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Free car loan total interest calculator for finance & housing planning— see estimated monthly payment, total repaid, and total interest for a fixed-rate auto loan. Not a lender quote.
Last updated: April 18, 2026
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Total interest (estimate)
$5,567
~17.4% of principal over the term
Monthly payment
$626
Total paid
$37,567
Total interest is total payments minus principal, assuming a fixed rate, fully amortizing loan with no extra fees or prepayment.
Inputs
Financed amount
Use the amount actually financed, including negative equity rolled in if applicable.
Tradeoff
Payment vs interest
Longer terms often lower the payment but increase total interest.
Output
Dollars + %
See total interest and interest relative to principal for quick comparisons.
Model
Fixed rate
Same payment each month; early payments skew toward interest.
Use case
What-if
Run multiple scenarios to compare total interest before signing.
Disclaimer
Illustrative
Lenders may round payments or use different day-count rules slightly.
Default: $32,000 financed, 6.5% APR, 60-month term:
Total interest (approx.)
~$5,567
We calculate the fixed monthly payment that amortizes your loan amount to zero over the selected term at your APR, assuming monthly compounding consistent with common auto loan quotes. Total interest is the difference between total payments and the original principal.
Payment = amortized P&I from principal, APR, and monthsTotal paid = Payment × MonthsTotal interest = Total paid − PrincipalAt 0% APR, total interest is zero and the payment is principal divided by months.
Try our vehicle refinance calculator
Paying ahead? See our remaining car loan payoff calculator.
Get a Custom CalculatorRun this calculator twice with the same loan amount and APR but different terms to compare total interest side by side.
Always confirm the out-the-door financed amount and APR on your retail installment contract.
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