A/B Split Test Significance Calculator
Free A/B testing statistical significance calculator.
Use the tool to calculate the statistical significance of your A/B Test.
Variation A
Traffic
Conversion
Variation B
Traffic
Conversion
Significance Level
90%
95%
99%
normal mode
CALCULATE
Conversion Rate Control A
Conversion Rate Control B
Relative change in CR
Effect size
p-Value
Significance Level