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Break-even ROAS Calculator

Break – even ROAS is the return on ad spend at which revenue exactly covers ad cost – no profit, no loss. This break even ROAS calculator converts your profit margin into that floor, so you know the exact multiple a campaign has to beat before you spend another dollar scaling it.

—Break-even ROAS
How it works

How to calculate your minimum profitable roas

Break-even ROAS = 1 ÷ Profit margin

Profit margin % – your contribution margin: revenue minus cost of goods and every variable cost- shipping, payment processing, fulfilment, returns – divided by revenue. Enter 25 for 25%, not 0.25. Use contribution margin rather than gross margin. Gross margin ignores the variable cost that ad revenue also has to cover, so it returns a break- even number that is too low and makes losing campaigns look fine.

For example: Say your contribution margin is 25%. Break-even ROAS = 1/0.25=4. Every $1 of ad spend has to return $4 in revenue just to cover itself. Spend $2,000 and you need $8,000 in sales. A 3.0 ROAS returns $6,000, which is $1,500 of contribution against $2,000 spend – a $ 500 loss. Triple your money and still go backwards.

FAQ

Frequently asked questions

Why does break- even ROAS matter? +
Because a ROAS figure means nothing without your margin. At a 25% contribution margin you break even at 4, so a 3 ROAS is less, not a win. At a 40% margin you break even at 2.5 and that same 3 turns a profit. The margin decides, every time.
Is a 3x ROAS good? +
Only when your contribution margin clears about 33%. AT a 40% margin you break-even is 2.5, so 3 profits. At a 25% margin your break-even is 4, so 3 losses money on every sale. A 3x ROAS is not good or bad on its own – your margin decides.
What margin should I use? +
Use contribution margin: revenue minus cost of goods and every variable cost, including shipping, payment fees, fulfilment and returns. Not gross margin, and never gross revenue. If your product sells for $100 and cost $75 all-in to deliver, enter 25- which sets your break- even at 4.
What is a good ROAS to target above break-even? +
Set the target by how much profit you want, not by a benchmark. Break- even at a 25% margin is 4, so a 5 target leaves real contribution. Databox’s median Facebook purchase ROAS of 3.16(2026) is the only sourced comparison Website Pandas will publish; treat it as context, not a goal.
Do agency fees and shipping belong in break-even ROAS? +
Shipping does, agency fess do not. Shipping is a variable cost, so it comes out of contribution margin and raises your break – even multiple. Management fees are fixed, so Website Pandas handles them in ROI instead. Its Google Ads management runs from $500 per month or 20% of ad spend.
How do I compare this to my actual campaign ROAS? +
Calculate your real return first with the ROAS calculator on this site: revenue from ads divided by ad spend. Then set that number against the floor this break even ROAS calculator gives you. Anything below the floor loses money, however good the revenue column looks in Meta or Google Ads.
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