CAC Payback Period Calculator
See how quickly you earn back what you spend to acquire a customer. A short payback period frees up cash to reinvest in growth.
Calculate your payback period
Payback months equal CAC divided by monthly gross profit per customer.
How it works
CAC payback tells you how long your gross profit takes to cover the cost of winning a customer.
Enter your CAC
Add the total sales and marketing cost to acquire one customer, including ads, commissions, and tooling.
Enter monthly gross profit
Add the gross profit a single customer generates each month after the direct costs of serving them.
Read your payback
We divide CAC by monthly gross profit to show how many months and days it takes to break even.
Frequently Asked Questions
Everything you need to know about CAC payback period.
Recover cash faster with on-time payments
Invoice My Clients helps you bill and collect quickly, so the gross profit that pays back your CAC arrives sooner.
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Pair payback with the full value a customer brings over time.