Calculate a Bi-weekly Mortgage Payment Plan Bi-Weekly Mortgage Calculator Enter the principal balance of your mortgage (call your mortgage lender and ask for the current payoff amount): Enter the amount of your monthly mortgage payment: Enter the your mortgage's current interest rate:   This is how much interest you will pay under your current monthly payment plan: This is how much interest you will pay if you switch to a bi-weekly mortgage payment plan: Bi-weekly Mortgage Interest Savings: Back to Tools Copyright 2007 PaulBurke.net. All rights reserved. Privacy Policy , Terms of Use , Questions info@paulburke.net