Results calculator
Did B beat A?
Enter your numbers on the left. Read the verdict on the right. That's it.
Your data
Variant A
The control
5.00%
Variant B
The challenger
6.22%
Verdict
Ship B. +24.8% expected uplift.
There's a 100% chance Variant B genuinely converts better than Variant A. The most likely uplift is around 24.8%.
Expected uplift
+24.8%(95% CI: 5.4% to 46.8%)
Variant A
5.00%
95% CI: 4.42% – 5.65%
Variant B
6.22%
95% CI: 5.56% – 6.94%