This is a simple monthly mortgage payment calculator where you can compare principal and interest payments with a down payment of 5%, 10%, 15% or 20% of the purchase price.

To use this calculator, input the purchase price of the property, number of years of the mortgage and the annual mortgage interest rate (without commas or signs). 

Then press "Calculate". (Scroll down to see payments table for each down payment respectively).  If you want to make a new calculation, press "Reset" before entering new information. The results are rounded to the nearest dollar.