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Put a number to your next step.

Transparent formulas. Editable assumptions. Calculations run locally and require no contact details.

Customers active at period startOf those, customers lost in the period

Use the same period and a consistent definition of an active customer. Exclude newly acquired customers from the churn numerator.

Churn rate · illustrative estimate

20.0%

How it’s calculated

Lost customers from starting cohort ÷ starting active customers × 100

Estimates only, based on your inputs. Revenue-based ROI excludes the underlying cost of goods and does not establish incremental profit.