# Operating Income, EBIT and EBITDA

> Operating income and EBIT measure profit from the core business; EBITDA adds back depreciation and amortisation. Learn the formulas, uses and EBITDA's flaws.

Source: https://learn.tradelabsai.com/fundamentals/operating-income-ebit-and-ebitda/  
Track: Fundamental Analysis · Level: Intermediate · Updated: 2026-10-03  
Publisher: TradeLabs AI (https://tradelabsai.com). Education, not financial advice.  
Cite as: TradeLabs Learn, "Operating Income, EBIT and EBITDA", https://learn.tradelabsai.com/fundamentals/operating-income-ebit-and-ebitda/

Operating income shows how much profit a company makes from its core business, after paying for production, sales, administration and research, but before interest and taxes. EBIT (earnings before interest and taxes) is closely related, and EBITDA (earnings before interest, taxes, depreciation and amortisation) goes further by adding back non cash charges. These measures let traders compare businesses with different debt levels and tax situations, and they underpin popular valuation ratios such as EV/EBITDA.

## Definitions

| Measure | Formula | What it shows |
|---|---|---|
| Operating income | Revenue minus COGS minus operating expenses | Profit from core operations |
| EBIT | Net income + interest + taxes (often similar to operating income) | Profit before financing and tax |
| EBITDA | EBIT + depreciation + amortisation | A rough proxy for operating cash earnings |
| Adjusted EBITDA | EBITDA excluding items management considers unusual | Company specific; often flattering |

Operating income and EBIT can differ when a company has non operating income or expenses, such as gains on investments.

## Worked example

**Example: From revenue to EBITDA**
| Line | $ millions |
|---|---|
| Revenue | 2,000 |
| COGS | (1,200) |
| Operating expenses (excluding D&A) | (400) |
| Depreciation and amortisation | (150) |
| **Operating income (EBIT)** | **250** |
| Add back D&A | 150 |
| **EBITDA** | **400** |

EBIT margin: 12.5%. EBITDA margin: 20%. If the company's capital expenditures are $180 million a year, EBITDA minus capex is $220 million, a better sense of cash earnings than EBITDA alone. See [Capex, Depreciation and Amortization](https://learn.tradelabsai.com/fundamentals/capex/).

## Why analysts use EBITDA

- **Compares companies with different debt levels,** since interest is excluded.
- **Removes differences in depreciation policies** and the effects of past acquisitions (amortisation).
- **Used in debt covenants and leverage ratios,** such as net debt / EBITDA.
- **Base for EV/EBITDA valuation,** popular in mergers and private equity. See [EV/EBITDA and EV/Sales](https://learn.tradelabsai.com/fundamentals/ev-ebitda-and-ev-sales/).

## Criticisms of EBITDA

Warren Buffett and Charlie Munger were famously harsh critics of EBITDA, arguing that it ignores real costs. The main objections:

- **Depreciation is a real cost:** equipment wears out and must be replaced. A capital heavy business with high EBITDA can still generate little cash.
- **Ignores working capital needs.** See [Working Capital](https://learn.tradelabsai.com/fundamentals/working-capital/).
- **Ignores interest and taxes,** which must be paid.
- **Adjusted EBITDA** can exclude recurring costs such as stock based compensation and "one off" restructuring charges that happen every year.

**Example: Same EBITDA, different businesses**
Two companies each report EBITDA of $500 million. Company A is a software firm with capex of $50 million; Company B is a telecom operator with capex of $400 million. EBITDA minus capex is $450 million for A and $100 million for B. They may trade at similar EV/EBITDA multiples, but their cash generation is very different.

## Operating margin and leverage

```
operating margin = operating income / revenue
```

Companies with high fixed costs see operating income grow faster than revenue when sales rise, and fall faster when sales drop. This is operating leverage. See [Operating and Financial Leverage](https://learn.tradelabsai.com/fundamentals/operating-and-financial-leverage/) and [Revenue Growth and Margin Analysis](https://learn.tradelabsai.com/fundamentals/margin-analysis/).

## Using these measures well

1. **Start with operating income** for profitability from the core business.
2. **Use EBITDA for comparisons and leverage ratios,** but always subtract capex.
3. **Check the reconciliation** from GAAP net income to adjusted EBITDA in earnings releases.
4. **Compare cash flow from operations** with EBITDA to test quality. See [Earnings Quality and Cash Conversion](https://learn.tradelabsai.com/fundamentals/earnings-quality/).

## Frequently asked questions

### What is the difference between EBIT and EBITDA?

EBIT is earnings before interest and taxes; EBITDA also adds back depreciation and amortisation, which are non cash charges.

### Why is EBITDA criticised?

Because it ignores real costs such as replacing equipment, working capital needs, interest and taxes, and adjusted versions can exclude recurring expenses.

### What is operating income?

Revenue minus the cost of goods sold and operating expenses, showing profit from the core business before interest and taxes.

Next, reach the bottom line in [Net Income and EPS](https://learn.tradelabsai.com/fundamentals/net-income-and-eps/).

## Continue learning

- Next lesson: [Net Income and EPS](https://learn.tradelabsai.com/fundamentals/net-income-and-eps/)
- Previous lesson: [Revenue and Gross Profit](https://learn.tradelabsai.com/fundamentals/revenue-and-gross-profit/)
- Related: [Revenue and Gross Profit](https://learn.tradelabsai.com/fundamentals/revenue-and-gross-profit/): Revenue is what a company sells; gross profit is what remains after direct costs. Learn revenue recognition, growth metrics, gross margin and what they reveal.
- Related: [Income Statement](https://learn.tradelabsai.com/fundamentals/income-statement/): The income statement shows a company's revenue, costs and profit over a period. Learn each line from revenue to EPS, a worked example and what traders watch.
- Related: [EV/EBITDA and EV/Sales](https://learn.tradelabsai.com/fundamentals/ev-ebitda-and-ev-sales/): EV/EBITDA and EV/Sales compare a company's total value, including debt, with its earnings or revenue. Learn how to calculate EV, when to use each and the limits.
- Related: [Revenue Growth and Margin Analysis](https://learn.tradelabsai.com/fundamentals/margin-analysis/): Profit margins show how much of each dollar of sales a company keeps. Learn gross, operating, EBITDA and net margins, how to analyse trends and what drives them.
- Related: [Capex, Depreciation and Amortization](https://learn.tradelabsai.com/fundamentals/capex/): Capital expenditures are spending on long term assets like factories and equipment. Learn maintenance vs growth capex, capex intensity and what capex signals.
- Related: [Earnings Quality and Cash Conversion](https://learn.tradelabsai.com/fundamentals/earnings-quality/): Earnings quality asks whether reported profits are real, repeatable and backed by cash. Learn accruals, warning signs, the Beneish model and famous frauds.