Dscr Calculation Formula

DSCR Calculation Formula Explained & Calculator :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; } h1 { margin-bottom: 10px; } h2 { margin-top: 30px; margin-bottom: 15px; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } h3 { margin-top: 20px; margin-bottom: 10px; } .loan-calc-container { background-color: var(–card-background); padding: 25px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { width: calc(100% – 22px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; box-sizing: border-box; font-size: 1rem; } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: red; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .error-message.visible { display: block; } button { background-color: var(–primary-color); color: white; border: none; padding: 12px 20px; border-radius: 5px; cursor: pointer; font-size: 1rem; margin-right: 10px; transition: background-color 0.3s ease; } button:hover { background-color: #003366; } button.reset-button { background-color: #6c757d; } button.reset-button:hover { background-color: #5a6268; } button.copy-button { background-color: #17a2b8; } button.copy-button:hover { background-color: #138496; } #results { margin-top: 30px; padding: 20px; background-color: var(–primary-color); color: white; border-radius: 8px; text-align: center; box-shadow: var(–shadow); } #results h3 { color: white; margin-top: 0; } #results .main-result { font-size: 2.5em; font-weight: bold; margin: 10px 0; color: var(–success-color); } #results .intermediate-results div, #results .key-assumptions div { margin-top: 10px; font-size: 0.95em; } #results .intermediate-results span, #results .key-assumptions span { font-weight: bold; } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; padding: 10px; background-color: #e9ecef; border-radius: 4px; text-align: center; } table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(–shadow); } th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; caption-side: top; text-align: left; } canvas { display: block; margin: 20px auto; background-color: var(–card-background); border-radius: 4px; box-shadow: var(–shadow); } .article-content { margin-top: 40px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); } .article-content p, .article-content ul, .article-content ol { margin-bottom: 15px; } .article-content li { margin-bottom: 8px; } .article-content a { color: var(–primary-color); text-decoration: none; } .article-content a:hover { text-decoration: underline; } .faq-item { margin-bottom: 15px; border-left: 3px solid var(–primary-color); padding-left: 10px; } .faq-item strong { color: var(–primary-color); } .related-tools { margin-top: 30px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } .related-tools ul { list-style: none; padding: 0; } .related-tools li { margin-bottom: 10px; } .related-tools a { font-weight: bold; } .related-tools p { font-size: 0.9em; color: #555; margin-top: 5px; } .highlight { background-color: var(–success-color); color: white; padding: 2px 5px; border-radius: 3px; } .text-center { text-align: center; } .text-primary { color: var(–primary-color); }

DSCR Calculation Formula & Calculator

Your essential tool for understanding and calculating the Debt Service Coverage Ratio (DSCR).

DSCR Calculator

The Debt Service Coverage Ratio (DSCR) measures a company's or property's ability to cover its debt obligations with its operating income. A DSCR of 1.0 means the income exactly equals the debt payments. Higher is generally better.
Total income after operating expenses, before debt service and taxes.
Total principal and interest payments due annually.

DSCR Results

NOI: —
Annual Debt Service: —
Coverage: —

Key Assumptions

NOI:
Annual Debt Service:

DSCR vs. Debt Service Capacity

Visualizing NOI and Debt Service relative to DSCR thresholds.

DSCR Scenarios

DSCR Performance Under Varying NOI
NOI Scenario Annual Debt Service Calculated DSCR Interpretation

What is the DSCR Calculation Formula?

The DSCR calculation formula, or Debt Service Coverage Ratio, is a critical financial metric used by lenders, investors, and business owners to assess the ability of an entity (like a business or a real estate property) to generate enough cash flow to cover its debt obligations. In simpler terms, it answers the question: "Can the income generated by this asset or business pay for the loans associated with it?" A DSCR above 1.0 indicates that the entity is generating more income than needed to service its debt, while a DSCR below 1.0 suggests potential difficulty in meeting debt payments.

Who Should Use the DSCR Calculation Formula?

The DSCR is widely used across various financial contexts:

  • Lenders: Banks and financial institutions use DSCR to evaluate the risk associated with lending money. A higher DSCR generally means a lower risk of default.
  • Real Estate Investors: Property owners and potential buyers use DSCR to determine if a property's rental income is sufficient to cover mortgage payments and other property-related debts. This is a cornerstone of real estate investment analysis.
  • Business Owners: Companies use DSCR to monitor their financial health, particularly when managing loans or seeking new financing. It helps in understanding cash flow management and operational efficiency.
  • Commercial Property Owners: Essential for understanding the viability of commercial leases and their ability to service loans secured by the property.
  • Syndicators and Fund Managers: When pooling investor capital for large projects, DSCR is a key performance indicator (KPI) for demonstrating the project's financial stability.

Common Misconceptions about DSCR

Several misunderstandings can arise regarding the DSCR:

  • DSCR = Profitability: While related, DSCR is not the same as profitability. A company can be profitable but still have a low DSCR if its debt obligations are very high relative to its cash flow. DSCR specifically focuses on debt repayment capacity.
  • 1.0 is Always "Good Enough": While a DSCR of 1.0 means debt is covered, it leaves no room for error, unexpected expenses, or fluctuations in income. Lenders often require a DSCR significantly above 1.0 (e.g., 1.20 or higher) to provide a safety buffer.
  • Only for New Loans: DSCR is a dynamic metric. It should be calculated and monitored regularly for existing loans and ongoing business operations, not just during the loan application process.
  • Ignoring Operating Expenses: Some may mistakenly use gross income instead of Net Operating Income (NOI) or Earnings Before Interest, Taxes, Depreciation, and Amortization (EBITDA) in the numerator. The DSCR calculation formula requires income *after* essential operating expenses.

DSCR Formula and Mathematical Explanation

The core of understanding the DSCR calculation formula lies in its straightforward mathematical representation. It compares the cash flow available to pay debt obligations against the actual debt obligations.

The Basic DSCR Formula

The most common formula for DSCR is:

DSCR = Net Operating Income / Annual Debt Service

Step-by-Step Derivation and Variable Explanations

  1. Calculate Net Operating Income (NOI): This is the property's or business's income after deducting all operating expenses but *before* accounting for debt service, income taxes, depreciation, and amortization. For real estate, it's typically Gross Rental Income minus Vacancy & Credit Loss, minus Operating Expenses (property taxes, insurance, management fees, utilities, repairs, etc.). For businesses, it's often represented by EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) or a similar cash flow metric.
  2. Determine Annual Debt Service: This is the total amount of principal and interest payments required over a one-year period for all outstanding debts related to the asset or business. This includes mortgage payments, loan installments, and any other scheduled debt repayments.
  3. Divide NOI by Annual Debt Service: The result of this division is the DSCR.

DSCR Variables Table

Understanding the components is key to accurate dscr calculation formula application.

DSCR Formula Variables
Variable Meaning Unit Typical Range / Notes
Net Operating Income (NOI) Cash flow available after operating expenses, before debt service and taxes. Currency (e.g., USD, EUR) Varies greatly by asset/business. Must be positive for meaningful DSCR.
Annual Debt Service Total principal and interest payments due annually. Currency (e.g., USD, EUR) Must be positive. Represents the total financial obligation.
DSCR Ratio of available income to debt obligations. Ratio (e.g., 1.25) >1.0 is generally considered healthy. <1.0 indicates a shortfall.

Practical Examples (Real-World Use Cases)

Let's illustrate the DSCR calculation formula with practical scenarios:

Example 1: Real Estate Investment Property

An investor is considering purchasing a small apartment building. They gather the following financial data:

  • Gross Annual Rental Income: $150,000
  • Vacancy & Credit Loss (5%): $7,500
  • Operating Expenses (Taxes, Insurance, Maintenance, Management): $42,500
  • Proposed Annual Mortgage Payment (Principal & Interest): $70,000

Calculation:

  1. NOI = ($150,000 – $7,500) – $42,500 = $100,000
  2. Annual Debt Service = $70,000
  3. DSCR = $100,000 / $70,000 = 1.43

Interpretation: The DSCR of 1.43 suggests the property is projected to generate 1.43 times the income needed to cover its annual mortgage payments. This is a healthy ratio, indicating good debt service coverage and potentially attractive to lenders.

Example 2: Small Business Loan Application

A small manufacturing business is applying for a loan and needs to demonstrate its ability to repay. Their financial statements show:

  • EBITDA (proxy for NOI): $250,000
  • Annual Loan Payments (new loan + existing): $180,000

Calculation:

  1. NOI (EBITDA) = $250,000
  2. Annual Debt Service = $180,000
  3. DSCR = $250,000 / $180,000 = 1.39

Interpretation: The business has a DSCR of 1.39. This indicates it can cover its debt obligations 1.39 times over. This ratio is generally acceptable for a business loan, showing sufficient cash flow to manage the debt burden.

Example 3: A Property with Tight Margins

Consider another property scenario:

  • NOI: $90,000
  • Annual Debt Service: $85,000

Calculation:

  1. DSCR = $90,000 / $85,000 = 1.06

Interpretation: A DSCR of 1.06 is barely above 1.0. While technically covering the debt, it leaves very little cushion for unexpected vacancies, repairs, or economic downturns. Lenders might find this ratio too risky and could require a larger down payment or a lower loan amount.

How to Use This DSCR Calculator

Our interactive DSCR calculation formula calculator simplifies the process. Follow these steps:

  1. Input Annual Net Operating Income (NOI): Enter the total annual income generated by the property or business after deducting all operating expenses, but before debt service and taxes.
  2. Input Annual Debt Service: Enter the total amount of principal and interest payments due over the year for all relevant loans.
  3. Calculate: Click the "Calculate DSCR" button.

How to Read Results:

  • Primary DSCR Result: This is the main output, showing the calculated ratio. A value above 1.0 is generally positive.
  • Intermediate Values: These show the inputs used (NOI and Annual Debt Service) and a simple interpretation (e.g., "Adequate Coverage," "Potential Shortfall").
  • Key Assumptions: Reconfirms the values you entered.
  • Chart: Provides a visual representation comparing your NOI and Debt Service against key DSCR thresholds.
  • Table: Shows how DSCR changes under different NOI scenarios, offering a sensitivity analysis.

Decision-Making Guidance:

  • DSCR > 1.25: Generally considered strong coverage. Lenders are likely comfortable.
  • DSCR between 1.0 and 1.25: Acceptable, but may indicate higher risk or require closer scrutiny by lenders.
  • DSCR < 1.0: Indicates insufficient income to cover debt payments. This is a significant red flag for lenders and investors, suggesting potential default risk.

Use the "Copy Results" button to easily share your findings or save them for your records. The "Reset" button allows you to quickly start over with default values.

Key Factors That Affect DSCR Results

Several elements can significantly influence the DSCR calculation formula outcome:

  1. Operating Expense Management: Higher operating expenses directly reduce NOI, thus lowering the DSCR. Efficient cost control is crucial. This includes managing property taxes, insurance premiums, and maintenance costs.
  2. Rental Income Fluctuations (Real Estate): Vacancy rates, tenant turnover, and the ability to increase rents impact NOI. A stable, high occupancy rate with consistent rent collection is vital.
  3. Revenue Growth (Businesses): Increased sales and revenue, assuming controlled expenses, lead to higher NOI and a better DSCR. Economic conditions, market demand, and competitive landscape play a role.
  4. Interest Rate Environment: For variable-rate loans, rising interest rates increase the annual debt service, which can decrease the DSCR even if NOI remains constant. This highlights the importance of interest rate risk management.
  5. Loan Terms and Structure: The amount borrowed, the interest rate, and the repayment period (loan amortization schedule) directly determine the annual debt service. Longer terms or higher rates increase debt service.
  6. Inflation and Cost Increases: Inflation can increase operating expenses faster than income, potentially squeezing NOI and reducing DSCR over time.
  7. Capital Expenditures: Major repairs or upgrades (CapEx) might be expensed over time (depreciation) or paid for upfront. Significant upfront CapEx not financed could reduce available cash flow, impacting DSCR if not properly accounted for in NOI calculations.
  8. Tax Regulations: Changes in tax laws can affect net income and the deductibility of certain expenses, indirectly influencing the cash flow available for debt service.

Frequently Asked Questions (FAQ)

Q1: What is the ideal DSCR?
A: While a DSCR of 1.0 means debt is covered, lenders typically prefer a DSCR of 1.20 or higher to ensure a safety margin. The "ideal" DSCR can vary by industry, lender, and perceived risk.
Q2: Can DSCR be negative?
A: Yes, if the Net Operating Income (or equivalent cash flow) is negative, meaning expenses exceed income. A negative DSCR indicates a significant inability to cover debt payments.
Q3: How does DSCR differ from Debt-to-Equity Ratio?
A: Debt-to-Equity is a balance sheet ratio measuring total liabilities against shareholder equity, indicating leverage. DSCR is an income statement/cash flow ratio measuring the ability to service debt from operating income over a period.
Q4: Should I use EBITDA or Net Income for DSCR?
A: It depends on the context. For real estate, NOI is standard. For businesses, lenders often prefer EBITDA because it excludes interest, taxes, depreciation, and amortization, providing a clearer picture of operating cash flow available for debt service. Some lenders might use EBIT (Earnings Before Interest and Taxes) or Net Income adjusted for non-cash items. Always clarify with your lender.
Q5: What if my NOI fluctuates significantly?
A: Lenders often look at historical DSCR trends and may average NOI over several years (e.g., 3-5 years) to smooth out fluctuations and assess long-term stability. They might also require a higher minimum DSCR.
Q6: Does DSCR account for principal repayment?
A: Yes, the "Annual Debt Service" component of the DSCR calculation formula typically includes both the principal and interest portions of loan payments. This is crucial as principal repayment reduces the loan balance over time.
Q7: How often should DSCR be calculated?
A: For businesses, it's often calculated quarterly or annually. For real estate investors, it's typically assessed annually or upon refinancing/sale, but monitoring cash flow monthly is advisable.
Q8: Can DSCR be used for personal loans?
A: Not directly. DSCR is primarily for business and investment properties where there's a clear operating income stream tied to specific debt. Personal loan affordability is usually assessed using debt-to-income ratios (DTI) and credit scores.

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var annualNetOperatingIncomeInput = document.getElementById('annualNetOperatingIncome'); var annualDebtServiceInput = document.getElementById('annualDebtService'); var dscrResultDiv = document.getElementById('dscrResult'); var noiValueDiv = document.getElementById('noiValue'); var debtServiceValueDiv = document.getElementById('debtServiceValue'); var coverageExplanationDiv = document.getElementById('coverageExplanation'); var assumNOISpan = document.getElementById('assumNOI'); var assumDebtServiceSpan = document.getElementById('assumDebtService'); var dscrChartCanvas = document.getElementById('dscrChart'); var dscrTableBody = document.getElementById('dscrTableBody'); var chartInstance = null; function validateInput(inputId, errorId, minValue = null, maxValue = null) { var input = document.getElementById(inputId); var errorSpan = document.getElementById(errorId); var value = parseFloat(input.value); var isValid = true; errorSpan.classList.remove('visible'); errorSpan.textContent = "; if (isNaN(value)) { errorSpan.textContent = 'Please enter a valid number.'; isValid = false; } else if (minValue !== null && value maxValue) { errorSpan.textContent = 'Value exceeds maximum limit.'; isValid = false; } if (!isValid) { input.style.borderColor = 'red'; } else { input.style.borderColor = '#ddd'; } return isValid; } function calculateDSCR() { var validNOI = validateInput('annualNetOperatingIncome', 'errAnnualNetOperatingIncome', 0); var validDebtService = validateInput('annualDebtService', 'errAnnualDebtService', 0); if (!validNOI || !validDebtService) { dscrResultDiv.textContent = 'Invalid Input'; noiValueDiv.textContent = 'NOI: –'; debtServiceValueDiv.textContent = 'Annual Debt Service: –'; coverageExplanationDiv.textContent = 'Coverage: –'; updateChart([], []); clearTable(); return; } var noi = parseFloat(annualNetOperatingIncomeInput.value); var debtService = parseFloat(annualDebtServiceInput.value); var dscr = 0; var coverageText = "; if (debtService > 0) { dscr = noi / debtService; } else if (noi > 0) { dscr = Infinity; // Technically infinite coverage if no debt } else { dscr = 0; // No income, no debt, or negative income } if (dscr === Infinity) { coverageText = 'Excellent Coverage (No Debt)'; } else if (dscr >= 1.25) { coverageText = 'Strong Coverage'; } else if (dscr >= 1.0) { coverageText = 'Adequate Coverage'; } else { coverageText = 'Potential Shortfall'; } dscrResultDiv.textContent = dscr.toFixed(2); noiValueDiv.textContent = 'NOI: ' + noi.toLocaleString(undefined, { style: 'currency', currency: 'USD' }); debtServiceValueDiv.textContent = 'Annual Debt Service: ' + debtService.toLocaleString(undefined, { style: 'currency', currency: 'USD' }); coverageExplanationDiv.textContent = 'Coverage: ' + coverageText; assumNOISpan.textContent = noi.toLocaleString(undefined, { style: 'currency', currency: 'USD' }); assumDebtServiceSpan.textContent = debtService.toLocaleString(undefined, { style: 'currency', currency: 'USD' }); updateChart(noi, debtService); updateTable(noi, debtService); } function resetCalculator() { annualNetOperatingIncomeInput.value = '100000'; annualDebtServiceInput.value = '75000'; document.getElementById('errAnnualNetOperatingIncome').classList.remove('visible'); document.getElementById('errAnnualDebtService').classList.remove('visible'); annualNetOperatingIncomeInput.style.borderColor = '#ddd'; annualDebtServiceInput.style.borderColor = '#ddd'; calculateDSCR(); } function copyResults() { var noi = parseFloat(annualNetOperatingIncomeInput.value); var debtService = parseFloat(annualDebtServiceInput.value); var dscr = (debtService > 0) ? (noi / debtService) : (noi > 0 ? Infinity : 0); var coverageText = "; if (dscr === Infinity) { coverageText = 'Excellent Coverage (No Debt)'; } else if (dscr >= 1.25) { coverageText = 'Strong Coverage'; } else if (dscr >= 1.0) { coverageText = 'Adequate Coverage'; } else { coverageText = 'Potential Shortfall'; } var resultText = "DSCR Calculation Results:\n\n" + "Primary Result (DSCR): " + (isNaN(dscr) ? "N/A" : (dscr === Infinity ? "Infinity" : dscr.toFixed(2))) + "\n" + "Coverage: " + coverageText + "\n\n" + "Key Assumptions:\n" + " – Annual Net Operating Income (NOI): " + noi.toLocaleString(undefined, { style: 'currency', currency: 'USD' }) + "\n" + " – Annual Debt Service: " + debtService.toLocaleString(undefined, { style: 'currency', currency: 'USD' }); try { navigator.clipboard.writeText(resultText).then(function() { alert('Results copied to clipboard!'); }, function(err) { console.error('Could not copy text: ', err); prompt('Copy this text manually:', resultText); }); } catch (e) { console.error('Clipboard API not available: ', e); prompt('Copy this text manually:', resultText); } } function updateChart(currentNOI, currentDebtService) { var ctx = dscrChartCanvas.getContext('2d'); // Clear previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var noi = parseFloat(annualNetOperatingIncomeInput.value) || 0; var debtService = parseFloat(annualDebtServiceInput.value) || 0; // Generate data points for the chart var labels = ['Current Scenario']; var noiData = [noi]; var debtServiceData = [debtService]; var dscrValues = []; if (debtService > 0) { dscrValues.push(noi / debtService); } else { dscrValues.push(noi > 0 ? Infinity : 0); } // Add some scenario points var scenarios = [ { noiMultiplier: 0.8, label: '80% NOI' }, { noiMultiplier: 1.0, label: '100% NOI' }, { noiMultiplier: 1.2, label: '120% NOI' }, { noiMultiplier: 1.5, label: '150% NOI' } ]; scenarios.forEach(function(scenario) { labels.push(scenario.label); var scenarioNOI = noi * scenario.noiMultiplier; var scenarioDSCR = 0; if (debtService > 0) { scenarioDSCR = scenarioNOI / debtService; } else { scenarioDSCR = scenarioNOI > 0 ? Infinity : 0; } noiData.push(scenarioNOI); debtServiceData.push(debtService); // Debt service remains constant in these scenarios dscrValues.push(scenarioDSCR); }); // Add a scenario for increased debt labels.push('120% Debt'); noiData.push(noi); debtServiceData.push(debtService * 1.2); var increasedDebtDSCR = (debtService * 1.2 > 0) ? (noi / (debtService * 1.2)) : (noi > 0 ? Infinity : 0); dscrValues.push(increasedDebtDSCR); // Determine max value for y-axis, ensuring it's reasonable var maxDSCR = Math.max.apply(null, dscrValues.filter(Number.isFinite)); var yAxisMax = maxDSCR > 2 ? maxDSCR * 1.2 : 2.5; // Set a reasonable upper limit chartInstance = new Chart(ctx, { type: 'bar', // Changed to bar for better comparison of NOI vs Debt Service data: { labels: labels, datasets: [{ label: 'Net Operating Income (NOI)', data: noiData, backgroundColor: 'rgba(0, 74, 153, 0.6)', // Primary color borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1, yAxisID: 'y-axis-noi' }, { label: 'Annual Debt Service', data: debtServiceData, backgroundColor: 'rgba(255, 99, 132, 0.6)', // A contrasting color borderColor: 'rgba(255, 99, 132, 1)', borderWidth: 1, yAxisID: 'y-axis-debt' }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Scenario' } }, 'y-axis-noi': { type: 'linear', position: 'left', title: { display: true, text: 'Amount (USD)' }, ticks: { beginAtZero: true, callback: function(value) { return '$' + value.toLocaleString(); } }, grid: { display: false // Hide grid lines for this axis if using dual axes } }, 'y-axis-debt': { type: 'linear', position: 'left', // Position on the same side as NOI for direct comparison title: { display: true, text: 'Amount (USD)' }, ticks: { beginAtZero: true, callback: function(value) { return '$' + value.toLocaleString(); } }, grid: { display: true // Show grid lines for this axis } }, // Add a secondary y-axis for DSCR if needed, but bar chart is clearer for comparison }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD' }).format(context.parsed.y); } return label; } } }, legend: { display: true, position: 'top' } } } }); } function updateTable(currentNOI, currentDebtService) { var tableRows = "; var scenarios = [ { noiMultiplier: 0.8, label: '80% NOI' }, { noiMultiplier: 1.0, label: '100% NOI (Current)' }, { noiMultiplier: 1.2, label: '120% NOI' }, { noiMultiplier: 1.5, label: '150% NOI' } ]; scenarios.forEach(function(scenario) { var scenarioNOI = currentNOI * scenario.noiMultiplier; var dscr = 0; var interpretation = "; if (currentDebtService > 0) { dscr = scenarioNOI / currentDebtService; } else if (scenarioNOI > 0) { dscr = Infinity; } else { dscr = 0; } if (dscr === Infinity) { interpretation = 'Excellent Coverage'; } else if (dscr >= 1.25) { interpretation = 'Strong'; } else if (dscr >= 1.0) { interpretation = 'Adequate'; } else { interpretation = 'Shortfall Risk'; } tableRows += '' + '' + scenario.label + ' (' + scenarioNOI.toLocaleString(undefined, { style: 'currency', currency: 'USD' }) + ')' + '' + currentDebtService.toLocaleString(undefined, { style: 'currency', currency: 'USD' }) + '' + '' + (dscr === Infinity ? '∞' : dscr.toFixed(2)) + '' + '' + interpretation + '' + ''; }); // Add a scenario for increased debt var increasedDebtAmount = currentDebtService * 1.2; var increasedDebtDSCR = 0; var increasedDebtInterpretation = "; if (increasedDebtAmount > 0) { increasedDebtDSCR = currentNOI / increasedDebtAmount; } else if (currentNOI > 0) { increasedDebtDSCR = Infinity; } else { increasedDebtDSCR = 0; } if (increasedDebtDSCR === Infinity) { increasedDebtInterpretation = 'Excellent Coverage'; } else if (increasedDebtDSCR >= 1.25) { increasedDebtInterpretation = 'Strong'; } else if (increasedDebtDSCR >= 1.0) { increasedDebtInterpretation = 'Adequate'; } else { increasedDebtInterpretation = 'Shortfall Risk'; } tableRows += '' + '' + currentNOI.toLocaleString(undefined, { style: 'currency', currency: 'USD' }) + '' + 'Increased Debt (' + increasedDebtAmount.toLocaleString(undefined, { style: 'currency', currency: 'USD' }) + ')' + '' + (increasedDebtDSCR === Infinity ? '∞' : increasedDebtDSCR.toFixed(2)) + '' + '' + increasedDebtInterpretation + '' + ''; dscrTableBody.innerHTML = tableRows; } function clearTable() { dscrTableBody.innerHTML = 'Enter values to see table.'; } // Initial calculation on page load window.onload = function() { // Check if Chart.js is loaded before initializing if (typeof Chart !== 'undefined') { calculateDSCR(); } else { // Fallback or message if Chart.js is not available console.error("Chart.js library not found. Chart will not be displayed."); document.getElementById('chartContainer').style.display = 'none'; // Still try to calculate other parts calculateDSCR(); } }; // Dummy Chart.js object for initial load if not present, to avoid errors before calculateDSCR runs if (typeof Chart === 'undefined') { var Chart = function() { this.destroy = function() {}; }; Chart.defaults = {}; Chart.defaults.global = {}; Chart.defaults.global.responsive = true; Chart.defaults.global.maintainAspectRatio = false; }

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