Canadian Mortgage Isolator Calculator

Using this Mortgage Isolator Calculator is very useful for quick calculations on paying off your mortgage.

How to Use The Mortgage Isolator

  1. Fill in three of the first four items in the list first.
  2. After editing items 5, 6, or 7 you can see the results will change
  3. Change any of the following to see the effects:
    • different payment intervals
    • making an extra payment
    • increasing your payments
    • making a lump sum payment

Calculate the effects of prepaying by completing the boxes below*

1. Mortgage Amount ($)
2. Interest Rate (%)
3. Initial Amortization Period Year(s)
4. Initial Mortgage Payment ($)
5. Payment Frequency
6. Lump Sum Payment
(Annually in $)
Period: Year(s)
7. Mortgage Payment Increase
Period: Year(s)

*Note that if you fill in any three of the four first four values the calculator will automatically
calculate the fourth when you press the compute button beside that value.


By making prepayments, the amount of time it will take to pay off your mortgage has been reduced to Year(s) and Month(s).

This also represents a savings of $ in interest.

Leave a Reply

Your email address will not be published. Required fields are marked *

 Notify me of followup comments via e-mail.

You can click here to Subscribe without commenting