ROI & ROAS Calculator
Calculate ROI for investments or ROAS for ad campaigns in seconds. Two modes in one calculator: for marketing and for business projects.
How much money you invested in the project
Net income after subtracting the investment
Formula
ROI = (Profit − Investment) ÷ Investment × 100%
If investment = $1,000 and you got back $1,500, then profit = $500 and ROI = 50%.
How to use the calculator
A universal calculator: for investment projects and for measuring advertising effectiveness.
Choose the mode
ROI — for business projects, investments, crypto and stocks. ROAS — for measuring ad campaign profitability.
Enter investment and return
Specify the invested amount and the result. In ROI mode you can enter either net profit or total revenue.
Get the profitability percentage
The calculator shows ROI or ROAS as a percentage, a multiplier, and the total profit with a formula explanation.
Calculator benefits
Two modes in one
ROI for business projects and ROAS for ad campaigns — switch with one click, no need to open another page.
Transparent formulas
Every result shows the formula and an explanation — you understand how the number came up, not just the answer.
No registration
Works in your browser, no data is stored anywhere. Calculate as many scenarios as you want for free.
FAQ about ROI and ROAS
What is ROI?
ROI (Return on Investment) is a profitability metric — the ratio of net profit to the invested amount, expressed as a percentage. ROI = (Profit − Investment) ÷ Investment × 100%. If ROI = 50%, every $1 invested returned $1.50 ($1 to recover the investment plus $0.50 of profit).
How is ROAS different from ROI?
ROAS (Return on Ad Spend) divides revenue by spend: ROAS = Revenue ÷ Spend × 100%. ROI divides net profit by investment: ROI = (Profit − Investment) ÷ Investment × 100%. ROAS is used for a quick view of ad efficiency (it includes the return of the spend itself), while ROI is used for projects and investments (showing the real gain on top).
What ROI is considered good?
It depends on the industry and time horizon. For marketing campaigns ROI above 50% is good, above 100% is excellent. For long-term investments (stocks, bonds, deposits) the benchmark is 15–20% annually above inflation. For venture and high-risk projects investors usually expect 300%+ over a few years to compensate for the risk.
Can it be used for crypto or stocks?
Yes, the ROI formula is universal for any asset. Enter the purchase amount (investment) and the current value or sale revenue (income). The calculator will return the profitability percentage. For long-term investments, also factor in inflation and broker fees — they reduce real ROI.