Significance, Revenue Impact, Duration — One Free Calculator.
Enter your test data, or
How long has the test been running?
Test duration
days
Additional days needed?Based on the required sample size and your daily traffic, this shows how many more days you need to run the test.
7
7 days total required
Control
Conversion rate
0.00%
Variation 1
Conversion rate: 0.00%
Lift
+0.00%
Extra monthly txns
0
Monthly contribution
$0
Sample size calculator
linked%
%
%
%
Required sample size per variant
24,601
Duration calculator
linked%
%
How long in total to run the test
7 days
Monthly monetary contribution
Monthly monetary contribution (variant 1)
—
Minimum detectable effect (MDE)?The smallest relative change in conversion rate the test can reliably detect at the given traffic and duration.
| Week | MDE |
|---|---|
| Week 1 | 9.24% |
| Week 2 | 6.49% |
| Week 3 | 5.29% |
| Week 4 | 4.57% |
| Week 5 | 4.09% |
| Week 6 | 3.73% |
Enter your test data above to see results
Fill in users and conversions for at least two variants

