an agreement breakdown.
Survey response rate calculator
See what share of your invitations became completed responses. Two counts, one useful starting point.
SURVEY RESEARCH
Plan with context.
Useful estimates, clear formulas, and assumptions that stay in view.
Sample size calculator
Plan how many completed survey responses to aim for, with your confidence level and margin of error built in.
Confidence interval calculator
Estimate an interval around a sample mean when the population standard deviation is known.
Statistical significance calculator
Compare two conversion rates with a two-sided, pooled two-proportion z-test—and see when that method is appropriate.
Chi-square calculator
Explore whether two categorical variables are associated, using a Pearson chi-square test of independence.