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Churn & Contribution LTV

Constant exponential customer churn: lifetime = 1/churn; contribution LTV = ARPU × margin/churn; CAC payback = CAC/monthly contribution. Zero-churn LTV and zero denominators remain undefined. No expansion, discounting or cohort forecast; 1/churn is a discrete steady-rate model.

churn-ltvLOCAL WORKSPACE

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Inputs and settings

Processed in this tab without uploading or storing inputs. Each text field is limited to 32 KiB and complete output to 1 MiB; additional format and model limits apply.

Results

Review the settings and run. Editing inputs clears old results.

Processing model and limits

Constant exponential customer churn: lifetime = 1/churn; contribution LTV = ARPU × margin/churn; CAC payback = CAC/monthly contribution. Zero-churn LTV and zero denominators remain undefined. No expansion, discounting or cohort forecast; 1/churn is a discrete steady-rate model.

Data and model checked: Method reference ↗

How to use this tool

Load the example, confirm field units and processing rules, then run locally. Editing any input clears the old result. Copy or download the complete output explicitly.

When not to use it

Constant exponential customer churn: lifetime = 1/churn; contribution LTV = ARPU × margin/churn; CAC payback = CAC/monthly contribution. Zero-churn LTV and zero denominators remain undefined. No expansion, discounting or cohort forecast; 1/churn is a discrete steady-rate model.