Prepayment Mortgage Reduction

This form allows you to see how prepaying your mortgage reduces the length of your mortgage by putting in the current values for your loan.

If you know your current principal balance and principal/interest payment, enter them in fields A1 and A2. Otherwise enter the three values for your loan in B1, B2 and B3. (Original Loan Amount, Month of First Payment, Length of Loan).
Change these fields as desired:

Choose the Option
A1 Current Principal Balance (if known)
A2 Current Prin+Int Monthly Payment
B1 Original Principal Balance (otherwise)
B2 Month of First Payment (otherwise) /
B3 Length of Mortgage (Years)

You fill out the following table for both cases:

Current Annual Interest Rate
Additional Monthly Pre-Payment*
Increase Monthly Payment each year by (%)

* -- Enter B in the text field to do a biweekly conversion.