CAC Calculator
Hosted Excel calculator for channel-level customer acquisition cost and payback period.
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CAC Calculator
Calculate and compare customer acquisition cost across channels. The workbook helps identify efficient acquisition sources, period-over-period changes, and payback periods by channel.
Key Inputs
- Total spend by channel
- New customers acquired
- Prior-period CAC
- Monthly ARPU and gross margin
Notes
Payback period is derived from CAC and monthly gross profit. The workbook works well when you need a lightweight way to explain acquisition efficiency and the difference between cheap traffic and sustainable customer economics.
In the browser
Set acquisition cost against what a customer is worth with the Customer Lifetime Value Calculator, which reports the CLV to CAC ratio in the browser. It is one of 32 free tools in the Marketing Toolkit Hub.