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Car Down Payment Calculator to Calculate Amounts from Percentages

Calculator Preferences
Car Down Payment Calculator

This calculator will calculate the down payment amount from the down payment percentage, plus compare the resulting loan amount, monthly payment, and interest costs with 3 incrementally higher down payment percentages. The Learn tab includes:

  • What is a down payment?
  • Why borrowing money undermines good decision making.
  • Why a larger downpayment is in your best interest.
Learn More

Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

DataData recordData recordSelected data record: None
Price:Purchase price:Vehicle purchase price:Vehicle purchase price:

Vehicle purchase price:

Enter the purchase price of the car or truck you are considering purchasing.

Loan rate:Loan rate:Car loan interest rate:Vehicle loan interest rate:

Vehicle loan interest rate:

Enter the annual interest rate percentage (without the percent sign) you will be charged by the auto finance company. Enter as a percentage (for 6.5%, enter 6.5).

# of pmts:Loan months:Loan term in months:Vehicle loan term in months:

Vehicle loan term in months:

Enter the term of the loan in number of months. Common loan terms are 36, 48, and 60 months.

Start %:Start down %:Starting down pay percent:Starting down payment percentage rate:

Starting down payment percentage rate:

Enter the minimum down payment percentage you would like the calculator to calculate the down payment amount for.

Increment:Increment by:Increment down pay percent by:Increment down payment percentage by:

Increment down payment percentage by:

Select the percentage you would like the car down payment calculator to increment the starting down payment percentage by for each of the other three comparison columns.

Down payment comparison chart:

Description of chart row values:

Row #1: Down
The down payment amount for each percentage.
Row #2: Loan
The loan amount for each percentage. The loan amount is calculated by subtracting the down payment amount from the purchase price.
Row #3: Pmt
The monthly payment for each down payment percentage.
Row #4: Pmts
The total of all monthly loan payments for each down payment percentage.
Row #5: Total
The total of all loan payments plus the downpayment for each down payment percentage.
Row #6: Int
The interest cost of each down payment percentage.
Row #7: Save
The interest cost savings that would occur when choosing the down payment percentages that are higher than the first column. Since the first column is always the maximum interest cost, it will always be zero.
%
Down
%
Down
%
Down
%
Down
DownDownDown paymentDown payment
LoanLoan amtLoan amountLoan amount
PmtPaymentMonthly paymentMonthly payment
PmtsPaymentsTotal paymentsTotal payments
TotalTotal paidGrand totalGrand total
IntInterestInterest costInterest cost
SaveSavingsInterest savingsInterest savings

If you would like to save the current entries to the secure database, tap or click on the Data tab, select "New Data Record", give the data record a name, then tap or click the Save button. To save changes to previously saved entries, simply tap the Save button. Please select and "Clear" any data records you no longer need.

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Tip

About

About the Car Down Payment Calculator

This calculator will calculate the down payment dollar amount from a percentage of a vehicle's purchase price, and compute the resulting loan amount, monthly installment, and interest costs.

Plus, the car down payment calculator will also allow you to compare the loan amount, monthly installment, and interest costs against 3 incrementally higher amounts paid down on the vehicle.

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Instructions

How to use the Car Down Payment Calculator

Step #1:

Enter the purchase price of the vehicle.

Step #2:

Enter the annual financing percentage rate.

Step #3:

Enter the number of payments you plan to spread the repayment over.

Step #4:

Enter the minimum downpayment percentage to use as a starting point.

Step #5:

Select a percent to increment the minimum by for comparison purposes.

Step #6:

Click the "Calculate Downpayments" button. This will populate the downpayment comparison chart and display a bar chart comparing the interest costs of the 4 downpayment amounts.

Saving Entries:

If your web browser supports Local Storage, you can save your entries to your web browser so won't have to start over on your next visit. Please note that your saved entries can only be retrieved from the same device and web browser you were using when you stored them. If you would like to access your saved entries from any device I invite you to subscribe to the Ad-Free Member Version.

To save your entries to your web browser, click or tap the Data tab in the Help and Tools section (mobile: top right of the main screen), select "New Data Record" from the drop-down menu, enter a name for the data record, and then tap or click the Save button.

To load previously saved entries, click or tap the Data tab and select the saved data record from the drop-down menu. You can then save any changes to your entries by simply clicking the Save button while the data record is selected.

To clear a named set of saved entries, click or tap the Data tab, select the saved data record from the drop-down menu, and then tap or click the Clear button.

Numbers and Decimals:

Only numeric characters (0-9 and decimal points) may be entered in numeric fields. Non-numeric characters (dollar signs, percent signs, commas, etc.) may cause calculation errors. If the field includes a grid icon, tapping the icon will open a popup keypad which will include only the characters allowed in the field. If your device keypad does not include a decimal point, use this popup keypad to enter decimal numbers where applicable.

Popup Tool Tips:

Tap the info (i) icons for a further explanation of each entry field (you can click [X] or outside of the pop-up tool tips to close them). A summary of these explanations, along with any additional term explanations, can also be found under the Terms tab.

Disclaimer:

Since I can't test for every possible combination of numbers, please be sure to double-check the results of this calculator yourself before considering them to be valid. If you do discover an issue with the calculated results, please report the issue using the feedback form located below the calculator.

Scrolling & Shrinking:

In order to scroll the calculator vertically you will need to swipe just outside of the calculator's dark-blue border, or use the window's far right-hand scroll bar, whichever is applicable to your device.

If the top section of the calculator becomes to tall for your viewport, tapping in the "Enter a problem..." field should reset the top section to its original height.

Disclaimer:

The Algebra Calculator is the only calculator on the site that I did not create myself. And since I did not create it, I don't have access to the code for fixing any issues you may be experiencing. So if you are having issues with the calculator, please visit the support page at Mathway.com for assistance.

Glossary

Fields, Terms, and Definitions.

Reset button:

Clicking the "Reset" button will restore the calculator to its default settings.

Pocket Calculator

Calculate any amounts needed to enter into calculator.

 

Data Management

Save and retrieve entries and notes (requires HTML5 compliant web browser).

Calculator Data

Calculator Data:

If you are using the latest version of your web browser software, this feature will allow you to save your calculator entries to your web browser's local storage in between visits. This means the calculator entries can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save data between devices you will need to subscribe to the Ad-Free Member Version.

Save: To save a new set of calculator entries, select "New Data Record" from the dropdown list, enter a nickname for the data record, then click the "Save" button.

Load: To load a previously saved set of calculator entries, simply select the name of the data record from the dropdown list.

Save Changes: To save changes to a set of previously saved calculator entries, be sure the name of the data record is selected, and then click the "Save" button.

Clear: To clear a saved set of entries, be sure the name of the data record is selected, and then click the "Clear" button.

Backup Data
My Notes:
Subscribe to the Cloud level of the Ad-Free Member Version to save your entries and notes to a secure online database, allowing you to access your saved entries from any device or web browser.

Sorry! The Save functions are bonus features reserved for those who allow ads to display on the page.

If you would like to use the Save features, please disable ad blocking for this website and refresh the page. Or you can choose to subscribe to the Ad-Free Member Version of the site.

Help and Tools

Help and Tools:

This section, which you can Unstick or Hide in the Calculator Preferences (just above the top of the calculator), contains the following tabs (content too long to fit within bordered frame can be scrolled up and down):

About: Click this tab for an introduction to the calculator.

Instructions: Click this tab for step-by-step instructions for using the calculator.

Terms: Click this tab for a list of the descriptions that are located within each popup help button (info icons).

PCalc: Click this tab for a handy "pocket" calculator you can use when you need to calculate an entry needed for the calculator.

Data: Click this tab to save a set of entries or a note in between visits. Entries and notes will be stored to your web browser's local storage (if supported by your browser of choice), meaning they can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save entries and notes between devices you can do so by subscribing to the Ad-Free Member Version.

 

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