Calculate Debt Payoff

Debt Payoff Calculator: Strategize Your Debt Freedom :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); } header { text-align: center; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(–border-color); } header h1 { color: var(–primary-color); 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; font-size: 1rem; box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-between; margin-top: 25px; gap: 10px; } .button-group button, .button-group input[type="button"] { padding: 10px 15px; border: none; border-radius: 5px; cursor: pointer; font-size: 1rem; transition: background-color 0.3s ease; flex: 1; text-align: center; } .btn-calculate { background-color: var(–primary-color); color: white; } .btn-calculate:hover { background-color: #003366; } .btn-reset { background-color: #6c757d; color: white; } .btn-reset:hover { background-color: #5a6268; } .btn-copy { background-color: #ffc107; color: #212529; } .btn-copy:hover { background-color: #e0a800; } #results-container { margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } #results-container h2 { color: var(–primary-color); margin-bottom: 20px; } .primary-result { font-size: 2.5em; font-weight: bold; color: var(–success-color); margin-bottom: 15px; padding: 15px; background-color: #e9f7ef; border-radius: 5px; display: inline-block; } .intermediate-results div, .formula-explanation { margin-bottom: 10px; font-size: 1.1em; } .intermediate-results span { font-weight: bold; color: var(–primary-color); } .formula-explanation { font-style: italic; color: #555; margin-top: 20px; padding-top: 15px; border-top: 1px dashed var(–border-color); } table { width: 100%; border-collapse: collapse; margin-top: 25px; box-shadow: var(–shadow); border-radius: 5px; overflow: hidden; } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(–border-color); } thead th { background-color: var(–primary-color); color: white; font-weight: bold; } tbody tr:nth-child(even) { background-color: #f2f2f2; } tbody tr:hover { background-color: #e9ecef; } caption { caption-side: bottom; font-style: italic; color: #666; margin-top: 10px; text-align: center; } #chart-container { margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } #chart-container h2 { color: var(–primary-color); margin-bottom: 20px; } canvas { max-width: 100%; height: auto; } .article-section { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(–border-color); } .article-section h2, .article-section h3 { color: var(–primary-color); margin-bottom: 15px; } .article-section h2 { font-size: 2em; } .article-section h3 { font-size: 1.5em; } .article-section p, .article-section ul, .article-section ol { margin-bottom: 15px; } .article-section ul, .article-section ol { padding-left: 25px; } .article-section li { margin-bottom: 8px; } .faq-item { margin-bottom: 15px; padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; background-color: #fdfdfd; } .faq-item strong { color: var(–primary-color); cursor: pointer; display: block; } .faq-item p { margin-top: 10px; display: none; /* Hidden by default */ } .internal-links-section ul { list-style: none; padding: 0; } .internal-links-section li { margin-bottom: 15px; padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; background-color: var(–card-background); } .internal-links-section a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links-section a:hover { text-decoration: underline; } .internal-links-section p { font-size: 0.9em; color: #555; margin-top: 5px; } .highlight { background-color: var(–success-color); color: white; padding: 2px 5px; border-radius: 3px; } .variable-table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(–shadow); border-radius: 5px; overflow: hidden; } .variable-table th, .variable-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(–border-color); } .variable-table th { background-color: var(–primary-color); color: white; } .variable-table tr:nth-child(even) { background-color: #f2f2f2; } .variable-table td:first-child { font-weight: bold; color: var(–primary-color); }

Debt Payoff Calculator

Strategize your debt repayment and visualize your path to becoming debt-free.

Debt Payoff Strategy

Enter the total sum of all your debts.
The total amount you can afford to pay towards debt each month.
The weighted average interest rate across all your debts.

Your Debt Payoff Projection

Months to Payoff:
Total Interest Paid:
Total Amount Paid:
Calculations are based on an amortization schedule, considering your total debt, monthly payment, and average interest rate. The time to payoff is estimated by iteratively reducing the principal and adding interest until the balance reaches zero.
Month Starting Balance Payment Interest Paid Principal Paid Ending Balance
Monthly breakdown of your debt repayment plan.

Debt Payoff Visualization

This chart shows the breakdown of your total payments into principal and interest over time.

What is Debt Payoff Strategy?

A debt payoff strategy is a systematic plan designed to eliminate outstanding debts efficiently. It involves understanding the total amount owed, the interest rates on each debt, and your capacity to make payments. The goal is to pay down debt as quickly as possible, minimizing the total interest paid and freeing up financial resources. This approach is crucial for anyone looking to improve their financial health, reduce stress, and achieve financial freedom. It's not just about making minimum payments; it's about actively working towards a debt-free future.

Who should use it: Anyone with consumer debt, including credit cards, personal loans, auto loans, or even student loans, can benefit from a structured debt payoff strategy. Individuals struggling with multiple debts, high-interest rates, or feeling overwhelmed by their financial obligations will find immense value in planning their repayment. It's also beneficial for those who want to accelerate their debt-free journey and build a stronger financial foundation.

Common misconceptions: A frequent misconception is that simply making the minimum payment is sufficient. While this keeps accounts in good standing, it often leads to paying significantly more in interest over a much longer period. Another myth is that all debt is bad; while some debt (like mortgages) can be strategic, high-interest consumer debt is generally detrimental. Many also underestimate the psychological benefit of having a clear plan, believing it's too complex to manage.

Debt Payoff Formula and Mathematical Explanation

Calculating the exact time and total interest for debt payoff involves an iterative process, often modeled using amortization principles. While a single closed-form formula for the exact number of periods can be complex due to varying payment allocations, the core concept relies on understanding how each payment is split between interest and principal.

For a simplified projection, we can estimate the payoff time and total interest. The monthly interest is calculated on the remaining balance, and the portion of the payment applied to the principal reduces the balance for the next period.

The iterative process works like this:

  1. Calculate the monthly interest: Interest = (Remaining Balance * Annual Interest Rate) / 12
  2. Determine the principal paid: Principal Paid = Monthly Payment - Interest
  3. Update the remaining balance: New Balance = Remaining Balance - Principal Paid
  4. Repeat until the balance is zero or less.

The total interest paid is the sum of all monthly interest amounts calculated throughout the payoff period. The total amount paid is the sum of all monthly payments made.

Variables Table:

Variable Meaning Unit Typical Range
Total Debt Amount (P) The initial sum of all outstanding debts. Currency (e.g., USD) $1,000 – $1,000,000+
Target Monthly Payment (M) The fixed amount paid towards debt each month. Currency (e.g., USD) $50 – $5,000+
Average Interest Rate (r) The weighted average annual interest rate across all debts. Percentage (%) 0.1% – 30%+
Months to Payoff (n) The total number of months required to pay off the debt. Months Calculated
Total Interest Paid (I) The sum of all interest accrued and paid over the payoff period. Currency (e.g., USD) Calculated
Total Amount Paid (T) The sum of all monthly payments made (Principal + Interest). Currency (e.g., USD) Calculated

Practical Examples (Real-World Use Cases)

Let's illustrate how the debt payoff calculator can be used with practical scenarios:

Example 1: Aggressive Credit Card Payoff

Scenario: Sarah has $15,000 in credit card debt with an average interest rate of 22%. She wants to pay it off as quickly as possible and can allocate $700 per month towards this goal.

Inputs:

  • Total Debt Amount: $15,000
  • Target Monthly Payment: $700
  • Average Interest Rate: 22%

Calculator Output (Simulated):

  • Months to Payoff: Approximately 27 months
  • Total Interest Paid: Approximately $4,050
  • Total Amount Paid: Approximately $19,050

Financial Interpretation: By paying $700 monthly, Sarah will be debt-free in just over two years. She'll pay a significant amount in interest, highlighting the high cost of credit card debt. This strategy prioritizes speed over minimizing interest, which might be suitable if Sarah wants the psychological relief of being debt-free quickly.

Example 2: Moderate Personal Loan Paydown

Scenario: John has a $10,000 personal loan with a 10% interest rate. He can comfortably afford $300 per month.

Inputs:

  • Total Debt Amount: $10,000
  • Target Monthly Payment: $300
  • Average Interest Rate: 10%

Calculator Output (Simulated):

  • Months to Payoff: Approximately 39 months
  • Total Interest Paid: Approximately $1,700
  • Total Amount Paid: Approximately $11,700

Financial Interpretation: John's $300 monthly payment will clear his $10,000 loan in about 3 years and 3 months. He will pay roughly $1,700 in interest. If John could increase his monthly payment to, say, $400, the payoff time would decrease significantly, and the total interest paid would be substantially lower. This demonstrates the power of increasing payments, even modestly.

How to Use This Debt Payoff Calculator

Our Debt Payoff Calculator is designed for simplicity and clarity, helping you visualize your debt-free future. Follow these steps:

  1. Enter Total Debt Amount: Input the sum of all your outstanding debts. This could be credit cards, personal loans, auto loans, etc. Be comprehensive to get an accurate picture.
  2. Specify Target Monthly Payment: Enter the total amount you are committed to paying towards your debts each month. This is the key driver for how quickly you'll become debt-free.
  3. Input Average Interest Rate: If you have multiple debts, calculate a weighted average of their annual interest rates. For example, if you have $5,000 at 15% and $10,000 at 20%, the weighted average is approximately 18.33%.
  4. Click 'Calculate Payoff': Once all fields are populated, click the button. The calculator will process your inputs and display the results.

How to Read Results:

  • Primary Result (Months to Payoff): This is the most crucial number – it tells you how long it will take to become debt-free based on your inputs.
  • Total Interest Paid: This shows the total cost of borrowing over the payoff period. Reducing this is a primary goal of debt management.
  • Total Amount Paid: This is the sum of your initial debt plus all the interest you'll pay.
  • Monthly Breakdown Table: This table provides a detailed view of each month's progress, showing how your payments are allocated to interest and principal, and how the balance decreases over time.
  • Chart: The visualization helps you see the proportion of your payments going towards interest versus principal, illustrating the impact of interest over time.

Decision-Making Guidance: Use the calculator to test different scenarios. What if you could increase your monthly payment by $50? How much faster would you be debt-free, and how much interest would you save? This tool empowers you to make informed decisions about your debt repayment strategy, potentially motivating you to cut expenses or increase income to accelerate your payoff.

Key Factors That Affect Debt Payoff Results

Several factors significantly influence how quickly you can pay off debt and the total cost involved. Understanding these elements is vital for effective debt management:

  1. Interest Rates: This is arguably the most critical factor. Higher interest rates mean a larger portion of your payment goes towards interest, slowing down principal reduction and increasing the total cost. Prioritizing high-interest debts (like credit cards) is often recommended.
  2. Monthly Payment Amount: The more you pay above the minimum, the faster you'll eliminate debt and the less interest you'll accrue. Even small increases can make a substantial difference over time.
  3. Total Debt Load: A larger overall debt amount naturally takes longer to pay off, assuming consistent payment amounts and interest rates. Breaking down the total into manageable chunks is key.
  4. Payment Consistency: Making consistent, on-time payments is crucial. Late payments can incur fees and penalties, increasing your debt and potentially damaging your credit score.
  5. Fees and Penalties: Be aware of any potential fees associated with your debts (e.g., late fees, over-limit fees, prepayment penalties). These can add unexpected costs and complexity to your payoff plan.
  6. Income and Cash Flow: Your ability to make larger payments depends directly on your income and how effectively you manage your overall cash flow. Budgeting is essential to identify funds that can be redirected to debt repayment.
  7. Debt Payoff Method: Strategies like the debt snowball (paying smallest balances first for psychological wins) or debt avalanche (paying highest interest rates first to save money) can impact the timeline and total interest paid, though the calculator focuses on a fixed monthly payment.
  8. Economic Conditions (Inflation/Deflation): While not directly calculated, broader economic factors can influence your ability to earn income or the real value of your debt. High inflation might make fixed debt payments easier to manage over time if your income rises proportionally.

Frequently Asked Questions (FAQ)

What is the difference between the debt snowball and debt avalanche methods?

The debt snowball method involves paying off debts in order from smallest balance to largest, regardless of interest rate. This provides quick wins and motivation. The debt avalanche method prioritizes paying off debts with the highest interest rates first, which mathematically saves the most money on interest over time. Our calculator uses a fixed monthly payment approach, which aligns more closely with the avalanche principle if you focus on the total interest saved.

Can I use this calculator for mortgages or student loans?

Yes, you can use this calculator for any type of debt, including mortgages and student loans, as long as you can input the total outstanding balance, your target monthly payment (or minimum payment if you're just projecting), and the average interest rate. However, mortgage and student loan calculations can sometimes involve more complex terms like amortization schedules with varying rates or specific repayment plans.

What if my interest rates vary between debts?

The calculator uses an 'Average Interest Rate'. To get the most accurate projection, calculate a weighted average. Multiply each debt's balance by its interest rate, sum these values, and then divide by the total debt amount. For example: (Debt A Balance * Rate A) + (Debt B Balance * Rate B) / (Total Debt). This provides a more representative rate for the overall calculation.

What does 'Total Amount Paid' represent?

The 'Total Amount Paid' is the sum of your original total debt plus all the interest you will pay over the entire duration of the payoff period. It represents the true cost of your debt if you stick to the specified monthly payment.

How often should I update my debt payoff plan?

It's advisable to review and potentially update your debt payoff plan at least annually, or whenever significant changes occur in your financial situation. This includes changes in income, unexpected expenses, or if you decide to adjust your monthly payment amount. Re-running the calculator with updated figures ensures your plan remains relevant and effective.

What if I can only make minimum payments?

If you can only make minimum payments, the calculator will still show you the payoff timeline and total interest. However, be aware that minimum payments are often structured to keep you in debt for a very long time, with a large portion going towards interest. This calculator helps highlight how much longer it takes and how much more expensive it becomes if you only pay the minimum.

Can prepayment penalties affect my payoff?

Yes, some loans, particularly certain types of personal loans or auto loans, may have prepayment penalties. If your loan has such a penalty, you should factor that into your total cost calculation. Our calculator assumes no prepayment penalties. Always check your loan agreement for these terms.

How does this calculator help with budgeting?

By showing you the total cost and time required for debt payoff, the calculator helps you understand the financial commitment involved. You can use this information to create a more realistic budget, identifying areas where you might need to cut expenses or increase income to meet your debt repayment goals faster.

Related Tools and Internal Resources

  • Budgeting App

    Take control of your finances with our intuitive budgeting app. Track expenses, set goals, and manage your money effectively.

  • Savings Calculator

    Plan for your future goals by calculating how long it takes to save a specific amount with regular contributions.

  • Loan Amortization Schedule Generator

    Generate a detailed month-by-month breakdown of loan payments, showing principal and interest components.

  • Credit Score Checker

    Monitor your credit health and understand the factors that influence your credit score.

  • Guide to Debt Consolidation

    Learn about different debt consolidation options and whether they are the right choice for your financial situation.

  • Financial Planning Services

    Connect with certified financial planners who can provide personalized advice for your debt management and overall financial strategy.

© 2023 Your Financial Website. All rights reserved.

var chartInstance = null; // Global variable to hold the chart instance function getElement(id) { return document.getElementById(id); } function validateInput(value, id, min, max, message) { var errorElement = getElement(id + 'Error'); if (value === "") { errorElement.textContent = "This field cannot be empty."; errorElement.style.display = 'block'; return false; } var numValue = parseFloat(value); if (isNaN(numValue)) { errorElement.textContent = "Please enter a valid number."; errorElement.style.display = 'block'; return false; } if (numValue max) { errorElement.textContent = `Value cannot exceed ${max}.`; errorElement.style.display = 'block'; return false; } errorElement.textContent = ""; errorElement.style.display = 'none'; return true; } function calculateDebtPayoff() { var totalDebt = getElement("totalDebt").value; var monthlyPayment = getElement("monthlyPayment").value; var averageInterestRate = getElement("averageInterestRate").value; var isValid = true; isValid = validateInput(totalDebt, "totalDebt", 0) && isValid; isValid = validateInput(monthlyPayment, "monthlyPayment", 1) && isValid; // Minimum payment must be at least 1 to make progress isValid = validateInput(averageInterestRate, "averageInterestRate", 0, 100) && isValid; if (!isValid) { return; } var principal = parseFloat(totalDebt); var payment = parseFloat(monthlyPayment); var annualRate = parseFloat(averageInterestRate) / 100; var monthlyRate = annualRate / 12; var months = 0; var totalInterestPaid = 0; var totalPaid = 0; var balance = principal; var payoffData = []; // For table and chart // Ensure payment is greater than the first month's interest to avoid infinite loops var firstMonthInterest = balance * monthlyRate; if (payment 0) { months++; var interestThisMonth = balance * monthlyRate; var principalPaidThisMonth = payment – interestThisMonth; // Ensure principal paid doesn't exceed remaining balance if (principalPaidThisMonth > balance) { principalPaidThisMonth = balance; payment = interestThisMonth + principalPaidThisMonth; // Adjust final payment } balance -= principalPaidThisMonth; totalInterestPaid += interestThisMonth; totalPaid = principal + totalInterestPaid; // Accumulate total paid if (balance < 0) balance = 0; // Prevent negative balance payoffData.push({ month: months, startBalance: parseFloat(principal), // Store previous balance for this row payment: parseFloat(payment), interest: parseFloat(interestThisMonth), principal: parseFloat(principalPaidThisMonth), endBalance: parseFloat(balance) }); principal = balance; // Update principal for next iteration } getElement("primaryResult").textContent = months + " months"; getElement("monthsToPayoff").getElementsByTagName("span")[0].textContent = months.toLocaleString(); getElement("totalInterestPaid").getElementsByTagName("span")[0].textContent = "$" + totalInterestPaid.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); getElement("totalAmountPaid").getElementsByTagName("span")[0].textContent = "$" + totalPaid.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); populateTable(payoffData); updateChart(payoffData, totalInterestPaid, totalPaid); } function populateTable(data) { var tableBody = getElement("payoffTable").getElementsByTagName("tbody")[0]; tableBody.innerHTML = ""; // Clear previous rows var maxRowsToShow = 12; // Show first 12 months by default var rowsToShow = Math.min(data.length, maxRowsToShow); for (var i = 0; i maxRowsToShow) { var row = tableBody.insertRow(); var cell = row.insertCell(0); cell.colSpan = 6; cell.textContent = `… and ${data.length – maxRowsToShow} more months.`; cell.style.textAlign = "center"; cell.style.fontStyle = "italic"; } } function updateChart(data, totalInterest, totalPaid) { var ctx = getElement("payoffChart").getContext("2d"); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Prepare data for chart var labels = []; var principalPaidSeries = []; var interestPaidSeries = []; var cumulativePrincipal = 0; var cumulativeInterest = 0; // Limit data points for performance and clarity, e.g., one point per month up to a limit var maxChartPoints = 30; // Show up to 30 months on the chart var step = Math.max(1, Math.floor(data.length / maxChartPoints)); for (var i = 0; i 0 && labels[labels.length – 1] !== "Month " + data[data.length – 1].month) { labels.push("Month " + data[data.length – 1].month); principalPaidSeries.push(parseFloat(getElement("totalDebt").value)); // Total principal paid should equal initial debt interestPaidSeries.push(parseFloat(totalInterestPaid.textContent.replace(/[^0-9.]/g, "))); // Total interest paid } chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Cumulative Principal Paid', data: principalPaidSeries, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.1 }, { label: 'Cumulative Interest Paid', data: interestPaidSeries, borderColor: 'var(–success-color)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: true, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Amount ($)' } }, x: { title: { display: true, text: 'Month' } } }, 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; } } } } } }); } function resetCalculator() { getElement("totalDebt").value = "25000"; getElement("monthlyPayment").value = "500"; getElement("averageInterestRate").value = "15"; getElement("primaryResult").textContent = "–"; getElement("monthsToPayoff").getElementsByTagName("span")[0].textContent = "–"; getElement("totalInterestPaid").getElementsByTagName("span")[0].textContent = "–"; getElement("totalAmountPaid").getElementsByTagName("span")[0].textContent = "–"; getElement("payoffTable").getElementsByTagName("tbody")[0].innerHTML = ""; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Clear error messages getElement("totalDebtError").textContent = ""; getElement("totalDebtError").style.display = 'none'; getElement("monthlyPaymentError").textContent = ""; getElement("monthlyPaymentError").style.display = 'none'; getElement("averageInterestError").textContent = ""; getElement("averageInterestError").style.display = 'none'; } function copyResults() { var primaryResult = getElement("primaryResult").textContent; var months = getElement("monthsToPayoff").getElementsByTagName("span")[0].textContent; var totalInterest = getElement("totalInterestPaid").getElementsByTagName("span")[0].textContent; var totalPaid = getElement("totalAmountPaid").getElementsByTagName("span")[0].textContent; var assumptions = "Key Assumptions:\n"; assumptions += "- Total Debt: $" + getElement("totalDebt").value + "\n"; assumptions += "- Monthly Payment: $" + getElement("monthlyPayment").value + "\n"; assumptions += "- Average Interest Rate: " + getElement("averageInterestRate").value + "%\n"; var resultsText = "Debt Payoff Results:\n"; resultsText += "Estimated Payoff Time: " + months + " months\n"; resultsText += "Total Interest Paid: " + totalInterest + "\n"; resultsText += "Total Amount Paid: " + totalPaid + "\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!' : 'Copy failed!'; // Optionally show a temporary message to the user // alert(msg); } catch (err) { // alert('Oops, unable to copy'); } document.body.removeChild(textArea); } function toggleFaq(element) { var content = element.nextElementSibling; if (content.style.display === "block") { content.style.display = "none"; } else { content.style.display = "block"; } } // Initial calculation on page load if default values are set document.addEventListener('DOMContentLoaded', function() { // Set default values getElement("totalDebt").value = "25000"; getElement("monthlyPayment").value = "500"; getElement("averageInterestRate").value = "15"; calculateDebtPayoff(); // Perform initial calculation }); // Add event listeners for real-time updates (optional, but good UX) getElement("totalDebt").addEventListener("input", calculateDebtPayoff); getElement("monthlyPayment").addEventListener("input", calculateDebtPayoff); getElement("averageInterestRate").addEventListener("input", calculateDebtPayoff);

Leave a Comment