AmStar Mortgage Network proudly represents many of the top lending institutions in the United States, making every effort to bring you the lowest cost, lowest rate alternatives available anywhere.

Our state-of-the-art service is the envy of the industry. We are the first to offer 24/7 online "Loan Status" which allows you to check the progress of your loan as often as you like, from application to closing.

We were also the first in the industry to bring true mobility to the mortgage process with the ability to take an application, pull a credit report, get Fannie Mae/Freddy Mac
pre-approval, order the title search, order the appraisal, and print and review all pertinent application documents -- Good Faith Estimate, Truth-in-Lending, Equal Credit Opportunity Act, and more -- at YOUR home!

Putting you first.
Keeping you first.

How To Use the Mortgage Calculator

Most features of the mortgage calculator are self explanatory. Each box should have a number in it (including "0" if appropriate) to ensure the results are accurate. If you prefer, you can use the sliders to enter your information.

The "Annual Table" and "Monthly Table" features show you how your equity builds month by month or year by year. The "Display Printable Report" feature located beneath the calculator puts the information in an easy to read printable format.

One of the features of this calculator is the ability to add information in the "Prepayment Data" section. Even if you are already several years into your mortgage, you can see the affects of adding principle at any point in time. It also allows you to see the benefits of making a one-time lump sum payment at any point in time during the loan.

If you need help with some of the features, a more detailed mortgage calculator guide is located at the bottom of this page. If you would like to speak with one of our Mortgage Specialists about various options, feel free to contact us at 770-509-7827. Our expertise is free.

Static/Dynamic - static means that the calculations are done only when you're finished dragging a slider; this is the default. If you have a particularly fast machine or web browser, you can use dynamic mode, where calculations are done as you move the slider. Be warned that on some browser/machine combinations, this can be too much for the Java virtual machine implementation, and can cause the browser to hang or crash.

Interest sliders - You can use either 1/8th increments or decimal places.

Amortization - The system used for calculating American monthly mortgage payments is the same or very similar to many other countries around the world. Canadian financial institutions use a slightly different formula.

Dollars/Pounds/Euros/Rands - This is purely cosmetic. It makes no difference to the calculations. People in my part of the world just prefer using the pound or euro sign!

Amortization Graph - Normal mode works as described in the amortization graph section above. Stacked mode shows principal, interest and extra payments all stacked on top of each other. Unlike normal mode, there is no overlap between data.

Monthly/Bi-weekly payments - Limited support for bi-weekly mortgages is present through this option. When Bi-weekly payments are selected, an extra half-monthly payment is made every six months. This equates to making 13 monthly payments every 12 months - a close approximation of how a typical bi-weekly mortgage will work out.

Language - Again, this is purely cosmetic. The language used does not affect the calculations.

3. Input Box

Initial Loan Data - if you don't like using the sliders, you can enter data directly in this section. Values for the Tax and Insurance fields are simply divided by 12 and added to the monthly payment amount. The inflation figure allows estimates in real terms (i.e. in "today's money") to be calculated. The total interest paid over the entire mortgage is shown on the right hand side along with the total interest paid as a percentage of all payments made (see the Repayment Chart for a graphical view). Finally, the total interest paid in real terms is displayed - this figure is an attempt at calculating how much the total interest paid is worth in real terms.

Prepayment Data - this section gives you the opportunity to estimate how you can shorten the term of your mortgage by making either a single one-off payment or continuous extra monthly or annual payments. On the right-hand side, the Savings field shows you how much money you will save, while the Real Savings field once again uses the inflation rate to give a rough estimate of what these savings are in real terms given that the interest savings are spread over a number of years. The dates shown reflect what happens to the mortgage term when the extra payments have been factored in.

Important: When entering values into the "Input Box", make sure to press "Return" after you enter the last value. Using the TAB key will work on some browsers, and clicking the mouse over the next box is fine too, just make sure the last value you enter has been recognized by the calculator, and is being taken into account when calculations are made.

If you find that nothing happens when you enter data in the prepayment fields, make sure that you are only entering whole numbers i.e. for an extra payment of $100.00, enter just 100 - no decimal points.

Please call us at 770-509-7827 and a Mortgage Specialist will answer any of your questions with no obligation and no pressure. Our expertise is free.

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