Resources: Calculators The following online calculators serve as helpful tools during the mortgage process. Mortgage Payment CalculatorCalculate the different monthly payment options available to you.Affordability CalculatorFind out how much house you can afford.Mortgage Refinancing CalculatorFind out if you should refinance your current mortgage.Prepayment CalculatorDetermine the additional payments needed to pay off your mortgage early.Mortgage Qualification CalculatorCalculate the income needed to qualify for a specific mortgage. Amortization CalculatorCreate an amortization schedule that shows the principal and interest you will pay and the impact of making additional payments.