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Analytics
CAC Calculator
Calculate customer acquisition cost and LTV:CAC ratio.
Results
- Customer Acquisition Cost (CAC)$300
- LTV : CAC ratio4.00 : 1
- Estimated payback period6.0 months
Verdict: Healthy — LTV:CAC above 3:1.
About this tool
Enter your marketing and sales spend, the number of new customers acquired, and (optionally) average LTV. The calculator returns your Customer Acquisition Cost, LTV:CAC ratio, payback period, and a plain-English verdict.
What it does
- •True CAC from marketing + sales spend
- •LTV : CAC ratio with health verdict
- •Estimated payback period
- •Works for SaaS, ecommerce, agencies
Use cases
- ★Measuring paid channel efficiency
- ★Benchmarking against 3:1 LTV:CAC rule
- ★Defending a marketing budget
FAQ
How is CAC calculated?
CAC = (marketing spend + sales spend) ÷ new customers acquired in the same period. Include salaries, ads, tools and agency fees.
What's a good LTV:CAC ratio?
3:1 is the SaaS rule of thumb. Below 1:1 you lose money; above 5:1 you may be under-investing in growth.