Free tools
Free funnel calculators
Calculators you can use right now. No sign-up and no upload - everything runs in your browser.
- Funnel Conversion CalculatorEnter the people at each step to get step conversion, overall conversion, and the weakest step.
- A/B Test Sample Size CalculatorFind the visitors you need per variant from baseline rate, minimum detectable effect, significance, and power.
- Cohort Retention CalculatorTurn weekly signup cohorts and returning users into a retention table with averages from finished weeks only.
One table for every product's funnel
funnellog isn't for sale. It's an operator-only tool that compares every product's funnel with the same rules.