A/B test sample size calculator

Calculate the sample size required for your next A/B test

Existing conversion rate (%): Your estimated existing conversion rate

Please enter a valid number between 0-100.

Conversion rate improvement (%): Minimum improvement you want to detect

Please enter a valid number between 0-100.

Number of variations: Number of your variations (main + variation)

Please enter a number higher than 0.

TOTAL SAMPLE SIZE

15200

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