A/B Test Calculator

Multivariate multi metric AB test calculator

Add multiple metrics and variations with our calculator. Enter your data below to see the statistical results. We simulate your experiment 10,000 times to generate graphs of likely outcomes.


Enter the traffic for each variation




Enter amounts for each metric




Click the plus icons to add additional variations and/or metrics. The URL updates automatically and is sharable.

We support 3 AB test metric types- binomial: for simple binary events like button clicks, counts: for sums like pages per visit, and duration: for time based metrics such as time on site or session duration.

Want to stop having to manually enter data? Growth Book automatically pulls from your data sources, and lets you search through all of your past tests (among many other features). Learn more.

Your results will appear here once you fill in the data