A/B Test Significance

Enter your test data to check if results are statistically significant at 95% confidence. Includes confidence intervals.

100% Free Tool

Enter Test Data

Control (A)

3.00%
Conversion Rate

Variant (B)

3.90%
Conversion Rate

Statistically Significant

Variant B outperforms Control A. You can be 95% confident this result is not due to chance.

+30.0%
Relative Uplift
97.2%
Confidence
2.19
Z-Score
0.028
P-Value

Visual Comparison

3.00%
Control (A)
3.90%
Variant (B)

Confidence Intervals (95%)

2.0%5.0%
Control
Variant

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