Car Payment Calculator

Free car payment calculator. Estimate your monthly auto loan payment with down payment, trade-in value, sales tax, and interest rate. Compare loan terms from 12 to 96 months side by side. Includes amortization schedule, negative equity handling, and extra payment savings analysis for new and used car loans.

35K
5.0K
%
mo

Monthly Payment
$601.14
601
$30,000
30K · Loan Amount
$6,068
6.1K · Total Interest
Principal 83%
Interest 17%
Total Cost
$41,068
41K
Sales Tax
$0
at 0%
Loan-to-Value
85.7%
Healthy

Loan Term Comparison

Compare monthly payments and total costs across different loan terms

TermMonthlyTotal InterestTotal Cost
24 mo$1,349.99$2,400$37,400
36 mo$933.19$3,595$38,595
48 mo$725.37$4,818$39,818
60 mo$601.14$6,068$41,068
72 mo$518.7$7,347$42,347
84 mo$460.15$8,652$43,652

Loan Balance Over Time

Cumulative principal & interest paid vs. remaining balance

Principal Paid
Interest Paid
Balance

Amortization Schedule

See how your loan balance reduces over time with each payment

YearPrincipalInterestBalance
1$5,138$2,076$24,862
2$5,537$1,677$19,325
3$5,967$1,247$13,359
4$6,430$784$6,929
5$6,929$285$0

What Is a Car Payment Calculator?

Estimate your monthly auto loan payment before you visit the dealership

A car payment calculator estimates your monthly payment on an auto loan based on the vehicle price, down payment, interest rate, and loan term. It helps you understand the true cost of financing a car before committing to a purchase.

Unlike simple calculators, this tool also accounts for trade-in value, negative equity (when you owe more than your trade-in is worth), and sales tax — giving you a realistic picture of your actual monthly obligation.

Down Payment

Reduce your loan amount

Trade-in Value

Offset your purchase price

Sales Tax

State tax on the purchase

Car Payment Formula

The standard amortization formula used for auto loans

The monthly car payment is calculated using the standard amortization formula:

M = P × [r(1 + r)n] / [(1 + r)n − 1]

M

Monthly payment

P

Loan amount

r

Monthly rate (APR ÷ 12 ÷ 100)

n

Term in months

Example: $35,000 car with $5,000 down at 7.5% for 60 months

  • Loan amount (P) = $35,000 − $5,000 = $30,000
  • Monthly rate (r) = 7.5% ÷ 12 ÷ 100 = 0.00625
  • Term (n) = 60 months
  • Monthly payment = $601.14
  • Total interest over 5 years = $6,068

Tips to Lower Your Monthly Car Payment

Practical strategies to reduce what you pay each month

Increase your down payment

Every extra $1,000 down reduces your monthly payment by roughly $17–$20 on a 60-month loan.

Improve your credit score

A higher credit score qualifies you for lower interest rates. Even a 1% rate reduction on a $30,000 loan saves ~$800 in total interest.

Choose a shorter loan term

While monthly payments are higher, you’ll pay significantly less in total interest. A 48-month term vs. 72-month can save thousands.

Shop around for rates

Get pre-approved from your bank or credit union before visiting the dealer. Comparing 3–4 lenders can save you 1–2% APR.

Consider a less expensive vehicle

The most effective way to lower your payment is to lower the purchase price. A $5,000 price reduction saves ~$100/month.

Make extra payments

Even small extra monthly payments reduce your principal faster, saving interest and shortening your loan term.

Average Auto Loan Interest Rates by Credit Score

Typical rates from US lenders (Experian, June 2025 data)

Super Prime (781–850)5.27% – 7.15%
Prime (661–780)6.78% – 9.39%
Near Prime (601–660)9.97% – 13.95%
Subprime (501–600)13.38% – 18.90%
Deep Subprime (300–500)15.97% – 21.58%
0% APR25% APR

Source: Experian, “Average Auto Loan Interest Rates” (June 2025 data, published Aug 2025). Rates are national averages and may vary by lender and location.

Frequently Asked Questions

Common questions about car payments and auto loans