A B Testing Formulas
Explore formula guides that explain the equations, variables, and assumptions behind each calculator.
99 Formulas
Supporting formulas for a b testing calculators.
A/B Testing Service-Level Agreement FormulaLearn how A/B test SLA completion is calculated from traffic, allocation, sample targets, and minimum run time.View formula→A/B Testing SLA Availability FormulaLearn how monthly A/B testing availability, downtime allowance, excess outage time, and estimated service credit...View formula→A/B Testing Service-Level Agreement FormulaLearn how users per variation, total traffic, and estimated test duration are calculated for a conversion-rate A...View formula→A/B Testing Statistical Significance FormulaLearn how annual A/B test conversion uplift and the two-proportion z-score are calculated.View formula→A/B Testing Statistical Significance FormulaLearn how a pooled two-proportion z-test estimates whether two A/B test conversion rates differ at a selected th...View formula→Monthly A/B Test Statistical Significance FormulaLearn how monthly A/B test conversion rates, relative lift, pooled standard error, and z-scores are calculated.View formula→A/B Testing Statistical Significance FormulaLearn how per-user conversion rates, uplift, standard error, z-score, and evidence ratio are calculated for an A...View formula→A/B Testing Token Usage FormulaLearn how annual AI token usage and estimated token cost are calculated for an A/B testing program.View formula→A/B Testing Token Usage FormulaLearn how to estimate total token usage, API cost, and the incremental token impact of an A/B test variant.View formula→A/B Testing Token Usage FormulaLearn how to estimate monthly input tokens, output tokens, total token volume, and token-based API cost for an A...View formula→A/B Testing Token Usage Per-User FormulaLearn how to calculate token usage per user for two A/B test variants and the traffic-weighted average across th...View formula→A/B Testing Upload Time Annual Savings FormulaLearn how annual upload time savings are calculated from upload volume, speed improvement, working days, and var...View formula→