Rental Property ROI Calculator
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Rental Property ROI Calculator
Analyze the profitability of potential real estate investments including Cash on Cash Return and Cap Rate.
Cash on Cash Return
0.00%
Monthly Cash Flow:
$0.00
Cap Rate:
0.00%
Monthly Mortgage Payment:
$0.00
Total Cash Invested:
$0.00
Annual Net Operating Income (NOI):
$0.00
Understanding Rental Property ROI
Investing in real estate is one of the most reliable ways to build wealth, but not every property is a good deal. To ensure you are making a wise investment, you must analyze the numbers objectively. This Rental Property ROI Calculator helps you determine the profitability of a potential purchase by looking at key metrics like Cash Flow, Cap Rate, and Cash on Cash Return.
Key Metrics Explained
1. Cash Flow
Cash flow is the profit you bring in each month after all expenses are paid. It is calculated as:
Cash Flow = Total Rental Income – (Mortgage + Operating Expenses)
Operating expenses include property taxes, insurance, HOA fees, maintenance reserves, and vacancy allowances. Positive cash flow ensures the property pays for itself and provides passive income.
2. Cash on Cash Return (CoC)
Cash on Cash Return is widely considered the most important metric for rental investors because it measures the return on the actual cash you invested (down payment, closing costs, and repairs), rather than the total price of the property.
CoC Return = (Annual Pre-Tax Cash Flow / Total Cash Invested) × 100
For example, if you invest $50,000 cash to buy a property and it generates $5,000 in positive cash flow per year, your CoC return is 10%. This allows you to compare real estate returns against other investments like stocks or bonds.
3. Capitalization Rate (Cap Rate)
Cap Rate measures the natural rate of return of the property assuming you bought it in cash (no mortgage). It is useful for comparing the profitability of similar properties regardless of financing.
Cap Rate = (Net Operating Income / Property Asset Value) × 100
Net Operating Income (NOI) is your income minus expenses, excluding mortgage payments. A higher Cap Rate generally indicates a better return, though it may come with higher risk (e.g., properties in lower-income areas often have higher Cap Rates).
What is a Good ROI for Rental Property?
A "good" ROI is subjective and depends on your investment strategy and risk tolerance:
- Cash Flow: Many investors aim for at least $100-$200 per door in pure profit monthly.
- Cash on Cash Return: A return of 8-12% is often considered solid. Anything above 15% is typically considered excellent.
- The "1% Rule": A quick rule of thumb used by investors is that the monthly rent should be at least 1% of the purchase price. For example, a $200,000 home should rent for at least $2,000.
Factors That Affect Your Returns
Several variables can drastically change your calculator results. Always verify your inputs:
- Vacancy Rate: Always budget for the property sitting empty for a few weeks a year (typically 5-8% of rent).
- Maintenance: Older homes require more repairs. Budgeting 10% of rent for repairs is prudent.
- Interest Rates: Even a 1% difference in mortgage rates can turn a positive cash flow property into a negative one.
Use the calculator above to adjust these variables and see how sensitive your investment is to changes in the market.
function validateInput(element) {
// Simple validation to ensure positive numbers
if (element.value 0) {
mortgagePayment = loanAmount * (monthlyRate * Math.pow(1 + monthlyRate, numberOfPayments)) / (Math.pow(1 + monthlyRate, numberOfPayments) – 1);
} else {
mortgagePayment = loanAmount / numberOfPayments;
}
// Cash Flow Logic
var totalMonthlyOutflow = mortgagePayment + monthlyExpenses;
var monthlyCashFlow = rent – totalMonthlyOutflow;
var annualCashFlow = monthlyCashFlow * 12;
// Cash Invested Logic
var totalCashInvested = downPaymentAmount + closingCosts + repairCosts;
// NOI Logic (Income – Operating Expenses, NO Mortgage)
var annualNOI = (rent – monthlyExpenses) * 12;
// Metrics
var cashOnCash = 0;
if (totalCashInvested > 0) {
cashOnCash = (annualCashFlow / totalCashInvested) * 100;
}
// Cap Rate (NOI / Cost Basis). Cost Basis usually = Purchase Price + Repairs
var costBasis = price + repairCosts;
var capRate = 0;
if (costBasis > 0) {
capRate = (annualNOI / costBasis) * 100;
}
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document.getElementById('cocResult').innerText = cashOnCash.toFixed(2) + '%';
document.getElementById('cocResult').style.color = cashOnCash >= 0 ? '#27ae60' : '#c0392b';
document.getElementById('cashFlowResult').innerText = formatter.format(monthlyCashFlow);
document.getElementById('cashFlowResult').className = monthlyCashFlow >= 0 ? 'result-value positive' : 'result-value negative';
document.getElementById('capRateResult').innerText = capRate.toFixed(2) + '%';
document.getElementById('mortgageResult').innerText = formatter.format(mortgagePayment);
document.getElementById('totalInvestedResult').innerText = formatter.format(totalCashInvested);
document.getElementById('noiResult').innerText = formatter.format(annualNOI);
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}