ROAS essentials
- The concept: Sales generated for each euro spent on advertising
- Calculation : Advertising revenue / Advertising expenditure
- Objective: Measure the direct profitability of your campaigns (Google Ads, Meta, etc.)
- Le repere : A ROAS of 4 means that 1 euro invested will generate 4 euros in sales
In the world of digital advertising, it's easy to get carried away by a high number of clicks or views. But for an executive, the only real question is: "Is the money I'm giving to Google or Meta coming back to me in profit?"
This is where the ROAS (Return on Ad Spend) becomes your best ally. It's the judge of your paid campaigns, the indicator that tells you, without a shadow of a doubt, whether your advertising strategy is fuelling your growth or emptying your coffers.
How do you calculate your ROAS?
The strength of ROAS lies in its simplicity. Unlike other complex calculations, this one is immediate:
ROAS = Advertising revenue / Advertising cost
Case in point: You invest 1,000 euros in a sales campaign. In return, you record 5,000 euros in sales directly linked to these ads. Your ROAS is 5. Translation: each euro invested generates 5 euros in sales.
Why is ROAS a strategic compass?
Using ROAS means steering your advertising investments with precision. Here's why you should keep a close eye on it:
- Arbitrate your budgets in real time: If your campaign on Google Ads shows a ROAS of 6 and the one on Meta with a ROAS of 2, you know exactly where to move your budget to maximize your income.
- Detecting "sinkhole" campaigns: Some ads attract a lot of curiosity but few buyers. A low ROAS alerts you immediately.
- Set clear objectives for your service providers: Whether you're working with an agency or a freelancer, ROAS is the healthiest target to give them.
Warning: ROAS doesn't tell the whole story
However powerful it may be, ROAS has its limits. To manage your business like a pro, keep two things in mind:
What he measures well
- Immediate campaign profitability
- Comparison between advertising channels
- Short-term performance
What he forgets
- Your actual net margin
- Customers who buy later (LTV)
- Impact on brand reputation
Control your overall profitability
The challenge for a decision-maker is to be able to compare the feedback from all his channels: SEA, SMAand even new levers such as GEO (AI visibility).
Juggling different dashboards to calculate your overall ROAS is often a time-consuming headache. GreenRed centralizes all your investments and revenues in one place, with a clear view of your ROAS by channel.