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Amortization Schedule

Amortization schedule means a financial chart that provides the borrower with detailed information about the debt periodic payments. In other words, this is an instrument of providing loan settlements, reflecting a principal debt amount and interests charged. 

Amortization schedule also represents levels of needed transactions until the loan is fully repaid.

Essence of the term

Banks, credit unions, and other lending institutions often use loan amortization schedules to calculate the payment amount of borrowing entities. For instance, if a fund receiver takes out an installment loan for a car, the bank may issue an amortization schedule that specifies the settlement graph for repaying it.

In the amortization schedule of a debt facility, the percentage of any installment that is transferred towards interest, slightly reduces. At the same time, the percentage for principal amounts rises gradually. 

Periodic graphs are usually customized due to established loan terms and personal situational factors. By virtue of specific amortization calculators, there is a possibility to speed up the process due to the accelerated payments. For instance, a person counts on an inheritance, or annual bonuses. So, the mentioned tools are in use for estimating the way a withdrawal to personal debt may influence its maturity date, as well as interest paid.

Apart from mortgages, consumer credits and auto loans also gradually write off a part of the total value for a predetermined period, at a set interest rate. The conditions are changing in relation to assets. A majority of ordinary home loans are issued by 15 or 30 years. But the actual loan repayment terms can expire much earlier. 

Calculating Amortization Schedule of a loan

The total amount of debt facility, loan term, interest rate, and frequency of payments are required to create the amortization schedule. Borrowers usually make monthly, semiweekly or weekly payments as planned.

In fact, there are special formulas for calculating amortization schedules of lending that are usually installed in software. In case these formulas aren’t present, the graph with periodic payments can be set from the ground up.

If the loan term is established, along with its regular due amount, a simple way to specify the amortization schedule of a debt facility is presented below.


A case in study can be the following situation. A client received a loan in the amount of $300.000, 18 months at 15% per annum. If the year is not a leap one, and there are 30 days in a month, $3.698 is the sum of interest that is paid in the first time interval. The balance of a monthly settlement should be applied to cover the main debt: $18.715 − $3.698 = $15.016.

In the second month, the total interest is calculated on the loan value minus the principal payment in the first period. Thus, this is the way to estimate the ratio of interest and principal debt in each month.

Of course, there exists another method of calculating amortization schedule, which is not manual. So that an Excel calculator is used. Amortization tables often consist of prearranged payments, interest costs, as well as principal redemptions. If individuals create their own schedule, it is necessary to add another line for subsequent principal payments in order to see changes in debt.

Pros of Amortization Schedule

Here are some of the key benefits of amortization schedules:

  • Easy way to evaluate loan options. Amortization schedules make it easier for people to compare suggested loan solutions. For instance, a person wanted to choose between two debt facilities with the same interest rate. The first one contemplated small monthly payments over a 25-year period, while the second loan presupposed larger settlements over a 10-year term. Therefore, a comparison of these options assists in the decision-making process.
  • Fixed loan payments. When getting a fixed-rate loan, an amortization schedule can provide persons with a simple way to keep track of their payments and the current amount of interest due.
  • Accretion of private capital. Depending on the loan type, an amortization schedule enables individuals to increase their net worth. For example, if someone buys a house by virtue of a mortgage loan with a repayment schedule, principal and interest settlements may come into play at the same time, allowing them to build the net worth more efficiently.
  • Customizable timeline. The tool of amortization schedule facilitates adjusting personal loan payments. A case in study is the following illustration. If the monthly settlement on a debt facility is $364, adding an extra $50 to the payment can help in reducing the outstanding loan balance more quickly, as the interest for the period has already been satisfied.


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