Mortgage Prepayment Reduction Calculator

Determines how quickly a loan will end based on either the current principal balance and current principal and interest monthly payment or the original principal balance, month of first payment, and loan length.

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

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 here to do a biweekly conversion from here.

These calculations are estimates only and do not constitute an offer to finance your loan. There is no warranty for the accuracy of the results or the relationship to your personal financial situation.