Principal Amort. (Yrs) 123456789101112131415161718192021222324252627282930 Help Interest Rate Term (Yrs) 123456789101112131415161718192021222324252627282930 About Payment Type AnnuallySemi-AnnuallyMonthlyBi-WeeklyWeeklyAccel Bi-WeeklyAccel Weekly Term InterestInt. Periodic PaymentPymt. Total InterestInt. Term PrincipalPrin. Paid Actual Amort. Term BalanceBal. Or Input Paymenti/p Pymt. & This calculator is for demonstration purposes only and may not reflect actual numbers for your mortgage. Rates are compounded semi-annually.