Home buyers can use this calculator tool to estimate how much your monthly mortgage payments will be when you take out a loan to buy a house. The calculator will provide you with the estimated monthly interest amount and monthly mortgage payments. Simply input the amount you want to borrow, the interest rate, and select your term years to calcuate the amounts. If you already own a home and want to increase the value of it, use our project value calculator to see how much value you can get out of a home improvement project.