The layman-friendly A/B testing calculator. Start with your metric, not the math.
Select your metric type to find the perfect statistical method.
Tests binary participation results.
For count data with power users (aggregate totals).
Tests differences in event frequencies with predictable patterns.
For continuous average metrics with outliers.
For continuous average metrics with consistent values.
For non-normal continuous metrics or ordinal rankings.
For comparing distributions across multiple categories.
For any metric without distributional assumptions.
Quickly calculate percentages, increases, and decreases.
Get p-values, confidence intervals, and lift estimates instantly as you type.
Capture numbers directly from your webpage using an OCR screenshotter to save time copy-pasting.
Always available in your browser side panel without blocking your view.
Explore the intuitive interface designed for quick statistical analysis
Calculate statistical significance for binary metrics like conversion rates
Interactive wizard helps you choose the right statistical test for your data
Quick percentage calculations without leaving your workflow