If you type “Mortgage Calculators” into Google you will get over 2 million results and Google’s simple mortgage calculator at the top. The Google mortgage calculator will give you a rough idea of mortgage monthly payments based on a simple calculation of the interest rate and mortgage term. It doesn’t answer any details, like: how many payments do I have to pay in order to pay off my mortgage? In 15 years how much mortgage will I have left to pay if I increase my monthly mortgage payment? What happens if you want to increase or decrease the interest rate, or change the amount of years of your home loan? With all the mortgage loan calculators out there isn’t it best when you can see the big picture of your home loan payment and how it can work for you.