Interest Rate on a Savings Account Calculator

#roi-calculator-wrap { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: #333; max-width: 900px; margin: 20px auto; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #f9f9f9; } .calc-section { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 25px; } @media (max-width: 600px) { .calc-section { grid-template-columns: 1fr; } } .input-group { margin-bottom: 15px; } .input-group label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 14px; } .input-group input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } .calc-btn { background-color: #0073aa; color: white; padding: 12px 24px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; font-weight: bold; width: 100%; margin-top: 10px; } .calc-btn:hover { background-color: #005177; } #roi-results { margin-top: 25px; padding: 20px; background-color: #fff; border: 2px solid #0073aa; border-radius: 8px; } .result-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #eee; } .result-item:last-child { border-bottom: none; } .result-label { font-weight: 600; } .result-value { font-weight: 700; color: #0073aa; } .article-content { margin-top: 40px; line-height: 1.6; color: #444; } .article-content h2 { color: #222; border-bottom: 2px solid #0073aa; padding-bottom: 5px; } .article-content h3 { margin-top: 25px; } .example-box { background-color: #fff8e1; padding: 15px; border-left: 5px solid #ffc107; margin: 20px 0; }

Investment Property ROI Calculator

Evaluate the profitability of your next real estate investment with precision.

Acquisition Costs

Income & Operating Expenses

Financial Performance Summary

Total Cash Needed (Initial Investment):
Monthly Mortgage Payment (P&I):
Net Monthly Cash Flow:
Cap Rate:
Cash-on-Cash ROI:

How to Calculate ROI on Investment Property

Investing in real estate is one of the most proven ways to build wealth, but not every property is a winner. To determine if a rental property is a sound financial decision, you need to look beyond the surface level "gross rent" and dive into the specific metrics that define profitability. This Investment Property ROI Calculator helps you analyze the numbers that matter most.

Understanding Key Real Estate Metrics

  • Cash-on-Cash Return (CoC ROI): This is the most critical metric for rental property investors. It measures the annual cash flow relative to the actual amount of "cash out of pocket" you spent to acquire the property (down payment, closing costs, and repairs).
  • Cap Rate (Capitalization Rate): This measures the property's natural rate of return without considering financing. It is calculated by dividing the Net Operating Income (NOI) by the purchase price.
  • Net Operating Income (NOI): This is your total annual income minus all operating expenses (taxes, insurance, maintenance), excluding mortgage payments.
  • Monthly Cash Flow: The "pure profit" left over every month after all bills—including the mortgage—have been paid.

Realistic ROI Example:

Imagine you buy a duplex for $300,000. You put 20% down ($60,000), pay $6,000 in closing costs, and spend $4,000 on paint and carpets. Your total cash invested is $70,000.

If the monthly rent is $2,800 and all expenses (including the mortgage) total $2,200, your monthly cash flow is $600. Your annual cash flow is $7,200.

ROI Calculation: $7,200 / $70,000 = 10.28% Cash-on-Cash ROI.

The Formula for ROI in Real Estate

The standard formula used in this calculator for Cash-on-Cash Return is:

ROI = (Annual Net Cash Flow / Total Cash Invested) x 100

Where "Total Cash Invested" includes your down payment, closing costs, and initial renovation budget. This is more accurate than simple ROI because it reflects the actual liquidity you are using to generate the return.

Factors That Influence Your Return

When using the calculator, keep in mind that variables can change. Property taxes often increase after a sale, and maintenance is rarely a flat monthly fee. It is wise to budget 5-10% of gross rent for maintenance and 5-10% for potential vacancies. By being conservative with your expense estimates, you ensure that the calculated ROI is a "worst-case" or "realistic" scenario rather than a "best-case" fantasy.

function calculateROI() { // Inputs var purchasePrice = parseFloat(document.getElementById('purchasePrice').value) || 0; var closingCosts = parseFloat(document.getElementById('closingCosts').value) || 0; var repairCosts = parseFloat(document.getElementById('repairCosts').value) || 0; var downPaymentPercent = parseFloat(document.getElementById('downPaymentPercent').value || document.getElementById('downPayment').value) || 0; var interestRate = parseFloat(document.getElementById('interestRate').value) || 0; var monthlyRent = parseFloat(document.getElementById('monthlyRent').value) || 0; var monthlyTax = parseFloat(document.getElementById('monthlyTax').value) || 0; var monthlyInsurance = parseFloat(document.getElementById('monthlyInsurance').value) || 0; var monthlyMaint = parseFloat(document.getElementById('monthlyMaint').value) || 0; var monthlyOther = parseFloat(document.getElementById('monthlyOther').value) || 0; // Calculation Logic var downPaymentAmount = purchasePrice * (downPaymentPercent / 100); var totalCashInvested = downPaymentAmount + closingCosts + repairCosts; var loanAmount = purchasePrice – downPaymentAmount; // Mortgage Calculation (Amortization) var monthlyMortgage = 0; if (loanAmount > 0) { if (interestRate > 0) { var monthlyRate = (interestRate / 100) / 12; var numberOfPayments = 30 * 12; // Standard 30-year fixed monthlyMortgage = loanAmount * (monthlyRate * Math.pow(1 + monthlyRate, numberOfPayments)) / (Math.pow(1 + monthlyRate, numberOfPayments) – 1); } else { monthlyMortgage = loanAmount / (30 * 12); } } // Operating Expenses var totalMonthlyOperatingExpenses = monthlyTax + monthlyInsurance + monthlyMaint + monthlyOther; var netMonthlyCashFlow = monthlyRent – totalMonthlyOperatingExpenses – monthlyMortgage; var annualCashFlow = netMonthlyCashFlow * 12; // ROI and Cap Rate var cocROI = 0; if (totalCashInvested > 0) { cocROI = (annualCashFlow / totalCashInvested) * 100; } var annualNOI = (monthlyRent – totalMonthlyOperatingExpenses) * 12; var capRate = 0; if (purchasePrice > 0) { capRate = (annualNOI / purchasePrice) * 100; } // Display Results document.getElementById('roi-results').style.display = 'block'; document.getElementById('resTotalCash').innerText = '$' + totalCashInvested.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resMortgage').innerText = '$' + monthlyMortgage.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resCashFlow').innerText = '$' + netMonthlyCashFlow.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resCapRate').innerText = capRate.toFixed(2) + '%'; document.getElementById('resROI').innerText = cocROI.toFixed(2) + '%'; // Smooth scroll to results document.getElementById('roi-results').scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

Leave a Comment