Mortgage Rate Calculators are used to compare several loan options at one time. What's really nice about it, you can change the interest rates from the different offers you are looking at and see which one offers you the best for not only interest rates but monthly payments too.
You can also change around the number of months you will pay on the loan to see if that will improve matters.
The online mortgage calculator figures some other interesting information. It calculates the total amount of interest you will pay based on the number of months you will be paying the note. It will then give you how much you are really paying for the home.
How can this help you? You can change the number of months and you may find that a shorter loan may be more cost effective.
So take the time to play with this calculator as your decided which loan programs are better for you.