A mortgage constant (denoted as Rm) is the ratio of annual loan payments to the full value of a fixed-rate mortgage. You can calculate the mortgage constant by dividing the total amount paid on the loan annually by the full amount of the loan. This is also called the mortgage capitalization rate.

Conventional Fixed Rate The fixed-rate mortgage was the first mortgage loan that was fully amortized (fully paid at the end of the loan) precluding successive loans, and had fixed interest rates and payments. Fixed-rate mortgages are the most classic form of loan for home and product purchasing in the United States. The most common terms are 15-year and 30-year.

The purpose of the loan constant tables (sometimes referred to as debt constant tables or mortgage constant tables) is to make it possible to calculate loan payments and outstanding loan balances without the use of a financial calculator. Full details of the use of the loan constant can be found in our How to Calculate a Debt Constant tutorial.

The debt constant sometimes referred to as the loan constant or mortgage constant is the ratio of the constant periodic payment on a loan to the original loan amount. The debt constant is only relevant to loans that have a fixed interest rate over the period of the loan, and is used to make quick calculations of the amount needed to repay a.

They calculate the effective rate of return taking into account. principal amount that happens along with the instalments. So, the interest is constant throughout the loan tenure. On the other hand.

In other words, the mortgage constant is the annual debt service amount per dollar of loan, and it includes both principal and interest payments. How to Calculate the Mortgage Constant. There are two commonly used methods to calculate the mortgage constant. The first simply divides annual debt service by the total loan amount.

Constant Payment Mortgage A mortgage constant is a rate that appraisers determine for use in the band of investment approach. It is also used in conjunction with the debt-coverage ratio that many commercial bankers use. The mortgage constant is commonly denoted as Rm.