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Step 1
Find a mortgage calculator to use for calculating the payments and to see how much the balance is going to be on the mortgage when the balloon comes due. You can borrow a mortgage calculator if you stop in a local or bank or realtor's office, but the easiest way to gain access to one is on the Internet. There are several available for use free of charge.
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Step 2
Enter the full mortgage amount into the calculator. The enter the number of years that your balloon mortgage is for, typically this is 5 to 7 years, but some balloons might be shorter or longer terms.
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Step 3
Put in the interest rate of your loan and then choose the type of prepayments you have made, if any. Enter the dollar amount of the prepayment.
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Step 4
Click the calculate button and wait for the next page to load with your results. The amount of the monthly payment is shown, as well as the amount that you owe to the mortgage holder at the end of the loan term.















