ROAS vs. ROI: What's the Difference for Influencer Campaigns?
By Collaby Team · Updated February 18, 2026
Brands often use ROAS and ROI interchangeably when reporting on a creator campaign. They measure related things, but they answer different questions — and mixing them up leads to the wrong conclusion about whether a campaign worked.
ROAS answers: "How much revenue per rupee spent?"
ROAS (Return on Ad Spend) = Revenue ÷ Spend. A ROAS of 4.75× means every ₹1 spent generated ₹4.75 in revenue. ROAS is a ratio — it doesn't tell you whether the campaign was profitable, only how efficiently it generated revenue.
ROI answers: "How profitable was this campaign?"
ROI (Return on Investment) = (Revenue − Spend) ÷ Spend × 100. ROI subtracts cost first, so it expresses profit as a percentage. An ROI of 374% means the campaign returned 3.74× its cost in pure profit, after accounting for spend.
Why the difference matters
A high ROAS can still hide a thin margin if product cost, shipping or discounting isn't factored in elsewhere. ROI is the number finance teams usually care about; ROAS is the number marketing teams use to compare campaigns and creators quickly. Report both.
| ROAS | ROI | |
|---|---|---|
| Formula | Revenue ÷ Spend | (Revenue − Spend) ÷ Spend × 100 |
| Answers | Revenue efficiency | Profitability |
| Best for | Comparing creators/campaigns | Reporting to finance/leadership |
Worked example
Spend: ₹50,000. Attributed revenue: ₹2,37,400.
- ROAS = ₹2,37,400 ÷ ₹50,000 = 4.75×
- ROI = (₹2,37,400 − ₹50,000) ÷ ₹50,000 × 100 = 374%
Both numbers describe the same campaign — they just answer different questions for different audiences.
Where Collaby fits in
Collaby calculates both ROAS and ROI automatically for every campaign, using the attribution methods covered in how to calculate influencer marketing ROI. Learn more on the ROI tracking page.