Free calculators and interactive tools from Experimento.
Free A/B test sample size calculator. Enter your baseline conversion rate and the smallest lift worth detecting to get the visitors per variation you need for a valid test.
Free A/B test significance calculator. Enter visitors and conversions for your control and variant to get the p-value, confidence level, and whether the result is statistically significant.
Free A/B test duration calculator. Enter your traffic, baseline conversion rate, and target lift to find out how many days your A/B test needs to run to reach significance.
Free CRO ROI calculator. Enter your traffic, conversion rate, and average order value to see the extra monthly and annual revenue a conversion rate improvement would generate.
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Free minimum detectable effect (MDE) calculator. Enter the visitors per variation you can realistically get and your baseline conversion rate to find the smallest lift an A/B test can reliably detect.
Free ICE score calculator. Rate each experiment idea on Impact, Confidence and Ease, then rank your A/B test backlog so you always run the test with the best payoff first.