A/B Test Performance Estimator

The calculator shows conversion rates, confidence levels, uplift percentages, and identifies winning variants with 95% or higher confidence.

You can test multiple variants against your control group. Simply use the 'Add Variant' button to include more test variants.

Statistical significance helps determine if your test results are due to actual differences between variants rather than random chance. We consider results with 95% or higher confidence to be statistically significant.

Yes, our A/B Test Performance Estimator is completely free to use with no hidden costs or limitations.

Anyone can use this tool! It's particularly useful for marketers, product managers, UX designers, and business owners who want to make data-driven decisions about their website or product optimizations.