how to calculate interest expense

However, some assets use simple interest for simplicity — for example bonds that pay an interest coupon. Investments may also offer a simple interest return as a dividend. To take advantage of compounding you would need to reinvest the dividends as added principal.

The ratio measures a company’s ability to meet the interest expense on its debt with its operating income. A higher ratio indicates that a company has a better capacity to cover its interest expense. Suppose XYZ Corp. issues $100,000 worth of bonds that pay a semiannual coupon of 5%, or 10% per year. These bonds are seen to be very attractive, and investors think the borrower is too good of a risk to pay 10% per year. Thus, the bonds sell at a yield to maturity of 8%, resulting in a premium. Fixed rates are rates that are set as a certain percentage for the life of the loan and will not change.

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Deskera is an intuitive, user-friendly software you can use to automate not just expenses, but almost every part of your accounting process. Now, when you pay your interest, the interest expense account doesn’t change. A term you might confuse with interest expense is interest payable.

Here, interest expense is like that pesky pimple that shows up right before picture day—it reduces your net income. The more interest you pay, the smaller your profits look in the snapshot. Back in the day, when I first dipped my toes into the world of finance, the term “interest expense” was like a foreign language to me.

Fixed vs. Floating Interest Rate

The interest of a $10,000 loan with a 6% rate with ten years loan term repaid monthly is $3,322.46. Tata Motors Ltd had total Borrowings (including Long-term and Short-term borrowings) of INR 88,950 Cr on 31st March 2018. On 1st October, the Company increased its total Borrowings to INR 92,923 Cr. Calculate the total amount of Interest the Company has to pay at the end of March 31st, 2019, if the rate of interest stands @ 5.25% / annum. As established above, a loan this size would total $12,500 after five years.

how to calculate interest expense

It’s like renting a movie—only instead of paying for a night’s worth of entertainment, you’re paying for the use of someone else’s cash. Therefore, the company will incur $125 each quarter as interest for the bank. This payment will be recorded as an interest expense on their income statement.


When amortizing intangible assets, amortization is similar to depreciation, where a fixed percentage of an asset’s book value is reduced each month. This technique is used to reflect how the benefit of an asset is received by a company over time. Amortization is important because it helps businesses and investors understand and forecast their costs over time.

For example, a four-year car loan would have 48 payments (four years × 12 months). Amortization can be calculated using most modern financial calculators, spreadsheet software packages (such as Microsoft Excel), or online amortization calculators. When entering into a loan agreement, the lender may provide a copy of the amortization schedule (or at least have identified the term of the loan in which payments must be made). Over the long run, compound interest can cost you more as a borrower (or earn you more as an investor). You can check with your bank on the compounding frequency of your accounts. Simple interest is interest that is only calculated on the initial sum (the “principal”) borrowed or deposited.

Interest expense will be on the higher side during periods of rampant inflation since most companies will have incurred debt that carries a higher interest rate. On the other hand, during periods of muted inflation, interest expense will be on the lower side. While mortgage interest is tax-deductible in the United States, it is not tax-deductible in Canada. The loan’s purpose is also critical in determining the tax-deductibility of interest expense. For example, if a loan is used for bona fide investment purposes, most jurisdictions would allow the interest expense for this loan to be deducted from taxes. Get instant access to video lessons taught by experienced investment bankers.

how to calculate interest expense

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