What Is the Difference Between Operating Income and EBT?

Textbook Definition

Operating income, or EBIT, is revenue minus cost of goods sold and operating expenses. Earnings before taxes (EBT) is operating income adjusted for interest expense and other non-operating income or expense.

In Plain English

Operating income is profit from running the business: selling products and paying the costs to do it. EBT is what is left after the company’s financing and side items, right before the tax bill. One measures the business. The other adds the balance sheet.

Operating Income (EBIT)

Gross Profit − Operating Expenses

Apple, fiscal 2025: $133.1B

Earnings Before Taxes

EBIT ± Interest and Other Items

Apple, fiscal 2025: $132.7B

Apple labels the first line operating income and the second income before provision for income taxes. Interest sits inside its other income/(expense) line.

Apple’s Operating Income and EBT, 2021 to 2025

Watch the two growth rows. In both 2024 and 2025, operating profit grew faster than sales.

Company: Apple Inc.Fiscal years end in SeptemberUnits: $ millions
Line20252024202320222021
Operating income (EBIT)133,050123,216114,301119,437108,949
Other income/(expense)(321)269(565)(334)258
Interest expense (part of other)N/DN/D3,9332,9312,645
Earnings before taxes132,729123,485113,736119,103109,207
EBIT growth8.0%7.8%−4.3%9.6%n/a
Sales growth6.4%2.0%−2.8%7.8%n/a

Source: Apple Form 10-K filings as analyzed in the book. $ millions. N/D = not disclosed separately after fiscal 2023.

Worked Example: Apple, Fiscal 2025 ($ millions) Operating income 133,050 + other income/(expense) (321) = EBT 132,729 Operating margin: 133,050 ÷ 416,161 = 32.0% The gap between the two lines is tiny for Apple because its financing costs are small next to its operating profit.

How to Compare the Two in 5 Steps

  1. Find operating income first.

    It is the profit from the core business. Compare its growth rate to sales growth every year.

  2. Ask if profit outran sales.

    In 2025 Apple’s EBIT grew 8.0% on 6.4% sales growth. In 2024, 7.8% on 2.0%. That is real operating discipline.

  3. Measure the gap to EBT.

    A small gap means financing barely matters. A big gap means interest or one-time items are eating profit.

  4. Check the interest disclosure.

    Apple reported interest expense separately only through fiscal 2023, rising from $2.6 billion to $3.9 billion. After that it sits inside other income.

  5. Use EBT to find the tax rate.

    Taxes ÷ EBT gives the effective tax rate. See the tax rate guide.

Why Analysts Start With Operating Income

Operating income strips out how a company is financed. Two companies with identical businesses can have very different EBT if one carries far more debt. Operating income lets you compare the businesses themselves. EBT tells you what the financing choices did to the result.

Apple vs. Microsoft: Volume vs. Margin

Latest fiscal yearAppleMicrosoft
Operating incomeabout $133Babout $128B
Revenue$416B$282B
Operating marginabout 32%about 46%

Microsoft’s fiscal year ends in June, Apple’s in September. Figures from the book.

Apple earns slightly more operating profit in dollars. Microsoft keeps far more of each sales dollar, thanks to its software-heavy mix. Apple makes up the difference on sheer volume.

EBIT, Operating Income, Operating Profit: Same Thing?

Mostly, yes. Operating income, operating profit, and EBIT are used almost interchangeably in beginner analysis, and the book treats them as the same line. Strictly speaking, EBIT can include some non-operating items that operating income leaves out, but for Apple the difference is small.

EBT has a few names too: pre-tax income, income before taxes, or income before provision for income taxes on Apple’s filing. Whatever the label, it is the last profit line before the tax bill.

In practice, use operating income when you want to compare how well two businesses run, and EBT when you want to see what is left for the tax bill after financing. Both answers are useful. They are just answers to different questions.

The book calls EBT an important line mainly for one job: calculating the tax rate. The real analytical action is in operating income, because that is where you see how well the business runs.

Mistakes With These Two Lines

  • Treating operating income and EBT as the same number.
  • Judging profit growth without comparing it to sales growth.
  • Ignoring how debt changes EBT.
  • Assuming interest expense disappeared after Apple stopped listing it.
  • Using EBIT to calculate the tax rate instead of EBT.
  • Comparing operating income in dollars across companies of very different sizes.

How the Book Grades These Lines

A-EBIT
B+Interest Expense
AOperating Profit Margin
Why EBIT earns an A- and how interest is graded with missing years is in the book.Get the Book on Amazon →

The Trend Analysts Want

Income Statement · EBIT

Profit Growing Faster Than Sales

When operating profit rises faster than sales, it means the company is squeezing more profit out of each dollar it takes in, a sign of real operating discipline rather than simply riding higher revenue.

EBIT, interest, EBT, taxes, and net income, five years of Apple, each graded. It is all in the book.

Get the Book on Amazon →

Carrying Business Debt?

For a small business, interest can be the difference between profit and loss. Compare the true cost of financing in how to compare business loans. For help weighing debt decisions, see fractional CFO services.

Operating Income and EBT Questions

Is operating income the same as EBIT?
In most beginner analysis, yes. Both measure profit from the core business before interest and taxes. Strictly, EBIT can include some non-operating items, but the terms are often used interchangeably.
How do you get from operating income to EBT?
Add other income and subtract interest expense and other non-operating costs. For Apple in fiscal 2025, operating income of $133,050 million plus other expense of $321 million gives EBT of $132,729 million.
Why did Apple stop reporting interest expense?
Starting with its fiscal 2024 Form 10-K, Apple folded interest expense into its other income/(expense), net line. Separate figures are available only through fiscal 2023.

Written by Dr. Paul Borosky, DBA, MBA, business consultant, author, and adjunct finance instructor with an MBA focused in finance.

This page is for general educational purposes only. It is not investment, financial, tax, accounting, or legal advice, and nothing here is a recommendation to buy or sell any security. Apple and Microsoft figures come from their public filings as analyzed in the book. Apple and Microsoft are trademarks of their respective owners, and this page is not affiliated with or endorsed by either company.