A/B Test Calculator

Calculate statistical significance and sample sizes for your A/B tests.

Visitors

Conversions

Visitors

Conversions

Confidence Level

Minimum Detectable Effect

Statistical Significance

P-Value

0.023

Statistically significant

Confidence Level

95%

Standard confidence

Sample Size

1,200

Required per variant

Conversion Rate Improvement

+15.4%

Statistically significant

Revenue Impact

+$2,450

Projected monthly

Based on your current traffic, we recommend running this test for 14 days to reach statistical significance.

This tool helps you calculate statistical significance and sample sizes for your A/B tests. Features: