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Free calculators and interactive tools from Experimento.
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Tools
A/B Test Sample Size Calculator: How Many Visitors Per Variation
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.
Tools
A/B Test Significance Calculator: Is Your Result Real or Noise
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.
Tools
A/B Test Duration Calculator: How Long to Run Your Test
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.
Tools
CRO Revenue Uplift Calculator: What a Conversion Lift Is Worth
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.