Chase Car Finance Calculator

Chase Car Finance Calculator & Guide :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,.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: var(–text-color); background-color: var(–background-color); 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 { background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; margin-bottom: 20px; border-radius: 8px 8px 0 0; } header h1 { margin: 0; font-size: 2.2em; } h2, h3 { color: var(–primary-color); margin-top: 1.5em; margin-bottom: 0.5em; } .loan-calc-container { background-color: var(–card-background); padding: 25px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; border: 1px solid var(–border-color); } .loan-calc-container h2 { text-align: center; margin-top: 0; margin-bottom: 20px; color: var(–primary-color); } .input-group { margin-bottom: 20px; padding: 10px; border-radius: 5px; transition: background-color 0.3s ease; } .input-group:hover { background-color: #e9ecef; } .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% – 20px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; margin-top: 5px; } .input-group input[type="number"]:focus, .input-group input[type="text"]:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group small { display: block; margin-top: 8px; color: #6c757d; font-size: 0.85em; } .error-message { color: #dc3545; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-around; margin-top: 30px; flex-wrap: wrap; gap: 15px; } button { padding: 12px 25px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; transition: background-color 0.3s ease, transform 0.2s ease; font-weight: bold; } button:hover { transform: translateY(-2px); } button[onclick*="calculate"] { background-color: var(–primary-color); color: white; } button[onclick*="calculate"]:hover { background-color: #003366; } button[onclick*="reset"] { background-color: #6c757d; color: white; } button[onclick*="reset"]:hover { background-color: #5a6268; } button[onclick*="copy"] { background-color: var(–success-color); color: white; } button[onclick*="copy"]:hover { background-color: #218838; } #results { margin-top: 30px; padding: 20px; background-color: #e9ecef; border-radius: 8px; border: 1px solid var(–border-color); } #results h3 { text-align: center; margin-top: 0; color: var(–primary-color); } .result-item { margin-bottom: 15px; display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(–border-color); } .result-item:last-child { border-bottom: none; } .result-label { font-weight: bold; color: #555; } .result-value { font-weight: bold; color: var(–primary-color); } #primary-result { font-size: 1.8em; color: var(–success-color); text-align: center; margin-bottom: 20px; padding: 15px; background-color: #d4edda; border-radius: 5px; border: 1px solid var(–success-color); } #formula-explanation { text-align: center; font-style: italic; color: #6c757d; margin-top: 20px; font-size: 0.95em; } #chartContainer { width: 100%; text-align: center; margin-top: 30px; } #chartContainer canvas { max-width: 100%; height: auto; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; caption-side: top; text-align: left; } table { width: 100%; border-collapse: collapse; margin-top: 15px; box-shadow: var(–shadow); border-radius: 5px; overflow: hidden; } th, td { padding: 12px 15px; text-align: left; border: 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: #e2e2e2; } .article-content { margin-top: 30px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); border: 1px solid var(–border-color); } .article-content h2 { margin-top: 1.5em; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } .article-content h3 { margin-top: 1em; color: #0056b3; } .article-content p { margin-bottom: 1em; } .article-content ul, .article-content ol { margin-left: 20px; margin-bottom: 1em; } .article-content li { margin-bottom: 0.5em; } .faq-item { margin-bottom: 15px; padding: 10px; border: 1px solid #e0e0e0; border-radius: 4px; } .faq-item strong { color: var(–primary-color); display: block; margin-bottom: 5px; } .internal-links { margin-top: 20px; padding: 15px; background-color: #eef5ff; border-radius: 5px; border-left: 4px solid var(–primary-color); } .internal-links ul { list-style: none; padding: 0; margin: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-style: italic; color: #555; font-size: 0.9em; margin-top: 5px; } .highlight { background-color: var(–primary-color); color: white; padding: 3px 6px; border-radius: 3px; } @media (max-width: 768px) { .container { margin: 10px; padding: 15px; } header h1 { font-size: 1.8em; } button { padding: 10px 20px; font-size: 0.95em; } .button-group { flex-direction: column; align-items: center; } }

Chase Car Finance Calculator

Estimate your monthly car payments and total loan costs.

Car Loan Payment Calculator

Enter the total price of the car or the amount you wish to borrow.
Enter the estimated annual interest rate for your car loan.
Enter the total duration of the loan in months (e.g., 60 months for 5 years).
Enter the amount you plan to pay upfront.

Your Estimated Loan Details

Total Loan Amount
Total Interest Paid
Total Repayment
Interest Rate Used
Monthly Payment Breakdown Over Time
Loan Amortization Schedule
Month Payment Principal Interest Balance

What is a Chase Car Finance Calculator?

A Chase car finance calculator is a specialized online tool designed to help individuals estimate the potential monthly payments, total interest, and overall cost of a car loan when financing through Chase or a similar lender. While Chase itself may not offer a branded calculator directly on its public-facing website for auto loans, many reputable financial websites and automotive dealerships provide such tools that use the same underlying principles. These calculators are invaluable for budgeting, comparing loan offers, and making informed decisions before committing to a vehicle purchase. They allow potential borrowers to input key loan variables like the car's price, the desired loan term, the interest rate, and any down payment to see a projected repayment schedule.

Who Should Use a Car Finance Calculator?

Anyone planning to finance a vehicle should consider using a car finance calculator. This includes:

  • First-time car buyers: To understand the financial commitment involved.
  • Individuals looking to upgrade or replace their current vehicle: To budget for a new purchase.
  • Those comparing loan offers: To see how different interest rates and terms affect payments.
  • Budget-conscious consumers: To ensure a car loan fits comfortably within their monthly expenses.

Common Misconceptions About Car Financing

  • "The advertised price is all I'll pay": This often doesn't include interest, fees, taxes, or potential add-ons.
  • "Lower monthly payments are always better": A lower monthly payment often means a longer loan term, leading to significantly more interest paid over time.
  • "I can get approved for any loan": Approval depends on credit score, income, and loan-to-value ratio. Calculators help estimate affordability based on assumed rates.
  • "Dealership financing is always the best option": It's crucial to compare dealership offers with pre-approved loans from banks or credit unions.

Car Finance Formula and Mathematical Explanation

The core of a car finance calculator relies on the standard formula for calculating the payment amount (M) of an amortizing loan, often referred to as an annuity formula:

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]

Where:

  • M = Your total monthly loan payment.
  • P = The principal loan amount (car price minus down payment).
  • i = Your monthly interest rate (annual rate divided by 12).
  • n = The total number of payments (loan term in months).

Variable Explanations

Loan Calculation Variables
Variable Meaning Unit Typical Range
P (Principal Loan Amount) The total amount borrowed for the car, after the down payment. USD ($) $5,000 – $100,000+
Annual Interest Rate The yearly cost of borrowing money, expressed as a percentage. % 3% – 20%+ (highly dependent on creditworthiness)
i (Monthly Interest Rate) The annual interest rate divided by 12. Decimal (e.g., 0.075 / 12) 0.0025 – 0.017+
Loan Term The duration of the loan. Months 24 – 84 months typically
n (Number of Payments) Total number of monthly payments required. Months (Loan Term in Years * 12)
M (Monthly Payment) The fixed amount paid each month. USD ($) Calculated
Down Payment Amount paid upfront. USD ($) $0 – 20%+ of car price

Calculating Total Interest and Repayment

Once the monthly payment (M) is calculated, determining the total interest paid and the total repayment is straightforward:

  • Total Repayment = M * n
  • Total Interest Paid = (M * n) – P

Our Chase car finance calculator performs these calculations in real-time, providing a clear financial picture.

Practical Examples (Real-World Use Cases)

Example 1: New Car Purchase

Sarah is buying a new car priced at $30,000. She plans to make a down payment of $5,000. She has secured an auto loan offer from a lender with an estimated annual interest rate of 6.5% for a term of 60 months.

  • Car Price: $30,000
  • Down Payment: $5,000
  • Principal Loan Amount (P): $30,000 – $5,000 = $25,000
  • Annual Interest Rate: 6.5%
  • Loan Term: 60 months

Using the calculator:

  • The estimated Monthly Payment (M) is approximately $494.99.
  • The Total Loan Amount calculated is $25,000.00.
  • The Total Interest Paid over 60 months is approximately $4,699.40.
  • The Total Repayment is approximately $29,699.40 ($25,000 + $4,699.40).

Financial Interpretation: Sarah will pay just under $4,700 in interest for borrowing $25,000 over 5 years. Her monthly budget needs to accommodate nearly $500 for this car payment.

Example 2: Used Car Financing with Higher Rate

John is purchasing a used car for $15,000. He has a lower credit score and expects a higher interest rate. He will make a $1,000 down payment and needs financing for the remaining amount over 72 months at an estimated 12% annual interest rate.

  • Car Price: $15,000
  • Down Payment: $1,000
  • Principal Loan Amount (P): $15,000 – $1,000 = $14,000
  • Annual Interest Rate: 12%
  • Loan Term: 72 months

Using the calculator:

  • The estimated Monthly Payment (M) is approximately $289.59.
  • The Total Loan Amount calculated is $14,000.00.
  • The Total Interest Paid over 72 months is approximately $6,850.48.
  • The Total Repayment is approximately $20,850.48 ($14,000 + $6,850.48).

Financial Interpretation: John's higher interest rate significantly increases the total cost. He'll pay nearly $7,000 in interest over 6 years, and his monthly payment is higher than Sarah's despite borrowing less principal. This highlights the importance of a good credit score for better car loan options.

How to Use This Chase Car Finance Calculator

Using this calculator is simple and designed for quick, accurate estimates:

  1. Enter Car Price: Input the full purchase price of the vehicle.
  2. Input Down Payment: Enter the amount you plan to pay upfront. The calculator will automatically determine the 'Loan Amount' (Principal).
  3. Estimate Annual Interest Rate: Enter the percentage rate you anticipate or have been offered. This is a crucial factor.
  4. Specify Loan Term: Choose the number of months you want to finance the car over. Remember, longer terms mean lower monthly payments but higher total interest.
  5. Calculate: Click the 'Calculate Payments' button.

How to Read Results

  • Primary Highlighted Result (Monthly Payment): This is the most direct output, showing the estimated amount you'll pay each month.
  • Total Loan Amount: Confirms the principal amount being financed.
  • Total Interest Paid: Shows the total cost of borrowing over the life of the loan. This is key for understanding the true cost of the loan.
  • Total Repayment: The sum of the principal and all interest paid.
  • Chart & Table: Visualize the breakdown of principal vs. interest and see the loan balance decrease over time with the amortization schedule.

Decision-Making Guidance

Use the results to:

  • Affordability Check: Ensure the calculated monthly payment fits comfortably within your budget. Aim for a payment that doesn't exceed 10-15% of your take-home pay.
  • Compare Loan Offers: Input details from different loan quotes to see which offers the lowest total cost.
  • Term vs. Payment Trade-off: Experiment with different loan terms. See how extending the term lowers monthly payments but increases total interest, and vice-versa.

Key Factors That Affect Car Finance Results

Several elements significantly influence your car loan's outcome. Understanding these helps in negotiating better terms and managing expectations:

  1. Credit Score: This is arguably the most critical factor. A higher credit score (e.g., 700+) typically qualifies you for lower interest rates, drastically reducing the total interest paid. Lenders view lower scores as higher risk, leading to increased rates.
  2. Loan Term (Duration): A longer loan term (e.g., 72 or 84 months) results in lower monthly payments but substantially increases the total interest paid over the life of the loan. Shorter terms (e.g., 36 or 48 months) mean higher monthly payments but less interest paid overall.
  3. Interest Rate (APR): The Annual Percentage Rate (APR) represents the cost of borrowing. Even a small difference in the APR can translate to thousands of dollars saved or spent over the loan's duration. Market conditions and lender risk assessment determine the rates offered.
  4. Down Payment Amount: A larger down payment reduces the principal loan amount (P). This not only lowers the total interest paid but can also help you secure a lower interest rate, as it decreases the lender's risk (Loan-to-Value ratio).
  5. Vehicle Price and Age: Newer, more expensive vehicles typically have lower interest rates compared to older, high-mileage used cars. Lenders often perceive used cars as higher risk due to potential maintenance issues and faster depreciation.
  6. Dealer Fees and Add-ons: Be aware of extra charges like documentation fees, extended warranties, GAP insurance, or ceramic coating. While some might be negotiable, they increase the total amount financed or the out-of-pocket cost, impacting your overall financial commitment. Always clarify what's included in the final price and loan.
  7. Economic Conditions & Inflation: Broader economic factors can influence interest rate trends. Central bank policies aimed at controlling inflation can lead to higher benchmark rates, which trickle down to consumer loans like car finance.

Frequently Asked Questions (FAQ)

Q1: Can I use this calculator for any car loan, not just Chase?

A: Yes! This calculator uses the standard auto loan formula applicable to most lenders, including Chase, banks, credit unions, and other financing companies. The specific rates and terms will vary by lender.

Q2: What is the difference between APR and simple interest?

A: APR (Annual Percentage Rate) reflects the total cost of borrowing, including the interest rate and certain fees, expressed annually. Car loans typically use APR, which is applied to the outstanding balance. Simple interest is a less common calculation for loans and usually applies to short-term scenarios.

Q3: How does my credit score affect my car loan payments?

A: A higher credit score generally grants you access to lower interest rates. This means lower monthly payments and significantly less interest paid over the loan's life. Conversely, a lower score typically results in higher rates and payments.

Q4: What's a reasonable loan term for a car?

A: While terms up to 84 months are available, 60-72 months is common. Shorter terms (48-60 months) are often recommended to minimize total interest paid, provided the monthly payments are affordable.

Q5: Should I always make a down payment?

A: A down payment is highly recommended. It reduces your loan amount, lowers total interest paid, and can improve your chances of loan approval and getting a better rate. Aim for at least 10-20% if possible.

Q6: What happens if I can't make a monthly payment?

A: Missing payments can lead to late fees, damage to your credit score, and potentially repossession of the vehicle. Contact your lender immediately to discuss options like deferment or modified payment plans.

Q7: Does the calculator include taxes and fees?

A: This calculator primarily focuses on the loan principal, interest rate, and term. Sales tax, registration fees, and dealer documentation fees are separate costs that add to the overall purchase price but aren't directly factored into the loan payment calculation itself unless rolled into the principal amount. You should confirm the total out-the-door price with the dealer.

Q8: How can I get pre-approved for a car loan?

A: You can apply for pre-approval directly through banks, credit unions, or online lenders. Getting pre-approved gives you a clear budget and strengthens your negotiating position at the dealership.

var chartInstance = null; // Global variable to hold chart instance function validateInput(id, min, max, errorMessageId, fieldName) { var input = document.getElementById(id); var errorElement = document.getElementById(errorMessageId); var value = parseFloat(input.value); errorElement.style.display = 'none'; // Hide error by default if (isNaN(value)) { errorElement.textContent = fieldName + " cannot be empty."; errorElement.style.display = 'block'; return false; } if (value max) { errorElement.textContent = fieldName + " cannot be more than " + max.toLocaleString() + "."; errorElement.style.display = 'block'; return false; } if (id === 'loanTerm' && value === 0) { errorElement.textContent = fieldName + " cannot be zero."; errorElement.style.display = 'block'; return false; } return true; } function formatCurrency(amount) { return "$" + amount.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$1,'); } function formatPercent(rate) { return rate.toFixed(2) + "%"; } function calculateCarFinance() { // Clear previous errors document.getElementById('loanAmountError').style.display = 'none'; document.getElementById('interestRateError').style.display = 'none'; document.getElementById('loanTermError').style.display = 'none'; document.getElementById('downPaymentError').style.display = 'none'; // Validate inputs var isValidLoanAmount = validateInput('loanAmount', 1, undefined, 'loanAmountError', 'Car Price'); var isValidInterestRate = validateInput('interestRate', 0.1, 100, 'interestRateError', 'Annual Interest Rate'); var isValidLoanTerm = validateInput('loanTerm', 1, 360, 'loanTermError', 'Loan Term'); var isValidDownPayment = validateInput('downPayment', 0, undefined, 'downPaymentError', 'Down Payment'); if (!isValidLoanAmount || !isValidInterestRate || !isValidLoanTerm || !isValidDownPayment) { return; // Stop calculation if any input is invalid } var carPrice = parseFloat(document.getElementById('loanAmount').value); var annualInterestRate = parseFloat(document.getElementById('interestRate').value); var loanTermMonths = parseInt(document.getElementById('loanTerm').value); var downPayment = parseFloat(document.getElementById('downPayment').value); // Adjust loan amount based on down payment var principal = carPrice – downPayment; if (principal 0 && monthlyInterestRate > 0 && loanTermMonths > 0) { monthlyPayment = principal * (monthlyInterestRate * Math.pow(1 + monthlyInterestRate, loanTermMonths)) / (Math.pow(1 + monthlyInterestRate, loanTermMonths) – 1); totalRepayment = monthlyPayment * loanTermMonths; totalInterestPaid = totalRepayment – principal; } else if (principal > 0 && loanTermMonths > 0) { // Case for 0% interest monthlyPayment = principal / loanTermMonths; totalInterestPaid = 0; totalRepayment = principal; } else { monthlyPayment = 0; totalInterestPaid = 0; totalRepayment = principal; } // Ensure results are not negative if (monthlyPayment < 0) monthlyPayment = 0; if (totalInterestPaid < 0) totalInterestPaid = 0; if (totalRepayment < 0) totalRepayment = 0; // Display primary result var primaryResultElement = document.getElementById('primary-result'); primaryResultElement.textContent = formatCurrency(monthlyPayment); primaryResultElement.style.display = 'block'; // Display intermediate results document.getElementById('totalInterestResult').textContent = formatCurrency(totalInterestPaid); document.getElementById('totalRepaymentResult').textContent = formatCurrency(totalRepayment); document.getElementById('effectiveRateResult').textContent = formatPercent(annualInterestRate); // Explanation of Formula var explanationText = "Monthly Payment (M) = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]"; if (monthlyInterestRate === 0) { explanationText = "Monthly Payment (M) = P / n (for 0% interest)"; } document.getElementById('formula-explanation').textContent = explanationText; // Generate Amortization Table and Chart Data var balance = principal; var cumulativeInterest = 0; var cumulativePrincipal = 0; for (var i = 1; i <= loanTermMonths; i++) { var interestForMonth = balance * monthlyInterestRate; var principalForMonth = monthlyPayment – interestForMonth; // Adjust for potential floating point inaccuracies in the last payment if (i === loanTermMonths) { principalForMonth = balance; monthlyPayment = interestForMonth + principalForMonth; // Adjust final payment totalInterestPaid = cumulativeInterest + interestForMonth; // Recalculate total interest accurately totalRepayment = principal + totalInterestPaid; // Recalculate total repayment } if (balance – principalForMonth < 0) { // Prevent negative balance due to rounding principalForMonth = balance; monthlyPayment = interestForMonth + principalForMonth; totalInterestPaid = cumulativeInterest + interestForMonth; totalRepayment = principal + totalInterestPaid; balance = 0; } else { balance -= principalForMonth; } cumulativeInterest += interestForMonth; cumulativePrincipal += principalForMonth; amortizationData.push({ month: i, payment: monthlyPayment, principal: principalForMonth, interest: interestForMonth, balance: balance }); } // Update Amortization Table var tableBody = document.getElementById('amortizationBody'); tableBody.innerHTML = ''; // Clear previous rows amortizationData.forEach(function(rowData) { var row = tableBody.insertRow(); row.insertCell().textContent = rowData.month; row.insertCell().textContent = formatCurrency(rowData.payment); row.insertCell().textContent = formatCurrency(rowData.principal); row.insertCell().textContent = formatCurrency(rowData.interest); row.insertCell().textContent = formatCurrency(rowData.balance); }); // Update Chart updateChart(amortizationData, principal, totalInterestPaid); } function updateChart(amortizationData, principal, totalInterest) { var ctx = document.getElementById('loanChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Prepare data for the chart var labels = []; var principalSeries = []; var interestSeries = []; var cumulativePrincipal = 0; var cumulativeInterest = 0; // Sample data points for chart (e.g., every 10% of the loan term or max 12 points) var step = Math.max(1, Math.floor(amortizationData.length / 12)); for (var i = 0; i < amortizationData.length; i++) { if (i === 0 || (i + 1) % step === 0 || i === amortizationData.length – 1) { labels.push("Month " + (i + 1)); cumulativePrincipal += amortizationData[i].principal; cumulativeInterest += amortizationData[i].interest; principalSeries.push(cumulativePrincipal); interestSeries.push(cumulativeInterest); } } // Ensure the last point is always included if not already if (labels.length === 0 || labels[labels.length – 1] !== "Month " + amortizationData.length) { labels.push("Month " + amortizationData.length); principalSeries.push(principal); interestSeries.push(totalInterest); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Cumulative Principal Paid', data: principalSeries, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: false, tension: 0.1 }, { label: 'Cumulative Interest Paid', data: interestSeries, borderColor: 'var(–success-color)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Amount ($)' }, ticks: { callback: function(value) { return formatCurrency(value); } } }, x: { title: { display: true, text: 'Loan Period' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += formatCurrency(context.parsed.y); } return label; } } } } } }); } function resetCalculator() { document.getElementById('loanAmount').value = '25000'; document.getElementById('interestRate').value = '7.5'; document.getElementById('loanTerm').value = '60'; document.getElementById('downPayment').value = '2000'; // Clear results and errors document.getElementById('primary-result').textContent = '–'; document.getElementById('totalLoanAmountResult').textContent = '–'; document.getElementById('totalInterestResult').textContent = '–'; document.getElementById('totalRepaymentResult').textContent = '–'; document.getElementById('effectiveRateResult').textContent = '–'; document.getElementById('formula-explanation').textContent = ''; document.getElementById('amortizationBody').innerHTML = ''; var errorElements = document.querySelectorAll('.error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].style.display = 'none'; } // Reset chart canvas var canvas = document.getElementById('loanChart'); if (canvas) { var context = canvas.getContext('2d'); context.clearRect(0, 0, canvas.width, canvas.height); } if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Trigger calculation with default values calculateCarFinance(); } function copyResults() { var primaryResult = document.getElementById('primary-result').textContent; var totalLoanAmount = document.getElementById('totalLoanAmountResult').textContent; var totalInterest = document.getElementById('totalInterestResult').textContent; var totalRepayment = document.getElementById('totalRepaymentResult').textContent; var effectiveRate = document.getElementById('effectiveRateResult').textContent; var formula = document.getElementById('formula-explanation').textContent; var assumptions = [ "Car Price: $" + parseFloat(document.getElementById('loanAmount').value).toFixed(2), "Down Payment: $" + parseFloat(document.getElementById('downPayment').value).toFixed(2), "Interest Rate Used: " + document.getElementById('effectiveRateResult').textContent, "Loan Term: " + document.getElementById('loanTerm').value + " months" ]; var textToCopy = "— Car Finance Calculator Results —\n\n"; textToCopy += "Estimated Monthly Payment: " + primaryResult + "\n"; textToCopy += "Total Loan Amount Financed: " + totalLoanAmount + "\n"; textToCopy += "Total Interest Paid: " + totalInterest + "\n"; textToCopy += "Total Repayment: " + totalRepayment + "\n\n"; textToCopy += "Key Assumptions:\n"; assumptions.forEach(function(assumption) { textToCopy += "- " + assumption + "\n"; }); textToCopy += "\nFormula Used: " + formula; // Use navigator.clipboard for modern browsers, fallback to textarea if (navigator.clipboard && window.isSecureContext) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy text: ', err); fallbackCopyTextToClipboard(textToCopy); }); } else { fallbackCopyTextToClipboard(textToCopy); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; // Avoid scrolling to bottom textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Could not copy text. Please copy manually.'); } document.body.removeChild(textArea); } // Initial calculation on page load window.onload = function() { calculateCarFinance(); };

Leave a Comment