Car Loan Calculator

Estimate your U.S. auto loan payment, amount financed, total interest, total loan cost, payoff time and potential savings from extra monthly payments.

Car Loan Details

Vehicle Price Purchase Price

Down Payment

Trade-In Value

Sales Tax

Fees

APR

Loan Term Auto Loan

Extra Monthly Payment Optional

Estimated Monthly Car Payment

Principal, interest and selected loan term

Amount Financed

Total Interest

Total Loan Cost

Payoff Time

72 Months

Interest Saved

Extra Payment

$0 / mo

Enter your vehicle and financing details to calculate your estimated auto loan payment.

Principal vs. Interest

Principal

Interest

Car Loan Amortization Schedule

Year	Beginning Balance	Principal Paid	Interest Paid	Total Paid	Remaining Balance

How this car loan calculator works: The calculator estimates an auto loan using the financed vehicle amount, APR and selected repayment term. Sales tax is calculated from the vehicle price and added to the purchase cost. Down payment and trade-in value reduce the amount financed, while fees increase it. Extra monthly payments are applied toward principal and can reduce the total interest and payoff period.

Car Loan Calculator: Calculate Auto Loan Payments, Interest and Total Vehicle Cost

Buying a vehicle is one of the largest financial decisions many households make, and understanding the financing cost before visiting a dealership can make the process considerably easier. Our car loan calculator is designed for U.S. borrowers who want to estimate monthly payments, total interest, repayment cost and the overall affordability of a new or used vehicle before choosing an auto loan.

A reliable car payment calculator can help you move beyond the advertised vehicle price. Your actual monthly obligation may depend on the amount financed, down payment, trade-in value, interest rate, loan term, taxes and other costs. By entering realistic figures into the calculator, you can compare different financing scenarios and understand how changing one variable affects the final payment.

Loan Rate Calculators provides financial calculation tools designed to help users perform preliminary estimates before making borrowing decisions. This auto loan calculator focuses on common U.S. vehicle-financing scenarios and can be used for new cars, used cars, refinancing and different repayment terms.

Quick Tip: Do not judge an auto loan only by its monthly payment. A longer loan term may reduce the monthly payment while increasing the total interest paid over the life of the loan. Compare payment, interest, total repayment and loan duration together.

What Is a Car Loan Calculator?

A car loan calculator is an online financial tool that estimates the cost of financing a vehicle. Instead of manually performing loan calculations, you can enter the amount you expect to finance, annual interest rate and repayment period to estimate your monthly car payment.

Modern auto financing can involve several variables. The vehicle purchase price is only the starting point. A buyer may make a down payment, receive money for a trade-in, pay sales tax and registration charges, purchase optional products, or refinance an existing balance later. A comprehensive auto finance calculator helps you understand the relationship between these variables.

The calculator is intended for estimates rather than a guaranteed loan offer. Actual rates and terms depend on the lender, credit profile, vehicle, loan-to-value ratio, income, debt obligations, location and other underwriting factors.

How Our Online Car Loan Calculator Works

Our online car loan calculator is designed to make vehicle financing calculations straightforward. You can enter the information available to you and use the resulting estimate to compare different auto-loan scenarios.

1. Enter the Vehicle Price

Start with the approximate purchase price of the vehicle. If you are comparing several vehicles, run the calculation separately for each price so you can see how the financed amount changes your monthly obligation.

2. Add Your Down Payment

A larger down payment generally reduces the amount that must be financed. Entering the expected down payment allows the auto payment calculator to produce a more realistic estimate.

3. Enter the Interest Rate

Enter the annual interest rate quoted by a lender or the rate you are using for comparison. Your actual auto loan interest rate can vary depending on credit history, lender policies, vehicle age, loan term and other factors.

4. Select the Loan Term

The loan term determines how many months you will make payments. Common U.S. vehicle financing periods include 36, 48, 60, 72 and 84 months. The longer the term, the lower the scheduled monthly payment may be, but the total interest can increase.

5. Review the Estimated Payment

The calculator estimates the monthly principal and interest payment and helps you evaluate the total financing cost. Use the results as a planning tool when comparing lenders and vehicles.

Auto Loan Payment Formula

A standard fixed-rate installment loan uses an amortization formula to calculate the scheduled payment. The same basic mathematical approach is used for many types of installment financing.

Payment = P × [r(1 + r)ⁿ] ÷ [(1 + r)ⁿ − 1]

In this formula, P represents the principal amount financed, r represents the monthly interest rate, and n represents the total number of monthly payments.

For example, an annual rate is generally converted to a monthly rate by dividing the annual percentage rate by 12 and then by 100 when the rate is entered as a percentage. The calculation then determines the payment required to amortize the balance over the selected term.

Monthly Car Payment Calculator: What Determines Your Payment?

A monthly car payment calculator estimates how much you may need to pay each month under a particular financing scenario. Several factors can significantly affect that amount.

Factor	Effect on Financing
Vehicle Price	A higher purchase price generally increases the amount financed.
Down Payment	A larger down payment reduces the principal financed.
Trade-In Value	Positive trade equity may reduce the amount you need to finance.
Interest Rate	A higher rate generally increases both payment and total interest.
Loan Term	A longer term can lower the scheduled payment but may increase total interest.
Taxes and Fees	Financed taxes and fees increase the amount borrowed.

New vs. Used Car Loan Calculator

A used car loan calculator can be especially useful when shopping for a pre-owned vehicle because used-car financing may have different rates and terms from new-car financing. Vehicle age, mileage, condition and lender policies can influence available financing.

When comparing a new vehicle with a used vehicle, do not look only at the purchase price. Consider the financed amount, expected interest, insurance, maintenance and depreciation. A lower purchase price does not automatically mean the lowest total ownership cost.

Used Auto Loan Calculator for Pre-Owned Vehicles

A used auto loan calculator allows buyers to test different interest rates and repayment periods before making an offer. If a used vehicle has a higher financing rate than a new vehicle, the difference should be included in your comparison.

Car Affordability Calculator: How Much Car Can You Afford?

A car affordability calculator looks at the financing side of a vehicle purchase, but affordability should also include your broader household budget. Your monthly vehicle cost may include the loan payment, insurance, fuel, maintenance, registration and parking.

Before selecting a vehicle, determine a comfortable monthly budget rather than simply asking a dealer what payment you qualify for. Extending the loan term can make an expensive vehicle appear affordable on a monthly basis while increasing the amount of interest paid.

Budgeting Principle: Start with the monthly amount that fits your budget, then work backward to estimate a reasonable vehicle price and loan amount.

Auto Loan Interest Rate Calculator

An auto loan interest calculator helps demonstrate how much of your payment goes toward financing costs. At the beginning of a typical amortizing loan, a larger portion of each payment is allocated to interest because the outstanding principal is at its highest level.

As the balance declines, the interest portion generally decreases while more of each scheduled payment goes toward principal. This process is called amortization.

Why Your Car Loan Rate Matters

Even a relatively small difference in interest rate can affect the total cost of financing, particularly for larger balances or longer repayment periods. When comparing car loan rates, evaluate both the rate and the complete loan terms.

Car Loan Rate vs. APR

The interest rate represents the percentage used to calculate interest on the outstanding loan balance. APR can provide a broader representation of borrowing cost when applicable fees are included under the applicable disclosure rules.

When comparing financing offers, make sure you understand whether quoted figures represent an interest rate or APR and which fees are included. Two loans with similar advertised rates may have different overall costs depending on their terms and fees.

Car Refinance Calculator: Should You Refinance Your Auto Loan?

A car refinance calculator can help estimate whether replacing an existing auto loan with a new loan could reduce your monthly payment or total interest expense.

Refinancing may be worth evaluating when your credit profile has improved, market rates have changed, your current loan carries a relatively high rate, or you need to adjust the repayment period. However, extending the term can lower the monthly payment while increasing total interest.

Auto Loan Refinance Calculator Inputs

Current loan balance
Current interest rate
Remaining loan term
Potential new interest rate
New repayment term
Any applicable refinancing fees

Car Loan Payoff Calculator and Auto Loan Payoff

A car loan payoff calculator can help borrowers understand how additional principal payments may affect the remaining loan balance. Paying extra toward principal can potentially shorten the repayment period and reduce future interest, provided the loan terms allow additional payments without restrictions.

Before making large additional payments, review your loan agreement and confirm how the lender applies extra payments. Some borrowers may also want to maintain an emergency fund rather than directing every available dollar toward debt repayment.

Car Loan Calculator With Extra Payments

Making additional payments can change the amortization of an auto loan. Extra principal reduces the outstanding balance, which can reduce the amount of future interest calculated on that balance.

For example, if your normal monthly payment is $600 and you voluntarily pay an additional $100 toward principal, the additional amount can accelerate the reduction of your balance. The exact savings depend on the remaining balance, interest rate, timing and lender payment rules.

Car Lease Calculator vs. Auto Loan Calculator

A car lease calculator is different from an auto loan calculator because leasing and purchasing use different financial structures. With a traditional auto loan, you borrow money to purchase the vehicle and gradually repay the principal plus interest.

A lease generally involves payments for the right to use the vehicle for a specified period, subject to mileage, condition and contractual requirements. At the end of the lease, options may include returning the vehicle, purchasing it when permitted, or entering another arrangement.

Auto Loan Amortization and Payment Schedule

Vehicle loans are commonly amortizing installment loans. Each scheduled payment contains an interest component and a principal component. Over time, the outstanding principal decreases.

An auto loan payment calculator provides the scheduled payment, while an amortization schedule can show how the balance changes from one payment to the next.

Payment Stage	Typical Pattern
Beginning of Loan	Interest represents a larger share of the payment.
Middle of Loan	Principal reduction becomes increasingly significant.
End of Loan	The remaining balance is gradually reduced to zero.

Example: How to Figure Out a Car Payment

Suppose you purchase a vehicle for $35,000 and make a $5,000 down payment. Your starting financed amount before applicable taxes and fees would be approximately $30,000. If the loan carries a fixed annual interest rate and a selected repayment period, the payment formula can be used to estimate the monthly obligation.

If you increase the down payment, the principal becomes smaller. If you obtain a lower interest rate, the financing cost generally decreases. If you select a longer term, the monthly payment may decrease, but you may pay interest for a longer period.

This is why using a car payment estimator before purchasing can be useful. You can test multiple scenarios instead of making your decision based on one quoted payment.

New Car Loan Calculator for U.S. Buyers

A new-vehicle purchase may qualify for financing programs that differ from those available for used vehicles. Manufacturers, banks, credit unions and other lenders may offer different promotional programs depending on the borrower and vehicle.

When using a vehicle car loan calculator for a new vehicle, consider the negotiated selling price rather than focusing exclusively on the manufacturer's suggested retail price. Add the estimated down payment and any costs you expect to finance.

Used Car Loan Estimator for Pre-Owned Vehicles

A used car loan estimator can help you determine whether a pre-owned vehicle fits your financing budget. Used vehicles may have lower purchase prices, but financing terms can vary based on age, mileage and lender requirements.

Compare the total financing cost rather than assuming the cheapest vehicle price will always produce the lowest financial cost.

Trade-In Value and Down Payment in an Auto Finance Calculator

Your trade-in can influence the amount you need to finance. If the trade-in is worth more than the remaining balance on your existing vehicle loan, you may have positive equity that can contribute toward the next purchase.

Negative equity works differently. If you owe more than the vehicle is worth, the difference may need to be paid separately or may be incorporated into another financing arrangement depending on the transaction and lender.

How Credit Scores Affect Auto Loan Rates

Lenders commonly consider credit history when evaluating an auto-loan application. A stronger credit profile may help a borrower qualify for more favorable rates, although credit score is only one factor.

Other factors may include income, existing debt obligations, loan amount, vehicle type, vehicle age, repayment term and lender-specific underwriting standards.

Improving Your Auto Financing Position

Review your credit reports for inaccurate information.
Compare multiple financing offers.
Consider a reasonable down payment.
Choose a repayment period that fits your budget.
Compare APR and total borrowing cost, not only monthly payment.
Avoid unnecessary financed add-ons when they do not fit your budget.

How to Compare Auto Loan Offers

When comparing lenders, place the offers side by side. A lower monthly payment does not necessarily mean a cheaper loan. The repayment term may be longer, resulting in more interest over the life of the financing.

Comparison Factor	Why It Matters
Interest Rate	Determines the interest charged on the outstanding balance.
APR	Helps evaluate borrowing cost when applicable fees are included.
Loan Term	Changes both monthly payment and total interest.
Total Payments	Shows the overall amount paid over the repayment period.
Fees	Can increase the effective cost of financing.
Prepayment Rules	Important if you plan to repay the loan early.

Using a Car Loan Calculator Before Going to a Dealership

One of the most useful times to use an auto payment estimator is before negotiating at a dealership. Knowing your approximate financing budget can help you evaluate a proposed payment more confidently.

Ask for the vehicle selling price, financing rate, term, amount financed and applicable fees separately. This makes it easier to identify whether a lower payment is being created by extending the repayment period rather than reducing the actual vehicle cost.

Common Car Financing Mistakes to Avoid

Focusing Only on Monthly Payment

A monthly payment can look attractive when spread over a longer period. Always calculate the total repayment amount and interest.

Ignoring Taxes and Fees

Your final amount financed may be higher than the advertised vehicle price after applicable taxes, registration charges and other financed costs.

Choosing an Excessively Long Term

Long terms can reduce the monthly obligation but may increase total interest and leave you owing money on the vehicle for a longer period.

Not Comparing Lenders

Comparing multiple financing offers may reveal differences in rates, terms and fees. Use the same loan amount and term when making an apples-to-apples comparison.

Searching for Navy Federal, Capital One, NerdWallet or Other Auto Loan Calculators

Consumers often search for terms such as Navy Federal auto loan rates, Navy Federal car loan rates, Capital One auto loan calculator, NerdWallet car loan calculator, Cars.com car loan calculator or Edmunds auto loan calculator when researching vehicle financing.

These searches generally reflect a desire to compare financing costs, payment estimates or available rates. Loan Rate Calculators is an independent calculation resource and is not affiliated with these companies. For an actual loan offer or lender-specific rate, consumers should review the lender's current terms directly.

Why Use the Car Loan Calculator From Loan Rate Calculators?

Loan Rate Calculators provides practical financial calculators designed to help users understand borrowing costs before making financial decisions. Our car loan calculator is intended to give you a quick way to test vehicle-financing scenarios without manually calculating every payment.

Estimate monthly car payments.
Calculate estimated auto-loan interest.
Compare different loan terms.
Evaluate down-payment scenarios.
Estimate total repayment costs.
Explore vehicle affordability.
Compare refinancing scenarios.
Understand the impact of additional payments.
Evaluate new and used vehicle financing.

You can also explore other financial tools available through Loan Rate Calculators to compare different borrowing scenarios across loans and financing categories.

Related Car Loan and Auto Finance Calculations

Depending on your financing goal, you may be looking for a vehicle finance calculator, auto finance calculator online, car finance payment calculator, vehicle loan interest calculator, auto monthly payment calculator, car note payment calculator, car refinance calculator, auto refinance calculator, auto payoff calculator or car payment refinance calculator.

Although these phrases describe closely related calculations, the important inputs remain similar: amount financed, interest rate, repayment term and payment frequency. The correct calculation depends on the specific loan structure.

Frequently Asked Questions About Car Loan Calculators

A car loan calculator estimates monthly vehicle-loan payments, total interest and overall repayment based on the loan amount, interest rate and selected term. It is useful for comparing different auto-financing scenarios before applying for a loan.

Enter the amount you expect to finance, annual interest rate and loan term into an auto loan calculator. The calculator uses the standard installment-loan formula to estimate the monthly principal and interest payment.

A calculator can accurately perform the mathematical calculation using the information entered, but the result is still an estimate if the inputs are estimates. Your actual lender payment may differ because of taxes, fees, loan-specific terms and lender calculations.

Yes. A used car loan calculator can be used by entering the estimated purchase price, down payment, interest rate and repayment term applicable to the used vehicle.

Generally, extending the repayment term spreads the principal across more payments, which can reduce the scheduled monthly payment. However, the longer repayment period may result in more total interest.

Yes. A car refinance calculator can help you compare your current balance and rate with a potential new loan. Include any refinancing costs when evaluating whether refinancing could reduce your overall cost.

A lower vehicle price, larger down payment, lower interest rate or longer repayment term can reduce the scheduled monthly payment. However, compare total interest and repayment cost before choosing a longer term.

In common usage, car loan and auto loan generally describe the same type of vehicle financing. Vehicle loan and automobile loan are also commonly used to describe financing used to purchase a car, truck or other qualifying vehicle.

A down payment reduces the amount financed. Because interest is generally calculated on the outstanding loan balance, financing a smaller amount can reduce the total interest paid, assuming the rate and other terms remain the same.

Many auto loans can be paid off early, but borrowers should review their specific loan agreement for any applicable rules or fees. Paying additional principal may reduce the time needed to repay the balance and may reduce future interest.

Car Loan Calculator Disclaimer

The calculations provided by this tool are estimates for educational and planning purposes only. They are not loan offers, credit decisions, financial advice or guarantees of approval. Actual auto-loan rates, payments, taxes, fees and financing terms vary by lender, borrower, vehicle and location.

Always verify the final loan amount, APR, payment schedule, fees and other terms directly with the lender or financing provider before entering into a vehicle-financing agreement.