50
%
$25,000.00
14.47
%
1.5
x
$21,250.00
11.14
%
$694.44
50
%
$25,000.00
14.47
%
1.5
x
$21,250.00
11.14
%
$694.44
The ROI Calculator (Return on Investment) measures the profitability and efficiency of an investment by comparing the net gain to the total cost. ROI is the most universal and straightforward profitability metric used in business and personal finance, applicable to everything from stock investments and real estate to business projects and marketing campaigns.
The basic ROI formula — (Gain - Cost) / Cost × 100 — provides an intuitive percentage that shows how much profit you earned relative to what you invested. A positive ROI means you made money; a negative ROI means you lost money. The higher the ROI, the more profitable the investment.
However, basic ROI has a critical limitation: it does not account for time. A 50% ROI over 1 year is far superior to a 50% ROI over 10 years. This is why our calculator also computes the annualized ROI, which normalizes returns to a per-year basis using the CAGR formula, enabling fair comparisons between investments of different durations.
For example, investing $50,000 that returns $75,000 after 3 years yields a basic ROI of 50% and a net profit of $25,000. The annualized ROI is approximately 14.47%, providing a meaningful comparison against benchmarks like the stock market's historical 10% annual return.
ROI is widely used in corporate decision-making for evaluating capital projects, marketing spend, technology investments, and hiring decisions. In personal finance, it helps compare real estate purchases, education costs, business opportunities, and investment alternatives. The profit-to-cost ratio offers another perspective, showing how many dollars you earn for every dollar invested.
The ROI formula is: ROI = (Total Return - Total Cost) / Total Cost × 100. The annualized ROI uses the CAGR formula: Annualized ROI = (Return / Cost)^(1/years) - 1. The profit-to-cost ratio is simply Net Profit / Cost.
An ROI above 0% means the investment was profitable. Compare your annualized ROI to benchmarks: savings accounts (4-5%), bonds (3-5%), stock market (8-10%), real estate (8-12%). A profit-to-cost ratio above 1.0 means you more than doubled your money.
Inputs
Results
$50K investment returning $75K after 3 years
Inputs
Results
$200K property sold for $350K after 7 years
A good ROI depends on the context. For stocks, 10%+ annually is strong. For real estate, 8-12% annually. For business projects, anything above the company's cost of capital (typically 8-15%) creates value.
ROI measures return relative to total investment cost. Profit margin measures profit relative to revenue. ROI evaluates the efficiency of an investment, while profit margin evaluates the efficiency of operations.
Yes, a negative ROI means you lost money on the investment. If you invested $10,000 and received back $8,000, your ROI is -20%.
Annualized ROI converts total ROI into a per-year rate using the compound growth formula. This allows fair comparison between investments held for different time periods.
Ideally, yes. For accurate ROI, include all costs: purchase price, fees, taxes, maintenance, and opportunity costs. Understating costs leads to inflated ROI figures.
Calculate ROI for each potential project or investment. Rank them by ROI (or annualized ROI for different time horizons). Invest in the highest-ROI options that align with your strategy and risk tolerance.
ROI gives a simple percentage return. IRR (Internal Rate of Return) accounts for the timing of cash flows and is more appropriate for projects with multiple cash flows over time.
No, basic ROI does not account for risk. Two investments with the same ROI can have very different risk levels. Use risk-adjusted metrics like Sharpe ratio for risk-inclusive analysis.
Include all costs (purchase price, closing costs, renovations, maintenance, property taxes, insurance) as the investment. Include all returns (sale price, rental income) as the gain. The difference is your net profit for ROI calculation.
No. ROI is total percentage return without time normalization. CAGR is the annualized compound growth rate. However, annualized ROI (as shown in this calculator) is mathematically equivalent to CAGR.
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