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What Is ROAS?

ROAS measures how many euros of revenue you generate for every euro spent on advertising. It is a ratio, not a profit metric, so a 4x ROAS means €4 in revenue for every €1 spent, but it does not tell you whether that €4 covered product cost, shipping, platform fees, and returns well enough to leave real profit.

The Formula

ROAS = Revenue from Ads ÷ Ad Spend

If you spend €500 on Facebook ads and generate €2,000 in attributed revenue, ROAS is 2,000 ÷ 500 = 4x. That sounds strong, but if the product carries only a 20% gross margin, break-even sits at 5x and the campaign still loses money.

What's a Good ROAS?

| Your Gross Margin | Break-Even ROAS | Healthy Operating ROAS | |-------------------|-----------------|------------------------| | 25% | 4.0x | 5.0x+ | | 35% | 2.9x | 3.5x+ | | 50% | 2.0x | 2.6x+ | | 65% | 1.5x | 2.0x+ |

A "good" ROAS only exists relative to your break-even. A 3x ROAS is excellent at 65% margin and a money-loser at 30% margin — the number alone tells you nothing.

A good ROAS is always relative to your break-even ROAS. Sellers get into trouble when they treat platform dashboards as the scoreboard. Dashboards report revenue efficiency. They do not report whether the campaign actually made money after unit economics. A beauty brand can be profitable at 2.7x. An electronics store can lose money at 3.5x. The margin structure decides which one you are.

The other reason benchmarks mislead people is attribution quality. Google Shopping, Meta, TikTok, and email-assisted conversions do not all report the same way. A 4x inside one dashboard can be closer to a true 3.4x after returns and delayed cancellations. That gap matters when your margins are tight.

Common Mistakes

  • Confusing ROAS with profit. A 4x ROAS on a product with 20% gross margin still loses money because break-even is 5x, so every €1,000 in ad spend can quietly destroy about €200 in contribution profit.
  • Using total store revenue instead of campaign-attributed revenue. If a campaign spent €500 and true attributed revenue was €1,200, reporting the store's full €2,000 day inflates ROAS from 2.4x to 4x and hides an underperforming ad set.
  • Using one ROAS target across all products. A store with a 60% margin bundle can survive at 1.67x, while a 25% margin accessory needs 4x just to break even.
  • Ignoring returns. If 15% of ad-driven orders are refunded, reported revenue of €2,000 behaves more like €1,700 retained revenue, dropping effective ROAS from 4x to 3.4x.

Related Tools

Break-Even ROAS Calculator checks the minimum return you need before ads stop losing money.

Maximum CAC Calculator translates margin and customer value into the most you can afford to pay to acquire one customer.

Related Terms

If this page answered the revenue-efficiency question, the next terms to read are CAC, break-even ROAS, and gross margin.