Sample Size
Sample Size Calculator for A/B Testing
As of May 2026, Sample Size has — users and a 5.00/5 rating from 1 reviews in the Productivity category.
Usersno change0%
—
—
Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
3.0
Manifest V3
History
2 snapshotsTracking since Apr 23, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 23, 2026 | 12 | 5.00 | 1 | 3.0 |
| May 18, 2026 | 13 | 5.00 | 1 | 3.0 |
| Now | — | 5.00 | 1 | 3.0 |
Permissions & access
- Permissions
- None declared
- Host access
- None declared
Screenshots
About
Sample Size is designed to help you quickly calculate and chart the required sample size for your A/B tests. By inputting key metrics like baseline conversion rate, minimum detectable effect, statistical power, and significance level, this tool provides you with an accurate estimate of the number of subjects needed per variation to achieve statistically significant results. Developed by Amanda Treutler with the help of Evan Miller
Technical
- Version
- 3.0
- Manifest
- V3
- Size
- 298KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- liibkodidconnkfecofhjbhkbdpmaick
- Developer ID
- uc76821f19a553b7dbb213e6cf6a288c5
- Developer Email
- [email protected]
- Created
- Sep 3, 2024
- Last Updated (Store)
- Mar 13, 2025
- Last Scraped
- May 18, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified May 18, 2026.