A/B Test Sample Size Calculator · E-commerce
A/B Test Sample Size Calculator for E-commerce.
How many visitors before your test is conclusive.
E-commerce engineered for unit economics.
CRO & Experimentation · E-commerce
Why e-commerce operators use the a/b test sample size calculator.
Calculate the required sample size per variant to detect a minimum effect at 95% confidence and 80% power. Prevents calling tests early.
E-commerce has moved from a margin-rich category to one where unit economics decide who survives. SAZ helps DTC, B2B e-com, and marketplaces sharpen positioning, fix margins, and build the demand and retention programs that compound.
The formula
How a/b test sample size calculator is calculated.
n ≈ (z₍α/2₎ + z_β)² × (p₁(1−p₁) + p₂(1−p₂)) ÷ (p₂ − p₁)²Industry context
What changes when a/b test sample size calculator is applied to e-commerce.
Unit economics, CAC, and LTV
Site, funnel, and merchandising
Lifecycle and retention
Fulfillment and ops
Run the numbers
Open the a/b test sample size calculator.
Free, instant, no signup.
A/B Test Sample Size Calculator · E-commerce
Want a senior partner to interpret your results?
Email info@Sedighi.ca or call (604) 632-4959. A senior partner responds within one business day.
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