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ROI Calculator

Calculate your return on investment and annualized ROI.

✓ Measure investment performance accurately. Compare ROI across different investments and time periods using annualized returns for fair comparison.

Calculator

i
The amount you initially invested
i
The current or final value of your investment
i
How long you held the investment (for annualized ROI)

Your Results

Total Gain ($)
i
Your profit from the investment (Final Value - Initial Cost)
5,000
Roi (%)
i
Total return on investment percentage: (Gain - Cost) / Cost × 100
50
Annualized R O I (%)
i
Average annual return rate over the time period
22.5

Understanding ROI

Return on Investment (ROI) measures how efficiently an investment generates profit relative to cost. It's expressed as a percentage: (Gain ÷ Initial Investment) × 100. A $10,000 investment becoming $12,000 is a 20% ROI. ROI is universal—you can compare stocks, real estate, startups, and business projects on the same metric.

Total ROI vs. Annualized ROI

Total ROI: The complete return from investment start to finish, regardless of time. A 50% ROI is impressive over 1 year but mediocre over 10 years.

Annualized ROI: The average annual return rate, accounting for time. This lets you fairly compare a 2-year investment to a 5-year investment. $10,000 → $20,000 in 7 years is 50% total ROI but only ~10% annualized (compound annual growth rate).

Quick ROI Benchmarks

  • Treasury Bonds: 4-5% (2024)
  • Stock Market (S&P 500): ~10% historical average
  • High-Yield Savings: 4-5%
  • Real Estate: 8-12% (including appreciation + rental income)
  • Business Startup: 0% to 100%+ (highly variable)
  • Peer-to-Peer Lending: 5-8%

ROI Calculation Tips

  • Include All Costs: Fees, taxes, maintenance, management. True ROI includes total cost of ownership.
  • Account for Time Value: Use annualized ROI to compare investments across different time periods fairly.
  • Risk-Adjust Returns: A 20% return with high risk is different from 20% with low risk. Compare risk-adjusted returns.
  • Consider Opportunity Cost: If ROI is 5% but you could get 8% elsewhere, the true opportunity cost is -3%.
  • Exclude Inflation Impact: This calculator shows nominal ROI. Real return (adjusted for inflation) is lower.

Common ROI Mistakes

Ignoring Time: Comparing a 2-year 40% return to a 10-year 40% return as equivalent is misleading. Annualize both for fair comparison.

Missing Costs: Investment fees, taxes, and maintenance reduce net ROI. Account for total cost of ownership.

Survivorship Bias: Successful startups show amazing ROI, but 90% fail (−100% ROI). Average expected ROI on startups includes failure risk.

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Additional Resources

Trusted Sources

About This Calculator

This calculator uses industry-standard formulas and financial methodologies. Always consult with a qualified financial advisor before making investment decisions.

Frequently Asked Questions

Get answers to common questions about this calculator

Q: What's the difference between ROI and ROIC?▼

A: ROI (Return on Investment) is personal—total gain divided by your investment. ROIC (Return on Invested Capital) is for companies—how efficiently they use all investor capital. For personal investing, use ROI. For evaluating companies, ROIC matters.

Q: How do I compare investments with different timeframes?▼

A: Use annualized ROI. A 20% total ROI over 5 years (~3.7% annualized) is much worse than 20% over 1 year. The annualized figure lets you fairly compare different investments. It's essentially the compound annual growth rate (CAGR).

Q: Should I include taxes in ROI calculations?▼

A: Ideally yes, for true after-tax ROI. If you owe 20% capital gains tax on $10,000 gain, your net is only $8,000 gain, reducing ROI from 50% to 40%. Always calculate after-tax returns to see what you actually keep.

Q: What ROI should I expect from different investments?▼

A: Historically: bonds ~5%, stocks ~10%, real estate ~8-12% (including appreciation), peer-lending ~6%, savings accounts ~4%. These are averages; individual returns vary. Lower-risk investments naturally have lower average ROI. Higher ROI typically means higher risk.