Break-Even CPA Calculator
Last updated: October 15, 2026
Calculate the maximum cost per acquisition that breaks even on a first order.
Break-even CPA
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- Gross profit before variable order costs: —
- Variable order costs: —
- Break-even CPA as % of revenue: —
On this page
Quick summary: Calculate the maximum cost per acquisition that breaks even on a first order.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Calculate the maximum cost per acquisition that breaks even on a first order.
How to use it
Enter Average order value ($); Product gross margin (%); Fulfillment and payment cost per order ($); Expected refund and discount cost per order ($); Variable support cost per new customer ($). Select Calculate to update the results.
How the calculation works
Break-even CPA is first-order gross profit less variable fulfillment, refund and support costs.
Worked example: starting scenario
| Average order value ($) | 150 |
|---|---|
| Product gross margin (%) | 55 |
| Fulfillment and payment cost per order ($) | 18 |
| Expected refund and discount cost per order ($) | 8 |
| Variable support cost per new customer ($) | 5 |
| Break-even CPA | $51.50 |
|---|---|
| Gross profit before variable order costs | $82.50 |
| Variable order costs | $31.00 |
| Break-even CPA as % of revenue | 34.33% |
Important limitations
This first-order view excludes repeat purchases, fixed overhead, taxes, chargebacks and attribution uncertainty.