# SaaS A/B Test Sample Size Calculator

Site: https://trial-to-paid-conversion-sample-size-calculator.vercel.app/
Source: https://github.com/Turner-Levey/trial-to-paid-conversion-sample-size-calculator
Preview image: https://trial-to-paid-conversion-sample-size-calculator.vercel.app/og.svg
Tiny Tool Town listing: https://www.tinytooltown.com/tools/trial-to-paid-conversion-sample-size-calculator/
No-Login pending listing: https://nologin.tools/tool/trial-to-paid-conversion-sample-size-calculator-vercel-app/
No-Login badge status: https://nologin.tools/badge/trial-to-paid-conversion-sample-size-calculator-vercel-app/
License: MIT
Maintainer: Turner Levey
IndexNow key file: https://trial-to-paid-conversion-sample-size-calculator.vercel.app/ae5f24b9dda9ad3ae18484a58dd64720.txt

## Summary

Free no-signup, no-tracking, browser-only SaaS A/B test sample size calculator for trial-to-paid conversion planning. It estimates A/B test enrollment needs, expected paid conversions, readout timing after trial lag, and single-rate estimate sample size within a selected margin of error.

## Pages

- [SaaS A/B Test Sample Size Calculator](https://trial-to-paid-conversion-sample-size-calculator.vercel.app/): Main browser worksheet for trial-to-paid conversion sample-size planning with Markdown and CSV exports.
- [Tiny Tool Town listing](https://www.tinytooltown.com/tools/trial-to-paid-conversion-sample-size-calculator/): Public directory listing for the standalone calculator.
- [No-Login pending listing](https://nologin.tools/tool/trial-to-paid-conversion-sample-size-calculator-vercel-app/): Public No-Login Tools route in pending-review state.
- [No-Login badge status](https://nologin.tools/badge/trial-to-paid-conversion-sample-size-calculator-vercel-app/): Public badge route in pending-verification state.

## Runtime And Privacy

- Runs fully in the browser.
- No cookies, analytics, uploads, external scripts, browser storage, or runtime network calls.
- Exports are generated locally.

## Boundaries

Statistical planning worksheet only. Not legal, financial, tax, accounting, investment, or growth advice.