Auto Loans

New Car Loan Calculator

Estimates monthly payments for a new-car loan from the amount financed, annual interest rate, and term in months, alongside the total interest and total cost.

What this calculator does

The New Car Loan Calculator estimates your result instantly from the values you enter, using standard auto loans formulas. Estimates monthly payments for a new-car loan from the amount financed, annual interest rate, and term in months, alongside the total interest and total cost. Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate for planning rather than financial advice.

Your Summary

$0.00
Monthly Payment
$0.00
Total Interest
$0.00
Total Cost

Explanation

About New Car Loan Calculator

New-car financing often stretches across longer terms, which changes both the payment and the interest you pay. Supply the amount financed, the annual interest rate, and the term in months to see the monthly payment for a new-car loan.

The tool also breaks out the total interest and the total cost over the life of the loan.

Formula & Mathematical Calculation

pmt = r === 0 ? (p ÷ n) : (p × r × pow(1 + r, n)) ÷ (pow(1 + r, n) - 1)

tot = pmt × n

Derived directly from the verified calculation function in the tool engine.

Calculation Example

Consider financing a new car for $35,000 at 4.9% annual interest over 72 months.

  • Monthly rate r = 4.9 ÷ 100 ÷ 12 = 0.00408333, and (1 + r)72 = 1.340981.
  • Monthly Payment = 35,000 × 0.00408333 × 1.340981 ÷ (1.340981 − 1) = $562.05.
  • Total Cost, the payment applied across all 72 months, = $40,467.64.
  • Total Interest = 40,467.64 − 35,000.00 = $5,467.64.

Key Benefits

  • Estimates the monthly payment on a new-car loan for any amount, rate, and term.
  • Highlights how a longer term raises the total interest.
  • Shows the total cost of financing the vehicle.
  • Provides a visual split of principal versus interest.

How to Use this Calculator

  1. Enter the amount
    Type the amount you plan to finance into the "Amount ($)" field.
  2. Add the interest rate
    Enter the annual interest rate in the "Interest Rate (%)" field.
  3. Set the term
    Enter the repayment length in the "Term (Months)" field.
  4. Calculate
    Select the Calculate button to run the amortization formula.
  5. Read the results
    Review the Monthly Payment, Total Interest, and Total Cost boxes and the principal-versus-interest chart.

Assumptions & Limitations

What the calculation assumes

  • Every value you enter is treated as an exact, known amount.
  • Rates and contributions are assumed to stay constant for the whole period unless the form asks for them separately.
  • Results use standard financial formulas and ignore fees, penalties and promotional terms that are not entered above.
  • Inflation, tax changes and market volatility are not modelled unless a field for them is provided.
  • Amounts are unit-agnostic: results are returned in the same currency you enter.

What it does not cover

  • New Car Loan Calculator produces estimates for education and planning, not a quote, offer or professional advice.
  • Real-world outcomes differ when fees, taxes, rounding rules or provider-specific terms apply.
  • Local regulations and tax rules vary by country and change over time; verify current rules for your jurisdiction.
  • Figures are only as accurate as the inputs you supply — check them before acting on the result.
  • For decisions with lasting financial impact, confirm the numbers with a qualified professional.

Frequently Asked Questions

Yes. Enter the term in months, so 72 or 84 works the same as any shorter term.

A longer term spreads payments over more months, so even at a low rate the accumulated interest and total cost can be sizeable.

Enter the amount you are actually borrowing after any down payment or trade-in, since that is what accrues interest.

The calculator requires a term of at least one month and shows an inline message until you enter a valid number.

Free to use, no account needed. Calculations run in your browser, so nothing you type is sent to a server. Results are estimates — how we build and check our calculators.