Analytics Tool
A/B Test Significance Calculator
Calculate statistical significance of your A/B tests. Enter visitors and conversions for each variant to see if your results are reliable at 95% confidence.
100% free β no account needed
Variant A (Control)
Variant B (Test)
Data-Driven Decisions
Know if your A/B test results are statistically significant
Statistical Significance
95% confidence level testing using a two-proportion z-test.
P-Value
See the exact p-value and whether it's below the 0.05 threshold.
Relative Uplift
Calculate the percentage improvement of variant B over variant A.
Sample Size
Get minimum sample size recommendations for reliable results.
FAQ
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A/B test your social media strategy with AdaptlyPost.