Calculators > Principal and interest calculator

Principal and interest calculator

From March 2012, this calculator will no longer be offered. If you wish to save your current data, download it to PDF. Find out more.

This calculator shows how much principal and interest you will pay for each year of your mortgage. Just make some small repayment adjustments and see the difference!

 

Enter your mortgage details

 

Description

Total Debt

Interest Rate

Repayments

Frequency

$
%pa
$
$
%pa
$
$
%pa
$
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Prior to changing your personal finances as a result of this calculation we recommend you view our disclaimer.
Notes on this calculator
  1. Results are in today's dollars - this means that any amount you pay or receive in the future will have the same buying power as this many dollars today.

    For example, if you could buy something worth $1000 now, in 10 years time, you would need $1220 ("nominal dollars") to buy that same thing (assuming 2% inflation). The $1220 nominal dollars in ten years time is equivalent to $1000 today's dollars.This means that the actual dollar amounts that you pay or receive are likely to be more than the figure quoted here, but it will have the same current buying power.

    Learn more about Today's Dollars.
  2. Repayments are not assumed to increase each year.
  3. These calculators are designed to give you ballpark figures only - in other words, they won't be exact to the absolute dollars and cents.
  4. You don't need to use dollar signs or commas when inserting dollar amounts. Example: 10500 not $10,500. [back]