Marketing · Free tool
ROAS Calculator: Return on Ad Spend
Enter ad spend and attributed revenue by channel, your gross margin and a target ROAS. The calculator gives you channel ROAS, blended ROAS, break-even ROAS, profit, and how much you can spend at the target. Compare Meta, Google, and Amazon side-by-side.
ROAS vs break-even ROAS
ROAS tells you revenue per rupee spent. Break-even ROAS tells you the ROAS at which contribution margin equals ad spend. The first is a target; the second is a constraint.
- ROAS = Attributed revenue ÷ Ad spend
- Break-even ROAS = 1 ÷ Gross margin %
- Max spend at target = Revenue ÷ Target ROAS
Break-even ROAS by gross margin
| Gross margin | Break-even ROAS |
|---|---|
| 25% | 4.00x |
| 33% | 3.00x |
| 40% | 2.50x |
| 50% | 2.00x |
| 60% | 1.67x |
| 75% | 1.33x |
Tracking ROAS live
A one-off ROAS calc helps with a single budgeting decision. FireAI pulls Meta, Google, Amazon, and Shopify together to keep blended and channel-level ROAS live, with break-even bands marked. See the marketing analytics dashboard.
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Frequently asked questions
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