This is a java calculator that computes a typical principal and interest payment. The data and calculations on this page are estimates and does not include other costs/fees charged by various lenders and does not take into account the the many different types of mortgages available today. The figures on this page are intended to give potential buyers an estimate of a typical Principal and Interest mortgage payment. Contact our office for more information or consult a Mortgage Broker for definite figures concerning your real estate transaction.