By using mortgage calculator, you'll be able to estimate your monthly mortgage payment. Based on our inputs, you can adjust the price of the home, amount of down payment, term of your loan, and your interest rate. This will allow you to project how your payment per month changes. Our estimates for monthly payments are broken down by interest rate and principal along with taxes on your property and homeowners insurance. Once you get some estimates, be sure to check out some of our tips on purchasing your own house.