Free A/B Test Calculator

Analyze unlimited A/B tests from your phone.Analyze unlimited A/B tests from your browser.

Other ways to import data:

Upload CSV

Paste from CSV

Paste rows from a CSV with exactly one control row and one experiment row.

Prefill with URL parameters

Supports control_sessions, control_conversions, experiment_sessions, experiment_conversions, confidence, hypothesis, and aov.

?control_sessions=10000&control_conversions=500&experiment_sessions=10000&experiment_conversions=550&confidence=95&hypothesis=one

Results

Waiting for test data

Enter sessions manually, import a CSV, or prefill the page with URL parameters.