A/B & Split Test Duration Calculator

Enter your visitor and conversion numbers below to find out how long do you need to run your test

Frequently Asked Questions (FAQ)

Why do I need an A/B test duration calculator?

An A/B test duration calculator is a tool that helps you estimate how long you need to run an A/B test to achieve statistically significant results.

Statistically significant results mean that the difference in performance between the control and the variation is not due to random chance, but rather due to the change you made.

Why should you care about the duration?

You need an A/B test duration calculator because running a test for too long or too short can affect the validity and reliability of your results.

If you run a test for too long, you may waste time and resources on a test that has already reached a conclusion.

If you run a test for too short, you may end up with false positives or inconclusive results that do not reflect the true impact of your change.

Try other free tools:

A/B testing platform for people who
care about  website performance

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