A/B Test Sample Size Calculator A/B Test Sample Size Calculator Baseline Conversion Rate (%): Minimum Detectable Effect (%): Confidence Level: 90% 95% (Recommended) 99% Statistical Power: 80% (Recommended) 85% 90% Test Type: Two-tailed (Default) One-tailed Color Scheme: Blue Ocean Red Flame Green Forest Enter data to calculate sample size Download Results as PDF
