CAC Payback Period
The time it takes to recover customer acquisition costs through gross profit.
The time it takes to recover customer acquisition costs through gross profit.
Calculate it: LTV & LTV:CAC Calculator
Why It Matters
CAC payback period determines your cash flow and growth constraints. Long payback means you're funding customer acquisition with cash that takes months or years to return. Short payback means you can reinvest quickly and scale faster. For VC-backed companies, investors scrutinize this metric heavily.
Benchmarks
A good CAC Payback Period is 12 months or less. Top performers achieve 6 months or less.
Good Performance
12 months or less
Top Performers
6 months or less
Practical Example
Scenario
A supplements brand has $75 CAC, $50 AOV with 60% gross margin = $30 gross profit per order, and customers order 4x/year.
Calculation
Monthly gross profit = $30 × (4/12) = $10/month. Payback = $75 / $10 = 7.5 monthsResult
At 7.5-month payback, they recover CAC within 8 months. This is healthy—they can scale with reasonable cash flow. A 16-month payback would require significant capital to fund growth.
Pro Tips
- 1Track payback by cohort and channel. Paid social might have 12-month payback while organic is immediate (no CAC).
- 2Factor in repeat purchase timing. High first-order gross profit = faster payback even if overall LTV takes time to realize.
- 3Consider subscription as a payback accelerator. Predictable monthly revenue speeds cash return vs waiting for repeat purchases.
- 4Use payback period to prioritize channel investment. All else equal, faster payback channels let you scale more efficiently.
Common Mistakes to Avoid
Frequently asked questions
Put it to work
Related Terms
The total cost of acquiring a new paying customer, including all marketing and sales expenses divided by the number of new customers acquired over a specific period.
The total revenue a business expects to earn from a single customer over the entire duration of their relationship.
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See what a customer is worth, and what you can afford to pay for one.
Enter order value, how often customers buy and your margin. See lifetime value and, with your acquisition cost, how many months a new customer takes to pay it back. Calculator results are available without an account.
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7.7x blended return at scale — seven figures attributed, across five straight quarters · Modern Prairie · Apr 2025–Jun 2026 Read the Modern Prairie case study
