# A/B test sample size calculator

## Calculate the sample size required for your next A/B test

**Existing conversion rate (%):** Your estimated existing conversion rate

Please enter a valid number between 0-100.

**Conversion rate improvement (%):** Minimum improvement you want to detect

Please enter a valid number between 0-100.

**Number of variations:** Number of your variations (main + variation)

Please enter a number higher than 0.

**TOTAL SAMPLE SIZE**

15200

### Transform your Webflow site with data-driven decisions

Create and A/B test different versions of your website to continuously discover the best performing versions that improve your conversions.

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