Evaluate rental property investments with detailed cash flow analysis, key metrics like cap rate and cash-on-cash return, and 10-year equity growth projections. All calculations run in your browser -- your data stays private.
Purchase & Financing
Income & Expenses
Monthly Income
Monthly Expenses
Expense Breakdown
Total Return on Investment (Including Appreciation)
10-Year Projection
| Year | Property Value | Loan Balance | Equity | Annual Cash Flow | Cumulative Cash Flow | Total Return |
|---|
How It Works
Cash-on-Cash Return
Cap Rate
Net Operating Income (NOI)
Debt Service Coverage Ratio
Gross Rent Multiplier (GRM)
Total ROI with Appreciation
Investment Metric Benchmarks
Use these benchmarks to evaluate how your property stacks up. Market conditions and location significantly affect what is considered a "good" return.
| Metric | Poor | Fair | Good | Excellent |
|---|---|---|---|---|
| Cash-on-Cash Return | < 4% | 4-8% | 8-12% | > 12% |
| Cap Rate | < 3% | 3-5% | 5-8% | > 8% |
| DSCR | < 1.0 | 1.0-1.2 | 1.2-1.5 | > 1.5 |
| GRM | > 15 | 10-15 | 6-10 | < 6 |
| Monthly Cash Flow | Negative | $0-100 | $100-300 | > $300 |
| Break-Even Occupancy | > 90% | 80-90% | 65-80% | < 65% |
Understanding Rental Property Returns
Real estate investing offers multiple paths to building wealth. Unlike stocks or bonds, rental properties generate returns through four distinct channels: monthly cash flow, principal paydown on your mortgage, property appreciation, and tax advantages.
Cash flow is the most tangible return. It is the money left over each month after collecting rent and paying all expenses including your mortgage. Positive cash flow means the property pays for itself and puts money in your pocket. Negative cash flow requires you to subsidize the property from other income.
Principal paydown is often overlooked but significant. Each mortgage payment includes a portion that reduces your loan balance, building equity. Over 30 years, your tenants are essentially buying the property for you. In the early years, most of your payment goes to interest, but the equity-building portion grows over time.
Appreciation can substantially boost total returns. While the national average is 3-4% per year, some markets see higher appreciation while others remain flat. Never rely solely on appreciation to justify a deal -- the cash flow should work on its own. Appreciation is a bonus, not a guarantee.
The 1% Rule is a quick screening tool: monthly rent should be at least 1% of the purchase price. A $200,000 property should rent for at least $2,000/month. This is a rough filter and does not replace thorough analysis, but it helps quickly identify properties worth investigating further.
Common Mistakes in Rental Property Analysis
- Underestimating expenses: New investors often forget or underbudget maintenance, vacancies, and capital expenditures. The 50% rule (operating expenses equal roughly 50% of gross rent) is a useful sanity check.
- Ignoring vacancy: Even in strong markets, expect 5-8% vacancy. Turnover costs (cleaning, minor repairs, lost rent during listing) add up quickly. Budget for it.
- Skipping maintenance reserves: Budget 1-2% of property value annually for maintenance. Major systems (roof, HVAC, plumbing) will eventually need replacement. A $250,000 property should set aside $2,500-$5,000 per year.
- Over-relying on appreciation: Markets can stagnate or decline. A property that only works with aggressive appreciation assumptions is speculative, not an investment. The cash flow should be positive or break-even without appreciation.
- Forgetting property management costs: Even if you self-manage, account for 8-10% management cost. You may not always want or be able to manage the property yourself. Self-management has an opportunity cost of your time.
- Not accounting for capital expenditures: Beyond regular maintenance, major items like a new roof ($8,000-$15,000), HVAC system ($5,000-$10,000), or water heater ($1,000-$2,500) will eventually be needed.
Frequently Asked Questions
What is a good cash-on-cash return for rental property?
A good cash-on-cash return for rental property is typically 8-12%. Returns above 12% are considered excellent, while 5-8% is acceptable in high-appreciation markets. Cash-on-cash return measures annual pre-tax cash flow divided by total cash invested, making it one of the most practical metrics for comparing investment properties. In hot markets like coastal cities, investors may accept lower CoC returns (4-6%) if they expect strong appreciation.
How do you calculate cap rate on a rental property?
Cap rate is calculated by dividing the Net Operating Income (NOI) by the property purchase price. For example, if a property generates $12,000 in NOI annually and costs $200,000, the cap rate is 6%. Cap rates of 4-6% are common in prime urban areas, while 8-12% is typical in secondary markets. Cap rate does not account for financing, so it is useful for comparing properties regardless of how they are financed.
What is Net Operating Income (NOI)?
Net Operating Income is the total rental income minus all operating expenses, excluding mortgage payments and income taxes. Operating expenses include property taxes, insurance, maintenance, property management fees, HOA dues, and vacancy loss. NOI is used to calculate cap rate and is a key metric for evaluating property profitability independent of financing terms.
What is a good Debt Service Coverage Ratio (DSCR)?
A DSCR of 1.25 or higher is generally considered good for rental properties. DSCR is calculated by dividing NOI by annual debt service (mortgage payments). A DSCR of 1.0 means the property barely covers its debt payments. Most lenders require a minimum DSCR of 1.2-1.25 to approve investment property loans. Higher DSCR means more cushion against vacancies or unexpected expenses.
How do you account for vacancy in rental property analysis?
Vacancy is typically estimated as a percentage of gross rental income, usually 5-10% for residential properties. A 5% vacancy rate assumes about 18 days vacant per year, while 8% assumes about 29 days. In strong rental markets, 3-5% may be realistic. In weaker markets, budget 10-15%. The break-even occupancy rate tells you the minimum occupancy needed to cover all expenses including mortgage payments.
What expenses should I include when analyzing a rental property?
Key expenses include: property taxes (0.5-2.5% of value annually), homeowner's insurance ($800-$2,000+ per year), maintenance and repairs (1-2% of property value per year), property management (8-12% of rent if hiring a manager), HOA fees (if applicable), and vacancy allowance (5-10% of rent). Many investors use the 50% rule as a quick estimate: operating expenses will roughly equal 50% of gross rental income, not including mortgage payments.
Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are estimates for planning purposes and should not replace professional financial advice.
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Real Estate ROI Calculator FAQ
What is a good cash-on-cash return for rental property?
A good cash-on-cash return for rental property is typically 8-12%. Returns above 12% are considered excellent, while 5-8% is acceptable in high-appreciation markets. Cash-on-cash return measures annual pre-tax cash flow divided by total cash invested, making it one of the most practical metrics for comparing investment properties.
How do you calculate cap rate on a rental property?
Cap rate (capitalization rate) is calculated by dividing the Net Operating Income (NOI) by the property purchase price. For example, if a property generates $12,000 in NOI annually and costs $200,000, the cap rate is 6%. Cap rates of 4-6% are common in prime urban areas, while 8-12% is typical in secondary markets. Cap rate does not account for financing.
What is Net Operating Income (NOI)?
Net Operating Income (NOI) is the total rental income minus all operating expenses, excluding mortgage payments and income taxes. Operating expenses include property taxes, insurance, maintenance, property management fees, HOA dues, and vacancy loss. NOI is used to calculate cap rate and is a key metric for evaluating property profitability independent of financing.
What is a good Debt Service Coverage Ratio (DSCR)?
A DSCR of 1.25 or higher is generally considered good for rental properties. DSCR is calculated by dividing NOI by annual debt service (mortgage payments). A DSCR of 1.0 means the property barely covers its debt payments. Most lenders require a minimum DSCR of 1.2-1.25 to approve investment property loans. Higher DSCR means more cushion against vacancies or unexpected expenses.
How do you account for vacancy in rental property analysis?
Vacancy is typically estimated as a percentage of gross rental income, usually 5-10% for residential properties. A 5% vacancy rate assumes about 18 days vacant per year, while 8% assumes about 29 days. In strong rental markets, 3-5% may be realistic. In weaker markets, budget 10-15%. The break-even occupancy rate tells you the minimum occupancy needed to cover all expenses including mortgage payments.
What expenses should I include when analyzing a rental property?
Key expenses include: property taxes (0.5-2.5% of value annually), homeowner's insurance ($800-$2,000+/year), maintenance and repairs (1-2% of property value per year), property management (8-12% of rent if hiring a manager), HOA fees (if applicable), and vacancy allowance (5-10% of rent). Many investors use the 50% rule as a quick estimate: operating expenses will roughly equal 50% of gross rental income.