Advertising calculator
Calculate the ROAS you need to break even after product cost, shipping, platform fees, payment fees, and overhead.
Use order-level costs before ad spend. The result tells you the minimum ROAS ads need to hit before repeat purchases.
Break-even ROAS
2.25x
Max ad spend
$22.20
Pre-ad margin
44.4%
Net profit
$22.20
Break-even ROAS = revenue / maximum ad spend before profit reaches zero.
If contribution before ads is negative, paid acquisition cannot break even on the first order.
This is a planning calculator. Actual ad profitability depends on attribution windows, refunds, repeat purchases, and lifetime value. Last config update: 2026-07-06.
Reference links
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Use Break Even ROAS Calculator before listing, reordering, or launching ads. Start with conservative costs, then test how price and fees change profit.
Break Even ROAS Calculator follows a simple seller economics model: revenue minus product cost, shipping, platform fees, payment fees, advertising, and other order-level costs.
A seller can enter a target price, product cost, shipping cost, and fee rate, then compare profit margin before deciding whether the item deserves more research.
The most common issue is treating marketplace revenue as profit. Break Even ROAS Calculator helps expose hidden costs before they become expensive inventory mistakes.
Yes. A lower break-even ROAS means you can spend more on ads relative to revenue and still avoid losing money.
For a conservative first-order calculation, do not include them. For mature stores, compare this result with customer lifetime value.