A/B Test Sample Size Calculator
Try:
%
%
Significance
Power
Visitors per variant
13,914
Fill both experiment arms
A50% traffic
2,500 / 13,914
B50% traffic
2,500 / 13,914
- Total visitors needed
- 27,828
- Days at your traffic
- 5.6 days
- Target conversion rate
- 3.60%
- Allocation
- 50 / 50
Two-sided fixed-horizon test




