Marketing Tools
A/B Test Calculator
🔒 Runs in your browser
Check whether your A/B test result is statistically significant. Enter visitors and conversions for control and variant. Chi-squared test, instant.
Control (A)
Variant (B)
How to Calculate A/B Test Statistical Significance — Free (2026)
Check if your A/B test result is statistically significant in your browser. Enter visitors and conversions for each variant to get Z-score, p-value, and confidence level.