A/B & Split Test Duration Calculator

This free A/B test duration and sample size calculator will show you how long will you have to run your experiments for, to get statistically significant results. This calculator will help you avoid false positives and increase the validity of your A/B testing.

How long should you run your A/B Test?

Original conversion rate (%)

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Average visitors to the page per day

Number of variations (including Original)

Expected uplift in conversion rate

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CALCULATE TEST DURATION & SAMPLE SIZE

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Chance to Beat Control

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