Rental Property ROI Calculator
Analyze rental property investments with detailed cash flow, cap rate, cash-on-cash return, expense breakdown, and 30-year ROI projections.
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Property Purchase
$60,000
$9,000
Rental Income & Expenses
Typically 5-10%
Repairs, upkeep, reserves
Investment Analysis
Monthly Cash Flow
-$407
Annual Cash Flow
-$4,881
Cap Rate
4.76%
Cash-on-Cash Return
-7.07%
Total Cash Invested
$69,000
Monthly Mortgage (P&I)
$1,597
Monthly Expense Breakdown
ROI Projection
| Year | Property Value | Equity | Cumulative Cash Flow | Total ROI |
|---|---|---|---|---|
| 5 | $347,782 | $121,866 | -$24,404 | 41% |
| 10 | $403,175 | $197,225 | -$48,807 | 115% |
| 20 | $541,833 | $404,313 | -$97,614 | 344% |
| 30 | $728,179 | $728,179 | -$146,421 | 743% |
This property is $407/month negative cash flow. Consider a higher rent, larger down payment, or lower purchase price.
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How to Use the Rental Property ROI Calculator
This rental property ROI calculator helps you evaluate whether an investment property will be profitable. Enter the purchase details, financing terms, expected rental income, and all operating expenses to see real-time analysis of monthly cash flow, cap rate, cash-on-cash return, and long-term ROI projections.
Understanding the key metrics: Cash flow is your monthly profit after all expenses. Cap rate (capitalization rate) is the property's net operating income divided by purchase price — it shows the unlevered yield. Cash-on-cash return is your annual cash flow divided by the cash you actually invested — it shows the leverage-adjusted return on your money. Total ROI includes equity buildup through mortgage payments, property appreciation, and cumulative cash flow.
Running the numbers accurately: Be conservative with your estimates. Use actual comparable rents from Zillow, Rentometer, or Craigslist — not the listing agent's projections. Include all expenses: property tax (check the county assessor), insurance (get actual quotes), maintenance reserves, HOA if applicable, and vacancy allowance. The biggest mistakes new investors make are overestimating rent and underestimating expenses.
Evaluating the deal: A property that cash flows positively from day one while building equity through appreciation and mortgage paydown is ideal. The 30-year projection table shows how leverage amplifies returns over time. Compare the cash-on-cash return to what you could earn in the stock market (historically 7-10% for the S&P 500) or other investments to make an informed decision.
Frequently Asked Questions
What is a good cap rate for a rental property?
Cap rates vary significantly by market and property type. In major metro areas, 4-6% is common. In smaller cities and suburbs, 6-10% is typical. A higher cap rate generally indicates higher risk but better cash flow potential. Compare cap rates among similar properties in the same market rather than across different markets.
What is cash-on-cash return?
Cash-on-cash return measures your annual cash flow as a percentage of the total cash you invested (down payment + closing costs). For example, if you invest $60,000 and receive $4,800 annual cash flow, your cash-on-cash return is 8%. This metric is more relevant than cap rate for leveraged purchases because it accounts for your financing terms.
How much should I budget for maintenance?
A common rule of thumb is 1% of the property value per year for maintenance reserves. For a $300,000 property, that's $3,000/year or $250/month. Older properties, properties with pools, or those in harsh climates may need 1.5-2%. This should cover routine repairs, appliance replacements, and general upkeep over time.
What vacancy rate should I use?
A 5-8% vacancy rate is standard for most residential rentals. This accounts for turnover time, maintenance between tenants, and occasional prolonged vacancies. In high-demand markets, you might use 3-5%. In college towns or seasonal markets, 10-15% may be more realistic. Your local rental market data is the best guide.
How does appreciation affect total ROI?
Property appreciation is often the largest component of total ROI for leveraged real estate investments. With a 20% down payment, a 3% annual appreciation on a $300,000 property creates $9,000 in value (a 15% return on your $60,000 investment). Over 10-20 years, this leverage effect compounds significantly. However, appreciation is not guaranteed.
What is the 1% rule in real estate investing?
The 1% rule says your monthly rent should be at least 1% of the purchase price. A $300,000 property should rent for at least $3,000/month. This is a quick screening tool — properties meeting this rule are more likely to cash flow positively. In expensive markets, 0.7-0.8% is more common, while some markets exceed 1%.