ROI vs ROAS
Both measure return, but one looks at the whole picture and one looks at just the ad spend, and mixing them up flatters bad campaigns. ROI and ROAS are two of the most common numbers in marketing, but they answer different questions. Use the wrong one and you will think a campaign is profitable when it is not.
ROI
ROI stands for return on investment. It compares the profit you made to the total amount you spent. It is the full, honest picture. ROI accounts for product costs, ad spend, labor, fees, and any other cost tied to the campaign.
ROAS
ROAS stands for return on ad spend. It compares the revenue you made to the ad spend alone. It is useful for judging how well a single ad campaign performs, but it ignores other costs like fulfillment, labor, and overhead.
ROI vs ROAS: side by side
| Dimension | ROI | ROAS |
|---|---|---|
| What it includes | All costs and all profit. Every expense tied to the campaign or product. | Ad spend and the revenue directly tied to that ad spend. |
| What it measures | Total return on everything spent, from a business-wide view. | Return on the ad spend only, from a campaign-level view. |
| What a good number looks like | Positive means the campaign or product made real profit after all costs. | A 4:1 ratio is a common benchmark, but that depends heavily on margins. |
| What it leaves out | Nothing meaningful when calculated correctly. It is designed to capture the full picture. | Product costs, labor, overhead, fees, and any cost outside of ad spend. |
Which one, when?
ROI: Use ROI to know if the business actually made money. It is the right metric for overall decisions, investor reports, and any time you need the real bottom-line picture.
ROAS: Use ROAS to judge a single campaign fast. It is the right metric for optimizing ads, comparing audiences, and deciding whether to scale a specific campaign.
Frequently asked questions
What is a good ROAS?
A common benchmark is 4:1, meaning $4 in revenue for every $1 in ad spend. But "good" depends on your margins. A 4:1 ROAS can still mean losing money if your costs are high.
Is ROAS the same as ROI?
No. ROAS measures revenue against ad spend. ROI measures profit against total cost. ROAS is narrower and can hide unprofitable campaigns.
Can ROAS be high while ROI is negative?
Yes. If a campaign drives a lot of revenue from ad spend but product costs, labor, and overhead are high, the business can lose money even with a strong ROAS.
Now run your own numbers
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