Customer acquisition cost

Customer acquisition cost: calculate a transparent estimate from the values and assumptions you provide.

Customer acquisition cost: calculate a transparent estimate from the values and assumptions you provide.

Both dots and commas are accepted as decimal separators.

Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.

Method and assumptions

Method version 1.0.0 · Updated

Calculate

Formula: CAC = acquisition spend / new customers

Customer acquisition cost: calculate a transparent estimate from the values and assumptions you provide.

salesMarketingSpend
Sales and marketing spend
newCustomers
Attributed new customers

Define acquisition spend and new-customer attribution consistently.

Calculate with code

These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.

JavaScript
const cac = 12000 / 300; // 40 per acquired customer