Break-Even ROAS Calculator
Last updated: October 15, 2026
Calculate break-even return on ad spend from order value, gross margin, payment fees, fulfillment costs, returns and advertising budget.
Break-even return on ad spend
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- Contribution profit per order before ads: —
- Break-even revenue from entered budget: —
- Break-even orders from entered budget: —
- Maximum advertising cost per order: —
On this page
Quick summary: Calculate break-even return on ad spend from order value, gross margin, payment fees, fulfillment costs, returns and advertising budget.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Calculate break-even return on ad spend from order value, gross margin, payment fees, fulfillment costs, returns and advertising budget.
How to use it
Enter Average order value ($); Gross margin before fulfillment (%); Payment processing fee (%); Fulfillment cost per order ($); Expected returns and refunds as % of revenue; Advertising budget ($). Select Calculate to update the results.
How the calculation works
Contribution profit subtracts payment fees, fulfillment and expected returns from gross profit per order. Break-even ROAS is revenue divided by contribution profit, or one divided by contribution margin ratio.
Worked example: starting scenario
| Average order value ($) | 120 |
|---|---|
| Gross margin before fulfillment (%) | 65 |
| Payment processing fee (%) | 3 |
| Fulfillment cost per order ($) | 14 |
| Expected returns and refunds as % of revenue | 6 |
| Advertising budget ($) | 25000 |
| Break-even return on ad spend | 2.26× |
|---|---|
| Contribution profit per order before ads | $53.20 |
| Break-even revenue from entered budget | $56,390.98 |
| Break-even orders from entered budget | 470 |
| Maximum advertising cost per order | $53.20 |
Important limitations
Taxes, overhead, discounts, shipping revenue, repeat purchases, attribution and channel incrementality are not included.