CAC & LTV Calculator
Calculates customer lifetime value and the LTV:CAC ratio.
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Customer acquisition cost ($)
- Monthly revenue per customer ($)
- Gross margin (%)
- Avg. customer lifespan (months)
Example calculation
LTV : CAC ratio: 3.2 : 1
| Customer LTV | $960 |
|---|---|
| CAC | $300 |
| CAC payback (months) | 7.5 |
Method & notes
LTV = monthly revenue × gross margin × lifespan. A healthy SaaS LTV:CAC is around 3:1 or higher.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the CAC & LTV Calculator work?
Calculates customer lifetime value and the LTV:CAC ratio. LTV = monthly revenue × gross margin × lifespan. A healthy SaaS LTV:CAC is around 3:1 or higher.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.