Cohort Retention Calculator · E-commerce
Cohort Retention Calculator for E-commerce.
See how cohorts actually retain over time.
E-commerce engineered for unit economics.
Operations & Retention · E-commerce
Why e-commerce operators use the cohort retention calculator.
Calculate cohort retention over multiple periods to identify the true health of customer relationships. Most blended retention numbers hide cohort problems.
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.
Benchmarks
What good looks like — typical ranges to compare against.
B2B SaaS M12
> 80% (enterprise)
B2C subscription M12
> 50%
Curve flattens
Healthy — sticky product
Curve decays to zero
Product-market issue
The formula
How cohort retention calculator is calculated.
Retention (month N) = Active in Month N ÷ Cohort Size × 100Industry context
What changes when cohort retention 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 cohort retention calculator.
Free, instant, no signup.
Cohort Retention Calculator · E-commerce
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