Customer Acquisition Cost Calculator
Fill in the values and the answer updates as you type.
How the Customer Acquisition Cost Calculator works
CAC = total marketing and sales spend ÷ new customers won in the same period. Many SaaS and subscription businesses aim for an LTV:CAC ratio of at least 3:1. Include salaries, ad spend, and tools in the spend figure for an honest number.
Inputs and results
The Customer Acquisition Cost Calculator takes 3 inputs and gives 4 results.
What you enter
- Marketing and sales spend ($) — starts at 15000.
- New customers acquired — starts at 120.
- Average customer lifetime value ($) — starts at 600.
What you get
- Customer acquisition cost
- LTV to CAC ratio
- Verdict
- Profit per customer after CAC
Example: Customer Acquisition Cost Calculator with the starting values
With marketing and sales spend 15000 $, new customers acquired 120 and average customer lifetime value 600 $, the calculator returns:
| Customer acquisition cost | $125 |
|---|---|
| LTV to CAC ratio | 4.8 |
| Verdict | Healthy (3:1 or better) |
| Profit per customer after CAC | $475 |
Change any value above and the results update straight away.
Customer Acquisition Cost Calculator FAQ
How do I use the Customer Acquisition Cost Calculator?
Enter marketing and sales spend, new customers acquired and average customer lifetime value in the fields, then read customer acquisition cost, ltv to cac ratio, verdict and profit per customer after cac in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Customer Acquisition Cost Calculator calculate?
Find your CAC and compare it with customer lifetime value. It returns customer acquisition cost, ltv to cac ratio, verdict and profit per customer after cac from the 3 values you provide.
What values does the Customer Acquisition Cost Calculator start with?
It opens with marketing and sales spend 15000 $, new customers acquired 120 and average customer lifetime value 600 $ so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Customer Acquisition Cost Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Customer Acquisition Cost Calculator for financial decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm financial decisions with a qualified professional. See the Disclaimer for more.