Cost Per Acquisition (CPA) Calculator

Calculate cost per acquisition. Track marketing efficiency at customer conversion.

This tool calculates Cost Per Acquisition (CPA) — the cost to acquire one paying customer through a specific campaign or channel. CPA helps evaluate marketing ROI. Results are illustrative estimates based on the inputs you provide.

Calculator

$
Cost Per Acquisition
$500.00
Customers per $1,000 Spend
2
Total Spend
$20,000.00
Total Customers
40

Common use cases

  • Campaign ROI analysis
  • Channel optimization
  • Budget allocation decisions
  • Marketing efficiency comparison

How to use

  1. Enter your campaign or channel spend
  2. Enter the number of customers acquired
  3. View your cost per acquisition

FAQ

How is CPA different from CAC?

CPA typically refers to a specific campaign or channel. CAC is often the blended cost across all acquisition efforts.

Should CPA be less than LTV?

For profitable acquisition, CPA should be significantly less than customer LTV to account for other costs.

Results are illustrative estimates based on the inputs you provide.