2 Sept 2026

What Is ROAS and Why Does It Matter?

Ever wondered if your ads are actually making you money, or just spending it?

There's one number that answers that question honestly: ROAS, or Return on Ad Spend.

It's one of the simplest ways to check whether your marketing is working, and most businesses either don't track it properly or don't know what it's really telling them.

What is ROAS?

ROAS stands for Return on Ad Spend. It measures how much revenue you make for every dollar you spend on advertising.

The formula is simple:

ROAS = Revenue from Ads ÷ Cost of Ads

So if you spend $1,000 on ads and generate $5,000 in revenue, your ROAS is 5 ($5,000 ÷ $1,000).

That means for every $1 you spent, you got $5 back, or a 5:1 ROAS.

Why does ROAS matter?

ROAS gives you a direct line between what you're spending and what you're making. That's powerful, because it lets you:

  • See which campaigns are actually working
  • Compare performance across different platforms (Google, Facebook, TikTok, etc.)
  • Make smarter decisions about where your budget should go
  • Show real, measurable results

Whether you're filling seats, selling tickets, or moving product, ROAS is one of the clearest signals of whether your marketing is doing its job or just making noise.

What counts as a "good" ROAS?

There's no single number that applies to every business, it depends on your industry, margins, and goals. But as a general rule of thumb, most businesses aim for 4:1 or higher before calling a campaign genuinely profitable.

The Mistake Almost Everyone Makes

Here's what most businesses miss: ROAS measures revenue, not profit.

Two campaigns can have identical ROAS numbers, but if one is selling high-margin products and the other low-margin products, their actual impact on the bottom line will be completely different.

ROAS also won't tell you about:

  • Customer lifetime value: The customer who buys once today might come back three more times over the next year. ROAS only sees that first sale.
  • Brand awareness and loyalty: Campaigns that build long-term trust and recognition don't always show up as an immediate, high ROAS, but they matter.
  • Cost to acquire a customer: Knowing your ROAS is only half the picture if you don't also know what it costs you to win each customer in the first place.

The Takeaway

ROAS is one of the best tools for checking if your ad spend is working, but it shouldn't be the only number you look at. Balance it with the bigger picture, profit margins, repeat customers, and long-term brand value, and you'll get the full story, not just half of it.

So, What Is Your ROAS Actually Telling You?

Every dollar you spend on ads is either working for you or quietly disappearing, and ROAS is how you tell the difference.

If you're not sure which one it is, that's exactly what we're here for. Get in touch with our Squid team and let's find out together.