About KPICalc

KPICalc is a collection of free calculators for the metrics that marketers, founders and developers actually argue about: ROI, ROAS, CAC, LTV, A/B test significance and more.

Every tool runs entirely in your browser — nothing is uploaded, stored or tracked by us. No signup, no paywall, no spreadsheet required.

New calculators are added regularly. If a metric you need is missing, it is probably already on the roadmap.