Trial-to-Paid Conversion Sample Size Calculator
Estimate SaaS trial-to-paid conversion sample size, expected paid conversions, and readout timing locally.
A free browser-only utility for SaaS founders and growth teams planning trial-to-paid A/B tests or single-rate conversion estimates. It calculates required qualified trials, baseline and variant arm sizes, expected paid conversions, enrollment weeks, calendar read including trial lag, and local Markdown/CSV exports. It is static, local-first, and does not require signup.