Customer Acquisition Cost (CAC) Calculator
Calculate CAC and your LTV:CAC ratio. This free online business & marketing calculator runs entirely in your browser — no signup, no data sent anywhere.
Inputs
Results
How It Works (Formula & Method)
CAC is total sales and marketing spend divided by the number of new customers it produced. Dividing customer lifetime value by CAC gives the LTV:CAC ratio — a healthy SaaS benchmark is around 3:1 or better.
Worked Example
Below is a worked example using the calculator's default values. The same numbers are pre-filled in the form above so you can press Calculate and see the result without typing anything.
Inputs used:
- Sales + Marketing Spend ($): 10000
- New Customers Acquired: 100
- Customer Lifetime Value ($, optional): 720
With these inputs, the calculator computes the metrics shown in the Results panel. Change any value and press Calculate again to see how the result responds — the live widget and the chart both update instantly.
Frequently Asked Questions
What does the Customer Acquisition Cost (CAC) Calculator compute?
The Customer Acquisition Cost (CAC) Calculator takes 3 input values and returns 2 results. Calculate customer acquisition cost from sales and marketing spend and the number of new customers, plus the crucial LTV-to-CAC ratio.
Is my data sent to a server?
No. The Customer Acquisition Cost (CAC) Calculator runs entirely in your browser using static JavaScript. Your inputs are never transmitted to CalculatorHive or any third party, and nothing is stored after you close the page.
Is this calculator free to use?
Yes. Every calculator on CalculatorHive is completely free. There is no signup, no paywall, and no usage limit. The site is supported by display advertising and affiliate partnerships, which are clearly labeled.
How accurate is the result?
The math is mathematically exact for the inputs you provide. Real-world accuracy depends on how accurately your inputs reflect the real situation — defaults are typical values, not guarantees.