BusinessReviewed Methodology
ROAS Calculator
A ROAS calculator helps you estimate return on ad spend by using attributed revenue and ad spend.
Quick answer
ROAS ratio is revenue divided by ad spend.
What this tells you
- •ROAS ratio is revenue divided by ad spend.
- •ROAS percent is ROAS ratio multiplied by 100.
- •ROAS is an estimate and depends on attribution methodology.
How to Use
- 1Enter attributed revenue for the campaign period.
- 2Enter ad spend for the same period.
- 3Calculate to view estimated ROAS ratio and percentage.
How It Works
Formula
ROAS = Revenue / Ad Spend
ROAS (%) = ROAS x 100The calculator estimates return on ad spend based on entered totals.
Calculation note: values are processed in the order shown above, using the current input units.
Worked Examples
Performance marketing estimate
Revenue$12,000
Ad spend$3,000
ResultEstimated ROAS: 4.00x (400%)
Common mistakes
- Using revenue and spend from mismatched periods
- Ignoring attribution model differences across channels
- Treating ROAS as net profit without cost-of-goods and overhead context
Limitations
This tool estimates ROAS from revenue and spend only. It does not include margin, overhead, refunds, taxes, attribution lag, or incrementality analysis.
Frequently Asked Questions
It depends on your margin structure and total operating costs; there is no universal threshold.
Yes. That indicates revenue below ad spend for the measured period.
No. ROAS focuses on ad spend return, while ROI typically includes broader costs.