Mortgage Loan Calculator
Use this calculator to generate an amortization schedule for your current mortgage and also determine the Annual Percentage Rate (APR). Quickly see how much interest you will pay and your principal balances. You can even determine the impact of any principal prepayments!
Please be sure to replace the default values presented here with your own values before you press the calculate button!
Original or expected balance for your mortgage.
Annual interest rate for this mortgage.
Term in years
The number of years over which you will repay this loan. The most common mortgage terms are 15 years and 30 years.
Monthly principal and interest payment (PI).
Total of all monthly payments over the full term of the mortgage. This total payment amount assumes that there are no prepayments of principal.
Total of all interest paid over the full term of the mortgage. This total interest amount assumes that there are no prepayments of principal.
The frequency of prepayment. The options are: none, monthly, yearly, and one-time payment.
Amount that will be prepaid on your mortgage. This amount will be applied to the mortgage principal balance, based on the prepayment type.
Start with payment
This is the payment number that your prepayments will begin with. For a one time payment, this is the payment number that the single prepayment will be included in. All prepayments of principal are assumed to be received by your lender in time to be included in the following month’s interest calculation. If you choose to prepay with a one-time payment for payment number ZERO, the prepayment is assume to happen before the first payment of the loan.
Total amount of interest you will save by prepaying your mortgage.