A/B Testing Significance Calculator

Did that button color change actually improve your conversions?

Are you wondering if a design or copy change impacted your sales? Enter your visitor and conversion numbers below to find out. The significance calculator will tell you if a variation increased your sales, and how much by.

The number of visitors on this page was: The number of overall conversions was: Conversion Rate
A 9%
B 12%
  • Test:

    A

    The number of visitors on this page was:

    The number of overall conversions was:

    Conversion Rate

    9%

  • Test:

    B

    The number of visitors on this page was:

    The number of overall conversions was:

    Conversion Rate

    12%

Your test results

Test "B" converted 33% better than Test "A". I am 99% certain that the changes in Test "B" will improve your conversion rate.

Your A/B test is statistically significant!

You can do more than A or B

Add another variation