Amortization Calculator

Advanced Car Loan Calculator

36 Months (3 Years) 48 Months (4 Years) 60 Months (5 Years) 72 Months (6 Years) 84 Months (7 Years)
Estimated Monthly Payment $0.00

Total Loan Amount:

$0.00

Total Interest Paid:

$0.00

Sales Tax:

$0.00

Total Cost of Car:

$0.00

function calculateCarLoan() { var price = parseFloat(document.getElementById('carPrice').value) || 0; var down = parseFloat(document.getElementById('downPayment').value) || 0; var trade = parseFloat(document.getElementById('tradeIn').value) || 0; var rate = parseFloat(document.getElementById('interestRate').value) || 0; var term = parseInt(document.getElementById('loanTerm').value) || 0; var taxRate = parseFloat(document.getElementById('salesTax').value) || 0; var taxAmount = price * (taxRate / 100); var principal = (price + taxAmount) – down – trade; if (principal 0) { var x = Math.pow(1 + monthlyRate, term); monthlyPayment = (principal * x * monthlyRate) / (x – 1); } else { monthlyPayment = principal / term; } var totalPayment = monthlyPayment * term; var totalInterest = totalPayment – principal; var totalCost = price + taxAmount + totalInterest; document.getElementById('monthlyPaymentDisplay').innerText = '$' + monthlyPayment.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('totalLoanDisplay').innerText = '$' + principal.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('interestDisplay').innerText = '$' + totalInterest.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('taxDisplay').innerText = '$' + taxAmount.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('totalCostDisplay').innerText = '$' + totalCost.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('results-area').style.display = 'block'; }

Understanding Your Car Loan Calculation

Purchasing a vehicle is one of the most significant financial decisions for many households. Our Car Loan Calculator provides a comprehensive breakdown of your monthly obligation, including the impact of sales tax and interest over time.

Key Components of a Car Loan

  • Principal Amount: The actual amount you borrow after subtracting your down payment and trade-in value from the purchase price, plus applicable sales tax.
  • Interest Rate (APR): The annual percentage rate charged by the lender for borrowing the money. Even a 1% difference can save you thousands over the life of the loan.
  • Loan Term: The duration you have to pay back the loan. Shorter terms (36-48 months) usually have lower interest rates but higher monthly payments, while longer terms (72-84 months) lower the monthly payment but increase the total interest paid.

Example Scenarios

Imagine you are looking at a $30,000 car with a 7% sales tax ($2,100). If you put $5,000 down and have no trade-in, you are financing $27,100.

Term Rate Monthly Payment Total Interest
36 Months 4.0% $800.14 $1,705.10
60 Months 5.5% $517.51 $3,950.41

How to Save Money on Your Auto Loan

To reduce the total cost of your vehicle, consider the following strategies:

  1. Improve Your Credit Score: Higher scores qualify you for lower interest rates.
  2. Increase Your Down Payment: Aim for at least 20% to avoid "gap" insurance and reduce interest.
  3. Refinance Later: If interest rates drop or your credit improves, you can refinance your existing car loan to a lower rate.
  4. Shorten the Term: Avoid 84-month loans if possible, as cars often depreciate faster than you pay down the principal on long-term loans.

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