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Mortgage Formulas
P, n, i, A
  • Show or hide fundamental mortgage formulas by clicking the F button.
  • Compound period of all types -- monthly, bi-weekly, quarterly, etc.
  • All figures are derived from the formulas. They are 100% accurate.
  • Forget about the conventional conversion table in the text books.
  • Business school students, this is a handy tool to do your homework.

  Note: All formulas here are derived in details in the User's Manual.

   Payment Formula: get monthly payment A from Loan Amount P, Interest Rate i, and Loan Period n

   Loan Formula: get P from A, i, and n

   Period Formula: get n from A, i, and P

   Principal Paid Formula: get PPn (Principal Paid at n) from A, i, and Po (Initial Principal). 


   NPV/FV Formula: get NPV/FV (Net Present Value/Future Value) from CFj (Cash Flows), and i (Discount Rate).