Prepayment Mortgage 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 originial principal balance, month of first payment, and loan length.

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 here to do a biweekly conversion from here.