When Calculating a Loans Effective Rate

Rental Property Cash on Cash Return Calculator .coc-calculator-container { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; background: #ffffff; border: 1px solid #e0e0e0; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); } .coc-calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; } @media (max-width: 600px) { .coc-calc-grid { grid-template-columns: 1fr; } } .coc-input-group { margin-bottom: 15px; } .coc-input-group label { display: block; font-weight: 600; margin-bottom: 5px; color: #333; font-size: 14px; } .coc-input-group input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 16px; box-sizing: border-box; } .coc-input-group input:focus { border-color: #2c7be5; outline: none; } .coc-btn { width: 100%; background-color: #2c7be5; color: white; padding: 15px; border: none; border-radius: 4px; font-size: 18px; font-weight: bold; cursor: pointer; transition: background-color 0.2s; margin-top: 10px; } .coc-btn:hover { background-color: #1a68d1; } .coc-results { margin-top: 25px; padding: 20px; background-color: #f8f9fa; border-radius: 6px; border-left: 5px solid #2c7be5; display: none; } .coc-result-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 16px; color: #555; } .coc-result-row.highlight { font-weight: 800; color: #2c7be5; font-size: 20px; margin-top: 15px; border-top: 1px solid #ddd; padding-top: 10px; } .coc-content { margin-top: 40px; line-height: 1.6; color: #333; } .coc-content h2 { font-size: 24px; margin-bottom: 15px; color: #111; } .coc-content h3 { font-size: 20px; margin-top: 25px; margin-bottom: 10px; color: #222; } .coc-content p { margin-bottom: 15px; } .coc-content ul { margin-bottom: 15px; padding-left: 20px; } .coc-content li { margin-bottom: 8px; }

Investment Details

Monthly Finances

Total Cash Invested: $0.00
Monthly Cash Flow: $0.00
Annual Cash Flow: $0.00
Cash on Cash Return: 0.00%

What is Cash on Cash Return?

Cash on Cash (CoC) Return is a rate of return ratio used in real estate transactions that calculates the cash income earned on the cash invested in a property. Unlike ROI (Return on Investment), which might look at the total value of the asset including debt, CoC strictly measures the performance of the actual cash dollars you put into the deal.

Why Use this Calculator?

Real estate investors use this metric to compare the profitability of different rental properties relative to the capital required to purchase them. It answers the fundamental question: "For every dollar I put into this property, how many cents do I get back each year?"

The Formula

The calculation uses the following formula:

Cash on Cash Return = (Annual Pre-Tax Cash Flow / Total Cash Invested) x 100%

  • Annual Cash Flow: (Monthly Rent – Mortgage – Expenses) × 12
  • Total Cash Invested: Down Payment + Closing Costs + Rehab/Repair Costs

Example Calculation

Imagine you buy a property with the following numbers:

  • Down Payment: $50,000
  • Closing & Rehab: $15,000
  • Total Invested: $65,000
  • Monthly Cash Flow: $500 (Rent minus all expenses)
  • Annual Cash Flow: $6,000 ($500 × 12)

In this scenario, your Cash on Cash Return is ($6,000 / $65,000) = 9.23%.

What is a "Good" Return?

While targets vary by investor and market, many real estate investors look for a Cash on Cash return between 8% and 12%. Returns above 15% are generally considered excellent, while anything below 5% might suggest the capital could be better utilized elsewhere, such as in the stock market or bonds.

function calculateCoC() { // 1. Get Input Values var downPayment = parseFloat(document.getElementById('coc_down_payment').value); var closingCosts = parseFloat(document.getElementById('coc_closing_costs').value); var rehabCosts = parseFloat(document.getElementById('coc_rehab_costs').value); var monthlyRent = parseFloat(document.getElementById('coc_monthly_rent').value); var monthlyMortgage = parseFloat(document.getElementById('coc_monthly_mortgage').value); var monthlyExpenses = parseFloat(document.getElementById('coc_monthly_expenses').value); // 2. Validate Inputs (Treat empty or NaN as 0 for smoother UX, or alert) if (isNaN(downPayment)) downPayment = 0; if (isNaN(closingCosts)) closingCosts = 0; if (isNaN(rehabCosts)) rehabCosts = 0; if (isNaN(monthlyRent)) monthlyRent = 0; if (isNaN(monthlyMortgage)) monthlyMortgage = 0; if (isNaN(monthlyExpenses)) monthlyExpenses = 0; // 3. Perform Calculations // Total Cash Invested var totalInvested = downPayment + closingCosts + rehabCosts; // Monthly Cash Flow var monthlyCashFlow = monthlyRent – monthlyMortgage – monthlyExpenses; // Annual Cash Flow var annualCashFlow = monthlyCashFlow * 12; // Cash on Cash Return Percent var cocReturn = 0; if (totalInvested > 0) { cocReturn = (annualCashFlow / totalInvested) * 100; } else { cocReturn = 0; // Avoid division by zero } // 4. Update UI // Helper function for currency formatting var formatter = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD', }); document.getElementById('res_total_invested').innerText = formatter.format(totalInvested); document.getElementById('res_monthly_flow').innerText = formatter.format(monthlyCashFlow); document.getElementById('res_annual_flow').innerText = formatter.format(annualCashFlow); // Color coding for negative flow var flowElement = document.getElementById('res_monthly_flow'); if(monthlyCashFlow < 0) { flowElement.style.color = 'red'; } else { flowElement.style.color = 'green'; } // Return Percentage document.getElementById('res_coc_percent').innerText = cocReturn.toFixed(2) + "%"; // Show results section document.getElementById('coc_results_area').style.display = 'block'; }

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