ROI Calculator
Results
Gain / Loss
$0
Duration (years)
0
ROI
0%
Annualized ROI
0%
Formulas
ROI% = ((Return − Investment) / Investment) × 100
Annualized ROI% = ( (Return / Investment) 1/years − 1 ) × 100
Annualized ROI% = ( (Return / Investment) 1/years − 1 ) × 100
Return on Investment (ROI) Calculator – Measure Profits, Compare Opportunities, and Grow Smarter
The Return on Investment (ROI) Calculator shows how efficiently money turns into profit. Enter your initial Investment, the final Return, and the time period (dates, months, or years). You’ll instantly see ROI% and Annualized ROI%—ideal for marketing campaigns, real-estate deals, stocks, startups, and side hustles.
Why Use an ROI Calculator?
- Instant clarity: See if an investment created value or destroyed it.
- Fair comparisons: Annualized ROI lets you compare short and long timeframes.
- Better budgeting: Shift resources toward higher-return projects.
- Risk control: Spot underperformers early and pivot confidently.
Popular Use Cases
- Marketing: Compare ROAS/ROI for ads, email, SEO, and influencers.
- Real estate: Evaluate flips, rentals, and renovations vs. costs.
- Investing: Measure returns on stocks, funds, or crypto.
- Startups: Track payback on product features and tooling.
- Personal finance: Judge side hustles or equipment purchases.
How to Use This ROI Calculator
- Enter your Investment and final Return.
- Select Dates, Years, or Months, then provide the period.
- Click Calculate to view ROI% and Annualized ROI%.
FAQs: Return on Investment (ROI) Calculator
What is a good ROI?
It depends on risk and industry. Many businesses target 10–15% annually. High-risk ventures may seek higher; stable assets may accept lower.Can ROI be negative?
Yes. A negative ROI indicates the return is less than the initial investment—i.e., a loss.How is Annualized ROI different from ROI?
Annualized ROI adjusts for time so you can compare a 6-month investment with a 3-year one fairly.Does this calculator handle cash flows in the middle?
No. It assumes one cash in (investment) and one cash out (return). For multiple cash flows, use IRR/XIRR models.Which currency does it use?
The display defaults to your browser locale’s USD formatting in the demo. Replace “USD” in the code if you need another currency.Tip: Pair ROI with risk, cash-flow timing, and opportunity cost for stronger decisions.