Decision calculator
Customer Acquisition Cost Calculator
Calculate blended and paid CAC, simple and churn-adjusted CAC payback, and a cumulative gross-profit payback curve per acquired customer.
Modeled result
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Results update as you change the inputs.
Methodology and assumptions
Blended CAC = spend ÷ all new customers. Paid CAC = spend ÷ (new customers − organic customers), which is the cost that actually scales with budget. Simple payback = CAC ÷ (monthly revenue × gross margin). Churn-adjusted payback is the first month where cumulative gross profit from a customer, weighted by the probability they are still active, covers CAC. Define spend and acquisition period consistently.
Currency outputs are rounded to the nearest minor currency unit.
Pricing last verified:
Frequently Asked Questions
What does the Customer Acquisition Cost Calculator calculate?
Calculate blended and paid CAC, simple and churn-adjusted CAC payback, and a cumulative gross-profit payback curve per acquired customer.
How accurate is the Customer Acquisition Cost Calculator?
It is a planning estimate based on the inputs, formula, assumptions, and sources shown on this page. Actual prices, invoices, taxes, discounts, and outcomes can differ.
Which pricing source does the Customer Acquisition Cost Calculator use?
The calculator links to Stripe customer acquisition cost guidance as its official source. The displayed pricing or reference data was last verified on 2026-10-01.
Are calculator inputs saved or sent to analytics?
Inputs are processed in your browser. Calculator values are not included in analytics events.