How it works
ROAS Calculator formula
Attributed revenue ÷ advertising spend × 100
Shows revenue as a percentage of advertising cost.
Business calculator
ROAS Calculator
Enter attributed advertising revenue and ad spend to calculate ROAS and revenue per currency unit spent.
STEP 1
Enter your values
RESULT
500%Return on ad spend (ROAS)
Revenue generated relative to advertising spend.
Revenue after ad spend₩4,000,000
Advertising spend₩1,000,000
Attributed revenue₩5,000,000
ROAS measures revenue, not profit. Subtract product cost, fees, delivery, labour and tax to estimate actual profit.
Example
Example calculation
KRW 5m revenue from KRW 1m ad spend equals 500% ROAS.
- Standard
- Revenue-based ROAS formula
- Last reviewed
- August 16, 2026
Questions
ROAS Calculator FAQ
What should I enter in the ROAS Calculator?
Enter the requested values and the result will update immediately. Review the formula, assumptions and exclusions below the result.
Is the result an official amount?
No. It is an estimate based on the entered conditions and stated assumptions. Confirm important tax, insurance, employment or financial decisions with the relevant institution or a qualified professional.
Are Korean rules used?
This calculator uses the general formula or reference source shown on the page.
Related searchesROASreturn on ad spendadvertising revenueperformance marketing