An Auto Loan Calculator helps you instantly estimate your monthly car payments, total loan cost, and interest based on your loan amount, interest rate, and repayment term. For anyone planning to buy a new or used car in the United States, this tool makes the financing process easier and more transparent. Instead of guessing how much you can afford, the calculator provides clear numbers that help you plan your budget with confidence.
Car buyers across major states such as California, Texas, Florida, New York, Illinois, Pennsylvania, Georgia, North Carolina, Michigan, and Washington rely on auto loan calculators before choosing a lender. It allows you to compare different APRs, loan durations, and down payment options to find the most affordable monthly payment for your financial situation.
Many well-known U.S. banks and lenders offer competitive auto loan rates, including Bank of America, Chase Auto, Wells Fargo Auto, Capital One Auto Finance, U.S. Bank, PNC Bank, Ally Financial, and Navy Federal Credit Union. With an Auto Loan Calculator, you can quickly see how the rates from these lenders impact your overall loan cost. This is especially useful when shopping around or negotiating with dealerships, as you can immediately identify the best financing option.
Instant monthly payment & full amortization schedule
Monthly Payment
| Month | Payment | Principal | Interest | Balance |
|---|
Results are estimates. Actual terms may vary.
A smart, fast, and accurate Auto Loan Calculator that helps car buyers across the USA estimate monthly payments, interest costs, and total loan amount before visiting a dealership or applying with lenders like Navy Federal, Bank of America, USAA, BDO, BPI, Scotiabank, and others.
This tool works for all states — whether you’re comparing auto loan rates in Texas, checking monthly payments in Florida, or calculating interest for any USA-based car loan.
In the past several years, it has grown harder to buy a car in the US since interest rates have changed, lender laws have become stricter, and automobile costs have kept going up in almost every state. It’s more crucial than ever to have an accurate and clear calculating tool, whether someone is looking for an auto loan calculator in Texas, comparing a Bank of America auto loan calculator with a USAA auto loan calculator, or figuring out payments with a Navy Federal auto loan calculator.
A contemporary Auto Loan Calculator lets drivers figure out how much they will have to pay each month, how much interest they will have to pay throughout the life of the loan, and how much they will really owe before they sign a contract. It helps purchasers understand how to get financing from dealerships, online lenders, banks, and credit unions all around the US.
| State | Bank of America Auto Loan Rate % | Chase Bank % | Wells Fargo Bank % | Capital One % | U.S. Bank % | PNC Bank % | Ally Bank % | TD Bank % | Citi Bank Rate % | Navy Federal Loan Rate % | PenFed Credit Union – Rate % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alabama | 6.24 | 6.80 | 6.54 | 6.02 | 6.18 | 5.94 | 5.80 | 6.30 | 7.30 | 4.69 | 5.14 |
| Alaska | 5.74 | 6.30 | 6.04 | 5.52 | 5.68 | 5.44 | 5.30 | 5.80 | 6.80 | 4.19 | 4.64 |
| Arizona | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| Arkansas | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| California | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| Colorado | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| Connecticut | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Delaware | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Florida | 6.24 | 6.80 | 6.54 | 6.02 | 6.18 | 5.94 | 5.80 | 6.30 | 7.30 | 4.69 | 5.14 |
| Georgia | 6.24 | 6.80 | 6.54 | 6.02 | 6.18 | 5.94 | 5.80 | 6.30 | 7.30 | 4.69 | 5.14 |
| Hawaii | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| Idaho | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| Illinois | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Indiana | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Iowa | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Kansas | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Kentucky | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| Louisiana | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| Maine | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Maryland | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Massachusetts | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Michigan | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Minnesota | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Mississippi | 6.44 | 7.00 | 6.74 | 6.22 | 6.38 | 6.14 | 6.00 | 6.50 | 7.50 | 4.89 | 5.34 |
| Missouri | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Montana | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| Nebraska | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Nevada | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| New Hampshire | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| New Jersey | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| New Mexico | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| New York | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| North Carolina | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| North Dakota | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Ohio | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Oklahoma | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| Oregon | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| Pennsylvania | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Rhode Island | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| South Carolina | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| South Dakota | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Tennessee | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| Texas | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| Utah | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
| Vermont | 5.14 | 5.70 | 5.44 | 4.92 | 5.08 | 4.84 | 4.70 | 5.20 | 6.20 | 3.59 | 4.04 |
| Virginia | 5.94 | 6.50 | 6.24 | 5.72 | 5.88 | 5.64 | 5.50 | 6.00 | 7.00 | 4.39 | 4.84 |
| Washington | 5.24 | 5.80 | 5.54 | 5.02 | 5.18 | 4.94 | 4.80 | 5.30 | 6.30 | 3.69 | 4.14 |
| West Virginia | 6.44 | 7.00 | 6.74 | 6.22 | 6.38 | 6.14 | 6.00 | 6.50 | 7.50 | 4.89 | 5.34 |
| Wisconsin | 5.34 | 5.90 | 5.64 | 5.12 | 5.28 | 5.04 | 4.90 | 5.40 | 6.40 | 3.79 | 4.24 |
| Wyoming | 5.64 | 6.20 | 5.94 | 5.42 | 5.58 | 5.34 | 5.20 | 5.70 | 6.70 | 4.09 | 4.54 |
An Auto Loan Calculator is a finance tool that computes your monthly car payment, total interest, and overall loan cost based on four inputs:
Loan amount (car price minus down payment & trade-in)
Interest rate (APR)
Loan term (months)
Taxes & dealer fees
It helps every car buyer understand how much a new or used vehicle will actually cost — before signing a contract.
Car dealerships, banks, and credit unions use similar calculations, including lenders such as:
Navy Federal Auto Loan Calculator
USAA Auto Loan Calculator
Bank of America Auto Loan Calculator
Scotiabank Auto Loan Calculator
BPI / BDO Auto Loan Calculators (for comparison)
Understanding how your monthly car payment is calculated is essential for making informed financial decisions. By analyzing your loan structure in advance, you can potentially save thousands of dollars in interest and confidently negotiate more favorable terms at the dealership. This calculator applies the industry-standard auto loan amortization formula to generate precise monthly payment estimates—the same methodology used by leading banks, credit unions, and financial institutions across the United States.
Where:
This is the exact formula used by U.S. lenders and financial institutions.
Let’s say you’re financing $30,000 at 6.5% APR for 60 months:
Plug into the formula:
You’re calculating the monthly payment for:
Loan amount: $30,000
Monthly interest rate: 0.0054167
Loan term: 60 months
Add 1 to the monthly interest rate:
1 + 0.0054167 = 1.0054167
Raise this number to the power of 60:
1.0054167 raised to 60 ≈ 1.389 (rounded)
Multiply the interest rate by this result:
0.0054167 × 1.389 ≈ 0.007527
Subtract 1 from the earlier power result:
1.389 − 1 = 0.389
Now plug everything into the formula for the monthly payment:
Monthly Payment =
30,000 × (0.007527 ÷ 0.389)
Do the division:
0.007527 ÷ 0.389 ≈ 0.01934
Final multiplication:
30,000 × 0.01934 ≈ $580.20
Result: M ≈ $587.05/month
You’ll pay $587.05 for 60 months, totaling $35,223 — with $5,223 in interest.
Estimate how many months it will take to pay off a loan if you add an extra amount to each monthly payment.
When you make extra payments on your loan, you can figure out how many months it will now take to pay off the loan using this formula:
Number of months to pay off =
log(A ÷ (A − r × P)) ÷ log(1 + r)
A = Your normal monthly payment plus your extra payment
(Example: If your payment is $400 and you add $100 extra, then A = $500)
P = Your remaining loan balance
(Example: how much you still owe today)
r = Your monthly interest rate
(Example: If your APR is 6%, divide 0.06 by 12 → 0.005)
This is what you see in an auto loan calculator with extra payments.
Scenario: Standard New-Car Purchase With Upfront Fees and State Tax Calculation
A typical U.S. car buyer financing a new vehicle must account not only for the selling price, but also sales tax, down payment strategy, and how fees impact the total loan cost. This example demonstrates a full, accurate breakdown using the latest 2025 auto loan calculation logic.
This type of setup is one of the most common auto-loan structures in the United States and is ideal for demonstrating how an auto loan calculator applies principal adjustments, sales tax rules, and amortization formulas.
Sales tax is calculated on the vehicle’s purchase price before subtracting the down payment.
Sales Tax = Vehicle Price × Tax Rate
24,000 × 0.05 = 1,200
This tax amount is added to the principal unless the buyer pays it upfront. In this example, the tax is financed, while the fees are paid out-of-pocket.
The auto loan calculator must adjust the principal for down payment and taxes. Because fees are not included in the loan, they do not affect the financed balance.
Amount Financed (P) = Price − Down Payment + Sales Tax
P = 24,000 − 2,000 + 1,200
P = 23,200
This value becomes the starting principal used in the amortization formula.
To determine the monthly payment, the 2025 standardized amortization model is used:
Monthly Payment =
P × r × (1 + r)ⁿ ÷ [(1 + r)ⁿ − 1]
Where:
P = 23,200
r = Monthly interest rate = 0.07 ÷ 12 ≈ 0.005833
n = Loan term = 48 months
After substituting values and calculating:
→ Estimated Monthly Payment ≈ $556–$560 (depending on rounding precision)
This aligns with what advanced auto loan calculators generate when using current amortization standards.
Using the standard U.S. auto loan calculation model, the buyer finances $23,200, leading to an estimated monthly payment near $558 over 48 months at a 7% APR. This example demonstrates the importance of accurate tax application, correct fee handling, and precise amortization logic—especially when comparing loan offers across lenders or using an online auto loan calculator.
An Auto Loan Calculator that properly models taxable treatment, separates rolled fees from upfront costs, and supports extra payments gives borrowers and professionals a clear, auditable picture of cost. The framework above follows standard amortization math, regulatory guidance, and current market context, so results are reproducible and defensible. For a practical implementation that follows these rules and state tax behaviors, consult the tools and references used to build this model and the calculators that implement per-state logic— 1autoloancalculator.com documents this approach for engineers and financial teams.
More than half of U.S. auto buyers underestimate the lifetime cost of a car when they ignore taxes, fees, and how extra payments change amortization; regulators have responded by focusing on clarity in loan disclosures. Accurate, transparent calculations matter now because interest-rate volatility, regional sales taxes, and lender add-ons can swing total cost by thousands of dollars—even for identical principal amounts. The model below is a pragmatic, auditor-friendly framework for an Auto Loan Calculator that produces defensible monthly payments, total interest, and payoff schedules while allowing for regional tax treatment, trade-ins, fees, and extra principal payments. It synthesizes standard amortization math, regulatory practice recommended by the Consumer Financial Protection Bureau, and current market benchmarks so readers can both reproduce results and audit assumptions.