Split-Test Calculator
Plug in up to eight variants, keep tabs on Bayesian win probabilities, overlapping conversion-rate curves, and the real revenue upside before you make a decision.
Variants
Minimum of two, maximum of eight cards.
Variant A
Variant A
Variant B
Variant B
Variant C
Variant C
Probability Calculations
Conversion rate vs. probability of being the best variant.
Variant A
1,000 visitors · 4 conversions
Conversion Rate
Probability Best
0.0%
Variant B
1,000 visitors · 5 conversions
Conversion Rate
Probability Best
0.0%
Variant C
1,000 visitors · 6 conversions
Conversion Rate
Probability Best
0.0%
Variant A still leads
Challengers need more traffic or better performance to unseat the baseline.
- Absolute lift vs. baseline
- 0.00%
- Relative lift vs. baseline
- 0.00%
- Incremental conversions
- 0
- Incremental revenue
- $0
Business Context
Translate results into revenue.
Statistical Settings
Dial in how strict you want to be.
Confidence level determines how sure you need to be before calling a winner. Higher confidence means fewer false positives but requires more data.
Data Quality
Minimum thresholds for reliable results.
Recommended Sample Size
4,000 visitors
You have 3,000 — need 1,000 more