Customer Acquisition Cost Calculator

Business Calculator

Customer Acquisition Cost Calculator

Calculate customer acquisition cost from sales and marketing spend.

⚠️ Please enter valid values. New customers must be greater than zero.
Customer Acquisition Cost
Calculator guide

How this calculator works

How to use this calculator

Enter total sales and marketing cost, then enter the number of new customers acquired. The calculator estimates customer acquisition cost.

Formula used

Customer Acquisition Cost = Sales & Marketing Cost ÷ New Customers Acquired.

Example calculation

If you spend $5,000 and acquire 100 new customers, CAC is $50 per customer.

What the result means

CAC shows the average cost to acquire one customer. It is often compared with customer lifetime value, gross margin, and payback period.

Frequently asked questions

What costs should I include?

Include the sales and marketing costs you want to measure, such as ads, tools, commissions, or campaign costs.

Is lower CAC always better?

Lower CAC helps, but customer quality, revenue, retention, and profit also matter.

Can this be used for ecommerce?

Yes. It can be used for ecommerce, SaaS, services, and other businesses.