Interest Income

What is Interest Income?

Interest Income is the revenue earned by lending money to other entities and the term is usually found in the company’s income statement to report the interest earned on the cash held in the savings account, certificates of deposits or other investments.

Since this interest is not a part of the original investment, it is separately recorded. It is obtained by multiplying the principal amount by the interest rate for the period the money was lent.


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For eg:
Source: Interest Income (

Let us take an example of Bank of America. Revenue for a bank is different from the revenue of a non-financial company. Revenue for a bank comprises of net interest income and net non-interest incomeNon-interest IncomeNon-Interest Income is the amount of revenue generated by a bank or other financial institution through non-core activities such as late payment fees, loan processing charges, and penalties, among more.

  • For Bank of America, the total interest earned for the period was $57.5 billion.
  • And the net interest income (total interest minus total interest expense) was $ 44.6 billion.

Types of Interest Income

There are two types – – Income from Operations and Other Income

Interest Income Types

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For eg:
Source: Interest Income (

#1 – Income from Operations

Interest Income - Operations

source: Bank of America SEC Filings

In cases where the company’s income statement shows Income from Operations and Other Income separately, then the types of Interest Income depends upon the primary operations of the business. If the business is primarily making income from the interests like for lending companies and financial institutions, then this is taken as Income from Operations. As we note from the example above, Bank of America’s core income is from “Interest.”

#2 – Non-Operating Income (Other Income)

Non Operating IC

source: Starbucks SEC Filings

If the core income does not come from interest, then it is non-operating interest income and comes under other income.

All individuals, as well as organizations, have financial assets from which they earn a variety of interests. The interest earned on these investments over a period of time is taken as an income for the organization.

In most cases, the interest earned by the individual or the organization is reported in the income statement under Income from Operations or Other Income. The Internal Revenue System (IRS) has made it mandatory that this interest must be reported as taxable income.

Interest Income Accounting

How does Interest Income Works? (Individuals vs. Banks)

  • Suppose a person runs a big sized capital goods business and he has a balance of $10, 50,000 in the company’s savings account. Now it must be understood that this $10, 50,000 is not going to be lying idle in the account until the owner decides to withdraw the entire amount.
  • The bank in which the savings account is maintained loans this money to the other people and, in return, gets interested in this loan amount. This system is also known as fractional banking. The bank in this situation keeps a small percentage of the actual amount of $10, 50, 000 deposits in its hand.
  • Now, these loans given by the bank can be of a long term or short term. The short-term loans are the overnight loans that are given to other banks. Since the bank is getting money on the person’s deposit, the bank then pays an amount as interest to the owner of the deposit so that the owner is motivated to keep the money in the account. So, for the entire year, the cash balance is the earning interest paid by the bank at the end of each month.
  • The bank is required to send out the details giving how much interest it has paid the owner of the deposit in the bank account. Based on this statement, the owner of the deposit gets a clear idea of how much taxable interest income he has earned on the financial assets. So the owner’s business gets the interest payment, which is recorded in his income statement as income.

Interest Income Video

This article has been a guide to Interest Income. Here we discuss types of interest income – operating and non operating (other income). Also, we discuss interest income accounting along with practical examples. You may learn more about basic accounting from the following articles –

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