Loan Affordability Calculator to Calculate How Much You Can Afford to Borrow

Loan Affordability Calculator Sign

This calculator will calculate how much loan you can afford based on the amount of the installment payments you can afford to make.

Plus, if you are paying on an adjustable-rate loan, you can enter the original terms and then enter up to 8 rate changes that have occurred to get an idea of what your current payoff amount is.

Or, if you want to see how much time and interest you will save by increasing the payment amount or prepaying a lump sum of the principal, the calculator will give a side-by-side comparison of the original terms versus the modified terms.

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Loan Affordability Calculator

Calculate the size of the loan you can afford based on the size of the payment you can handle.

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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
Date of first payment:

Date of first payment:

Select the month and day and enter the 4-digit year of date of your first payment.

#
Interval:Pmt interval:Payment interval:Payment interval:

Payment interval:

Select the payment interval stated in the original loan terms.

Balance:Principal amt:Principal or current payoff:Principal or current payoff amount:

Principal or current payoff amount:

If known, enter the principal balance or current payoff amount. Otherwise leave blank and complete the other three fields.

$
Interest rate:Interest rate:Interest rate:Annual interest rate:

Annual interest rate:

If known, enter the interest rate expressed as a percentage, but without the percent sign (for 6.5%, enter 6.5).

If the interest rate is not known, to save the calculator from making unnecessary iterations, please select your best guess from the drop down menu (default guess is 10%) and the calculator will attempt to calculate the rate for you given the other three loan terms.

%
# pmts:# pmts left:Number of payments left:Number of payments remaining:

Number of payments remaining:

If known, enter the number of payments remaining on the loan. Otherwise, leave blank and complete the other three fields.

#
Pmt:Payment amt:Monthly payment amount:Monthly payment amount:

Monthly payment amount:

If known, enter the monthly payment amount, without the dollar sign or any commas. Otherwise, leave blank and complete the other three fields.

$
Missing term:

Missing loan term:

This row will state the the title of the missing term that has been calculated, with the amount of the missing term located in the right-hand column.

ResultsOriginalModified
Total years:Total years:Total years remaining:Total years remaining:

Total years remaining:

This result is the number of monthly payments remaining converted into the number of years remaining.

Total P&I:P&I:Total principal & interest:Total principal and interest payments:

Total principal and interest payments:

This result is the total of all payments between now and when the loan is paid off.

Total interest:Total interest:Total interest remaining:Total interest remaining:

Total interest remaining:

This result is the total interest that will be paid between now and when the loan is paid off.

If you would like to save the current entries to the secure online 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.

Help and Tools

Adjust Calculator Width:

Move the slider to left and right to adjust the calculator width. Note that the Help and Tools panel will be hidden when the calculator is too wide to fit both on the screen. Moving the slider to the left will bring the instructions and tools panel back into view.

Also note that some calculators will reformat to accommodate the screen size as you make the calculator wider or narrower. If the calculator is narrow, columns of entry rows will be converted to a vertical entry form, whereas a wider calculator will display columns of entry rows, and the entry fields will be smaller in size ... since they will not need to be "thumb friendly".

Show/Hide Popup Keypads:

Select Show or Hide to show or hide the popup keypad icons located next to numeric entry fields. These are generally only needed for mobile devices that don't have decimal points in their numeric keypads. So if you are on a desktop, you may find the calculator to be more user-friendly and less cluttered without them.

Stick/Unstick Tools:

Select Stick or Unstick to stick or unstick the help and tools panel. Selecting "Stick" will keep the panel in view while scrolling the calculator vertically. If you find that annoying, select "Unstick" to keep the panel in a stationary position.

If the tools panel becomes "Unstuck" on its own, try clicking "Unstick" and then "Stick" to re-stick the panel.