Heloc Loan Payoff Calculator

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HELOC Loan Payoff Calculator

Estimate how long it will take to pay off your Home Equity Line of Credit (HELOC) and see the impact of different payment strategies. Understand your HELOC loan payoff timeline with our easy-to-use tool.

HELOC Payoff Calculator

Enter the total amount you currently owe on your HELOC.
Enter the current annual interest rate for your HELOC.
Enter the amount you plan to pay each month towards the HELOC principal and interest.

Your HELOC Payoff Results

Total Interest Paid:
Number of Payments:
Payoff Date:
Formula Used: The calculator estimates the payoff time by iteratively subtracting payments from the balance, accounting for interest accrued each month. The formula for monthly interest is (Balance * Annual Rate) / 12. The number of payments is determined until the balance reaches zero.
HELOC Amortization Schedule (First 12 Months)
Month Starting Balance Payment Interest Paid Principal Paid Ending Balance
Enter values and click "Calculate Payoff"
Principal Paid Interest Paid
This chart visually represents the breakdown of your monthly payments into principal and interest over the projected payoff period.

What is HELOC Loan Payoff?

HELOC loan payoff refers to the process and timeline involved in fully repaying a Home Equity Line of Credit. A HELOC is a revolving credit line secured by the equity in your home, allowing you to borrow funds as needed up to a certain limit. Unlike a traditional home equity loan, which disburses a lump sum, a HELOC functions more like a credit card. It typically has a draw period (when you can borrow and make interest-only payments) followed by a repayment period (when you must repay both principal and interest). Understanding your HELOC loan payoff is crucial for financial planning, as it dictates when your home is free of this specific debt and what your total borrowing cost will be.

Who should use a HELOC loan payoff calculator? Anyone with an active HELOC should consider using this tool. It's particularly beneficial for homeowners who:

  • Want to accelerate their debt repayment.
  • Are nearing the end of their HELOC's draw period and need to plan for the repayment phase.
  • Are considering making extra payments to reduce interest costs and shorten the loan term.
  • Want to understand the total financial commitment of their HELOC.
  • Are comparing different repayment strategies.

Common Misconceptions about HELOC Payoff:

  • Misconception: HELOCs are always paid off automatically after the draw period. Reality: While the repayment period begins, you are responsible for making the required payments; the loan doesn't disappear.
  • Misconception: Interest-only payments during the draw period are cheaper long-term. Reality: While they lower immediate cash outflow, they significantly increase the total interest paid and extend the overall HELOC loan payoff timeline.
  • Misconception: All HELOCs have the same repayment structure. Reality: Terms vary widely; some require principal and interest from the start, while others have distinct draw and repayment phases.

HELOC Loan Payoff Formula and Mathematical Explanation

Calculating the exact HELOC loan payoff time involves a month-by-month amortization process. While there isn't a single simple formula to directly output the number of months without iteration, the core logic relies on understanding how each payment is applied. Here's a breakdown:

The Process:

  1. Calculate Monthly Interest: Each month, interest accrues on the outstanding balance. The formula is:
    Monthly Interest = (Current Balance * Annual Interest Rate) / 12
  2. Determine Principal Payment: The portion of your monthly payment that goes towards reducing the principal is calculated as:
    Principal Payment = Monthly Payment - Monthly Interest
  3. Calculate New Balance: Subtract the principal payment from the current balance:
    New Balance = Current Balance - Principal Payment
  4. Repeat: Use the 'New Balance' as the 'Current Balance' for the next month and repeat the process until the balance reaches zero.

The total number of months it takes to reach a zero balance is your HELOC loan payoff period. The sum of all 'Monthly Interest' amounts calculated throughout this period gives you the total interest paid.

Variables Table:

Variables Used in HELOC Payoff Calculation
Variable Meaning Unit Typical Range
B (Current HELOC Balance) The outstanding amount owed on the HELOC. $ $10,000 – $500,000+
r (Annual Interest Rate) The yearly interest rate charged on the HELOC balance. % 4% – 18%+
P (Monthly Payment) The fixed amount paid towards the HELOC each month. $ Minimum payment (often interest-only) to a significantly higher amount.
n (Number of Payments) The total number of monthly payments required to pay off the HELOC. Months Variable, depends on B, r, and P.
I (Total Interest Paid) The sum of all interest paid over the life of the loan. $ Variable.

The calculator iteratively applies these steps to simulate the amortization schedule and determine the final HELOC loan payoff timeline.

Practical Examples (Real-World Use Cases)

Understanding the HELOC loan payoff calculator is best done through practical examples:

Example 1: Standard Repayment

Scenario: Sarah has a HELOC with a remaining balance of $40,000. The current annual interest rate is 7.5%. She plans to make a consistent monthly payment of $400, which covers both principal and interest.

Inputs:

  • Current HELOC Balance: $40,000
  • Annual Interest Rate: 7.5%
  • Target Monthly Payment: $400

Calculator Output (Simulated):

  • Estimated Payoff Time: Approximately 128 months (about 10 years and 8 months)
  • Total Interest Paid: Approximately $11,195
  • Number of Payments: 128

Financial Interpretation: Sarah will pay off her HELOC in just under 11 years. The total cost of borrowing, including interest, will be around $11,195. This provides a clear picture of her commitment and the total amount she'll repay.

Example 2: Aggressive Payoff Strategy

Scenario: John has a $60,000 HELOC balance with an 8.0% annual interest rate. His minimum payment is $300 (likely interest-only or low principal). He decides to increase his monthly payment significantly to $1,000 to pay it off faster and save on interest.

Inputs:

  • Current HELOC Balance: $60,000
  • Annual Interest Rate: 8.0%
  • Target Monthly Payment: $1,000

Calculator Output (Simulated):

  • Estimated Payoff Time: Approximately 71 months (about 5 years and 11 months)
  • Total Interest Paid: Approximately $14,350
  • Number of Payments: 71

Financial Interpretation: By paying $1,000 per month instead of the minimum, John cuts his repayment time by over 4 years compared to a scenario with only minimum payments (which would take much longer and cost significantly more in interest). He saves a substantial amount on interest over the life of the loan, demonstrating the power of accelerated payments for HELOC loan payoff.

How to Use This HELOC Loan Payoff Calculator

Our HELOC loan payoff calculator is designed for simplicity and clarity. Follow these steps to get accurate results:

  1. Enter Current HELOC Balance: Input the exact amount you currently owe on your Home Equity Line of Credit.
  2. Input Annual Interest Rate: Enter the current annual interest rate associated with your HELOC. Ensure you use the percentage value (e.g., 7.5 for 7.5%).
  3. Specify Target Monthly Payment: Enter the total amount you intend to pay each month. This should be the sum you are comfortable paying, aiming to cover at least the interest and a portion of the principal. If you are in the draw period and only making interest-only payments, you might want to calculate with a higher amount to simulate moving into the repayment phase.
  4. Click "Calculate Payoff": Once all fields are populated, press the calculate button.

How to Read Results:

  • Primary Result (Highlighted): This shows the estimated number of months it will take to pay off your HELOC based on your inputs.
  • Total Interest Paid: This is the estimated total amount of interest you will pay over the entire loan term.
  • Number of Payments: This confirms the total number of monthly payments required.
  • Payoff Date: This provides an estimated calendar date when your HELOC will be fully paid off, assuming consistent payments.
  • Amortization Table: The table shows a month-by-month breakdown for the first year, illustrating how each payment is split between interest and principal, and how the balance decreases.
  • Chart: The chart provides a visual representation of the principal vs. interest paid over time.

Decision-Making Guidance: Use the calculator to experiment. See how increasing your monthly payment by even $50 or $100 impacts the total interest paid and the payoff timeline. This can help you set realistic financial goals and understand the trade-offs between paying off debt faster and other financial priorities. If your HELOC is nearing the end of its draw period, use this tool to plan for the mandatory principal and interest payments.

Key Factors That Affect HELOC Loan Payoff Results

Several factors significantly influence how quickly you can pay off your HELOC and the total cost involved. Understanding these is key to effective financial management:

  1. Interest Rate (APR): This is arguably the most critical factor. A higher annual interest rate means more of your payment goes towards interest each month, slowing down principal reduction and extending the HELOC loan payoff period. Conversely, a lower rate accelerates payoff and reduces total interest costs. Variable rates on HELOCs can fluctuate, impacting your payoff schedule unpredictably if not managed carefully.
  2. Monthly Payment Amount: The larger your monthly payment, the faster you will pay down the principal balance. Even small increases can make a substantial difference over time, especially when combined with a lower interest rate. Paying only the minimum (especially if it's interest-only) will lead to the longest payoff time and highest total interest.
  3. Loan Term and Draw Period: HELOCs often have a draw period followed by a repayment period. The length of these periods affects your repayment strategy. If you're only making interest-only payments during the draw period, your principal balance won't decrease, and the HELOC loan payoff will effectively start only after the draw period ends, potentially with a balloon payment or significantly higher required payments.
  4. Fees and Closing Costs: While not directly part of the payoff calculation itself, upfront fees (origination fees, appraisal fees, etc.) increase the total cost of borrowing. Some HELOCs might also have annual fees. These should be factored into your overall decision to use a HELOC and considered when comparing it to other financing options.
  5. Additional Principal Payments: Making extra payments specifically designated towards principal can dramatically shorten your HELOC loan payoff timeline. Many lenders allow this without penalty. Using windfalls like tax refunds or bonuses for extra payments can be a powerful strategy.
  6. Inflation and Opportunity Cost: While not a direct calculation input, inflation can erode the purchasing power of money over time. Paying off debt quickly frees up cash flow sooner, which could potentially be invested elsewhere. However, the guaranteed return of paying off high-interest debt often outweighs the potential returns from investing, especially for HELOCs with higher rates.
  7. Tax Deductibility: Interest paid on HELOCs may be tax-deductible if the funds are used to buy, build, or substantially improve the home securing the loan. This can effectively lower the cost of borrowing, influencing the overall financial decision and potentially the urgency of the HELOC loan payoff. Consult a tax professional for specifics.

Frequently Asked Questions (FAQ)

Q1: What is the difference between a HELOC draw period and a repayment period?

A: During the draw period (typically 5-10 years), you can borrow funds up to your credit limit and often make interest-only payments. During the repayment period (typically 10-20 years), you can no longer borrow funds, and your payments must include both principal and interest, paying down the outstanding balance.

Q2: Can I pay off my HELOC early?

A: Yes, most HELOCs allow you to make extra payments or pay off the entire balance early without penalty. This is a great strategy to save on interest.

Q3: How does a variable interest rate affect my HELOC payoff?

A: Variable rates mean your interest rate can change over time, usually tied to a benchmark index like the prime rate. If rates rise, your monthly interest cost increases, your principal payment decreases (for a fixed total payment), and your HELOC loan payoff timeline will likely extend, costing you more in interest. If rates fall, the opposite occurs.

Q4: What happens if I miss a payment on my HELOC?

A: Missing payments can result in late fees, damage your credit score, and potentially trigger default clauses in your HELOC agreement. If you're in the draw period, it might also force you into the repayment period sooner.

Q5: Should I prioritize paying off my HELOC over other debts?

A: Generally, it's advisable to prioritize paying off high-interest debt first. If your HELOC has a higher interest rate than your credit cards or personal loans, focusing extra payments there makes financial sense. However, consider the tax deductibility of HELOC interest.

Q6: What is a "balloon payment" in the context of HELOCs?

A: Some HELOCs, particularly those with interest-only draw periods, may require a large "balloon payment" at the end of the repayment period, which is the entire remaining principal balance. This requires significant planning.

Q7: How can I get the best interest rate on a HELOC?

A: A good credit score, a low loan-to-value (LTV) ratio on your home, a stable income, and shopping around with multiple lenders are key factors in securing a favorable HELOC interest rate.

Q8: Does the calculator account for all potential HELOC fees?

A: This calculator primarily focuses on the payoff based on balance, rate, and payment. It does not automatically factor in all potential fees (like annual fees or origination fees) unless they are implicitly included in your target monthly payment. Always review your HELOC agreement for a complete cost breakdown.

Related Tools and Internal Resources

var chartInstance = null; // Global variable to hold chart instance function validateInput(id, min, max, errorMessageId, helperText) { var input = document.getElementById(id); var errorElement = document.getElementById(errorMessageId); var value = parseFloat(input.value); var isValid = true; errorElement.innerText = "; errorElement.classList.remove('visible'); input.style.borderColor = '#ddd'; if (isNaN(value) || input.value.trim() === ") { errorElement.innerText = 'This field is required.'; isValid = false; } else if (value max) { errorElement.innerText = 'Value cannot be greater than ' + max + '.'; isValid = false; } if (!isValid) { input.style.borderColor = '#dc3545'; } else { input.style.borderColor = '#ddd'; // Reset border if valid } return isValid; } function calculatePayoff() { var balance = parseFloat(document.getElementById('helocBalance').value); var annualRate = parseFloat(document.getElementById('annualInterestRate').value); var monthlyPayment = parseFloat(document.getElementById('monthlyPayment').value); var balanceError = document.getElementById('helocBalanceError'); var rateError = document.getElementById('annualInterestRateError'); var paymentError = document.getElementById('monthlyPaymentError'); var isValid = true; if (!validateInput('helocBalance', 0, null, 'helocBalanceError')) isValid = false; if (!validateInput('annualInterestRate', 0, 100, 'annualInterestRateError')) isValid = false; if (!validateInput('monthlyPayment', 0, null, 'monthlyPaymentError')) isValid = false; if (!isValid) { document.getElementById('primaryResult').innerText = '–'; document.getElementById('totalInterestPaid').innerText = '–'; document.getElementById('numberOfPayments').innerText = '–'; document.getElementById('payoffDate').innerText = '–'; document.getElementById('amortizationTableBody').innerHTML = 'Please correct the errors above.'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } return; } var monthlyRate = annualRate / 100 / 12; var currentBalance = balance; var totalInterestPaid = 0; var numberOfPayments = 0; var amortizationData = []; var maxIterations = 10000; // Safety break for potential infinite loops // Check if monthly payment is sufficient to cover interest var minPaymentRequired = currentBalance * monthlyRate; if (monthlyPayment 0) { paymentError.innerText = 'Monthly payment must be greater than the initial interest amount ($' + minPaymentRequired.toFixed(2) + ').'; paymentError.classList.add('visible'); document.getElementById('monthlyPayment').style.borderColor = '#dc3545'; document.getElementById('primaryResult').innerText = '–'; document.getElementById('totalInterestPaid').innerText = '–'; document.getElementById('numberOfPayments').innerText = '–'; document.getElementById('payoffDate').innerText = '–'; document.getElementById('amortizationTableBody').innerHTML = 'Monthly payment is too low.'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } return; } else { paymentError.innerText = "; paymentError.classList.remove('visible'); document.getElementById('monthlyPayment').style.borderColor = '#ddd'; } while (currentBalance > 0.01 && numberOfPayments currentBalance) { principalThisMonth = currentBalance; monthlyPayment = interestThisMonth + principalThisMonth; // Adjust final payment } currentBalance -= principalThisMonth; totalInterestPaid += interestThisMonth; numberOfPayments++; amortizationData.push({ month: numberOfPayments, startBalance: currentBalance + principalThisMonth, // Balance before this month's payment payment: monthlyPayment, interest: interestThisMonth, principal: principalThisMonth, endBalance: currentBalance }); if (currentBalance 0 && numberOfPayments = maxIterations) { document.getElementById('primaryResult').innerText = 'Calculation Error'; document.getElementById('totalInterestPaid').innerText = 'Error'; document.getElementById('numberOfPayments').innerText = 'Error'; document.getElementById('payoffDate').innerText = 'Error'; document.getElementById('amortizationTableBody').innerHTML = 'Calculation exceeded maximum iterations. Check inputs.'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } return; } document.getElementById('primaryResult').innerText = numberOfPayments + ' Months'; document.getElementById('totalInterestPaid').innerText = '$' + totalInterestPaid.toFixed(2); document.getElementById('numberOfPayments').innerText = numberOfPayments; document.getElementById('payoffDate').innerText = payoffDate; updateAmortizationTable(amortizationData, monthlyPayment); updateChart(amortizationData); } function updateAmortizationTable(data, fixedPayment) { var tableBody = document.getElementById('amortizationTableBody'); tableBody.innerHTML = "; // Clear previous data var rowsToShow = Math.min(data.length, 12); // Show first 12 months or fewer if payoff is sooner if (rowsToShow === 0) { tableBody.innerHTML = 'No data available. Calculate first.'; return; } for (var i = 0; i 12) { var ellipsisRow = tableBody.insertRow(); ellipsisRow.insertCell(0).innerText = '…'; ellipsisRow.insertCell(1).innerText = "; ellipsisRow.insertCell(2).innerText = "; ellipsisRow.insertCell(3).innerText = "; ellipsisRow.insertCell(4).innerText = "; ellipsisRow.insertCell(5).innerText = "; var lastRow = tableBody.insertRow(); lastRow.insertCell(0).innerText = data.length; lastRow.insertCell(1).innerText = '$' + data[data.length – 1].startBalance.toFixed(2); lastRow.insertCell(2).innerText = '$' + fixedPayment.toFixed(2); // Use the final payment amount lastRow.insertCell(3).innerText = '$' + data[data.length – 1].interest.toFixed(2); lastRow.insertCell(4).innerText = '$' + data[data.length – 1].principal.toFixed(2); lastRow.insertCell(5).innerText = '$' + data[data.length – 1].endBalance.toFixed(2); } } function updateChart(data) { var ctx = document.getElementById('payoffChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var labels = data.map(function(item, index) { return index + 1; }); var principalPaid = data.map(function(item) { return item.principal; }); var interestPaid = data.map(function(item) { return item.interest; }); chartInstance = new Chart(ctx, { type: 'bar', // Use bar chart for better visualization of monthly breakdown data: { labels: labels, datasets: [{ label: 'Principal Paid ($)', data: principalPaid, backgroundColor: 'rgba(0, 74, 153, 0.7)', // Primary color borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { label: 'Interest Paid ($)', data: interestPaid, backgroundColor: 'rgba(108, 117, 125, 0.7)', // Secondary color (grey) borderColor: 'rgba(108, 117, 125, 1)', borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Amount ($)' } }, x: { title: { display: true, text: 'Month' } } }, plugins: { tooltip: { mode: 'index', intersect: false }, legend: { display: false // Legend is handled by the div below the chart } }, hover: { mode: 'nearest', intersect: true } } }); } function resetCalculator() { document.getElementById('helocBalance').value = '50000'; document.getElementById('annualInterestRate').value = '8.5'; document.getElementById('monthlyPayment').value = '500'; // Clear errors document.getElementById('helocBalanceError').innerText = "; document.getElementById('helocBalanceError').classList.remove('visible'); document.getElementById('annualInterestRateError').innerText = "; document.getElementById('annualInterestRateError').classList.remove('visible'); document.getElementById('monthlyPaymentError').innerText = "; document.getElementById('monthlyPaymentError').classList.remove('visible'); // Reset styles document.getElementById('helocBalance').style.borderColor = '#ddd'; document.getElementById('annualInterestRate').style.borderColor = '#ddd'; document.getElementById('monthlyPayment').style.borderColor = '#ddd'; document.getElementById('primaryResult').innerText = '–'; document.getElementById('totalInterestPaid').innerText = '–'; document.getElementById('numberOfPayments').innerText = '–'; document.getElementById('payoffDate').innerText = '–'; document.getElementById('amortizationTableBody').innerHTML = 'Enter values and click "Calculate Payoff"'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } } function copyResults() { var primaryResult = document.getElementById('primaryResult').innerText; var totalInterest = document.getElementById('totalInterestPaid').innerText; var numPayments = document.getElementById('numberOfPayments').innerText; var payoffDate = document.getElementById('payoffDate').innerText; var balance = document.getElementById('helocBalance').value; var annualRate = document.getElementById('annualInterestRate').value; var monthlyPayment = document.getElementById('monthlyPayment').value; var assumptions = "Key Assumptions:\n"; assumptions += "- Current HELOC Balance: $" + balance + "\n"; assumptions += "- Annual Interest Rate: " + annualRate + "%\n"; assumptions += "- Target Monthly Payment: $" + monthlyPayment + "\n"; var resultsText = "HELOC Payoff Results:\n"; resultsText += "——————–\n"; resultsText += "Estimated Payoff Time: " + primaryResult + "\n"; resultsText += "Total Interest Paid: " + totalInterest + "\n"; resultsText += "Number of Payments: " + numPayments + "\n"; resultsText += "Estimated Payoff Date: " + payoffDate + "\n\n"; resultsText += assumptions; // Use a temporary textarea to copy text var textArea = document.createElement("textarea"); textArea.value = resultsText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied to clipboard!' : 'Failed to copy results.'; // Optionally show a temporary message to the user var copyButton = document.querySelector('.btn-copy'); var originalText = copyButton.innerText; copyButton.innerText = msg; setTimeout(function() { copyButton.innerText = originalText; }, 2000); } catch (err) { console.error('Fallback: Oops, unable to copy', err); var copyButton = document.querySelector('.btn-copy'); var originalText = copyButton.innerText; copyButton.innerText = 'Copy Failed'; setTimeout(function() { copyButton.innerText = originalText; }, 2000); } document.body.removeChild(textArea); } // Initial calculation on page load if values are present document.addEventListener('DOMContentLoaded', function() { calculatePayoff(); });

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