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How do I calculate a mortgage payment?
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To calculate a mortgage payment, you will need to know the amount of the loan, the interest rate and the payment frequency. Then, use the following formula:  Payment = (Rate/Frequency) x (1 + Rate/Frequency)^(Number of Payments) x Principal / [(1 + Rate/Frequency)^(Number of Payments) - 1]. Input the required information into this formula and the resulting number will represent the total amount of your monthly mortgage payment.