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.