Cost Per Acquisition (CPA)
Total marketing spend divided by number of customers acquired
FORMULA
CPA = Total Acquisition Spend / Number of New Customers Acquired
Alternate Calculations
By Channel
Channel Spend / Channel-Specific New CustomersBlended
Total Spend / (Organic + Paid New Customers)What is Cost Per Acquisition?
Cost Per Acquisition (CPA) measures the average cost to acquire one customer through marketing efforts. It's calculated by dividing total acquisition spend by the number of new customers acquired. Lower CPA indicates more efficient marketing and is critical for evaluating campaign ROI.
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Sample Data
| month | spend | customers | cpa |
|---|---|---|---|
| Jan | 50,000 | 200 | 250 |
| Feb | 52,000 | 220 | 236 |
| Mar | 48,000 | 240 | 200 |
| Apr | 55,000 | 260 | 212 |
Required Data Columns
Total SpendNew Customers