GMAC - The KEE Group

Prepayment Mortgage Reduction

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By inputting in the current values for your loan, this form will allow you to see how prepaying reduces the length of your mortgage.


If you know your current principle balance and principle/interest payment, enter them in fields A1 and A2.

A1. Current Principle Balance
A2. Current Prin+Int Monthly Payment

If you do not know your current balances, enter the three values for your loan in B1, B2 and B3. (Original Loan Amount, Month of First Payment, Length of Loan).

B1. Original Principle Balance
B2. Month of First Payment -
B3. Length of Mortgage (years)

Fill in these fields regardless of the option above.

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

* = Enter B here to do a biweekly conversion from here.