This website works best with JavaScript enabled. Learn how to enable JavaScript.
A/B Test Duration Calculator in VWO

A/B split & multivariate test duration calculator

Get comprehensive insights about testing, optimization, UX, design, and more.

How long should you run your A/B Test?

Estimated existing conversion rate (%)


Minimum improvement in conversion rate you want to detect (%)


Number of variations/combinations (including control)

Average number of daily visitors

Percent visitors included in test?


Total number of days to run the test:

Ubisoft Used A/B Testing to Increase Conversions by 12%

Learn How

Contact Us / Login