How to Calculate EBITDA: A Step-by-Step Breakdown

The basic EBITDA formula

EBITDA is calculated by taking net income and adding back four specific expenses: interest, taxes, depreciation, and amortization. The formula is:

Net Income + Interest + Taxes + Depreciation + Amortization = EBITDA

You find net income on the bottom line of the income statement — it is what remains after all expenses are paid. The other four items appear as line items on the income statement or in the notes that accompany it. You are not estimating or adjusting anything; you are pulling actual numbers from the financial statements and adding them together.

The reason you add these items back is that EBITDA shows what a business earned before the effects of financing decisions (interest), tax situations (taxes), and accounting choices about asset life (depreciation and amortization). This makes it useful for comparing one company to another, or for comparing the same company across different years.

Key Takeaways

EBITDA starts with net income from the income statement and adds back interest, taxes, depreciation, and amortization — all of which appear as actual line items on the financial statements.
Depreciation and amortization are non-cash expenses, meaning the company did not actually spend money in that period, so adding them back shows cash-generating ability.
You can calculate EBITDA from either the income statement (top-down method) or from operating cash flow (bottom-up method), and both should produce the same result.
EBITDA is useful for comparing businesses in the same industry, but it does not account for capital expenditures or changes in working capital that affect actual cash available.

Where to find each number on the financial statements

Net income appears at the bottom of the income statement, labeled as "Net Income" or "Net Loss." This is the final profit or loss after all expenses, including the four items you will add back.

Interest expense is usually listed separately on the income statement under "Interest Expense" or sometimes grouped under "Other Expenses." If the company has interest income as well, you use only the interest expense (the cost of borrowing), not the income.

Income tax expense appears on the income statement as "Income Tax Expense" or "Provision for Income Taxes." This is the actual tax expense recorded in that period, not the amount paid in cash (which may differ due to timing).

Depreciation and amortization may appear on the income statement itself, or they may be broken out in a separate schedule in the notes to the financial statements. Some companies combine them into one line called "Depreciation and Amortization"; others list them separately. If they are split, you add both back.

Working through a real example

Suppose a small manufacturing company has the following from its income statement for the year:

Net Income	$150,000
Interest Expense	$25,000
Income Tax Expense	$40,000
Depreciation	$35,000
Amortization	$10,000

The calculation is:

$150,000 + $25,000 + $40,000 + $35,000 + $10,000 = $260,000 EBITDA

This means the company generated $260,000 in earnings before accounting for how it financed itself (the $25,000 interest), what it owed in taxes ($40,000), and the non-cash charges for using up assets over time ($35,000 + $10,000). The $260,000 is often used to compare this company's operating performance to competitors or to itself in prior years.

Why depreciation and amortization are added back

Depreciation and amortization are non-cash expenses. The company did not write a check for them in the current period. Instead, they represent the accounting allocation of a cost that was paid in a prior year — when the asset was purchased — spread across the years the asset is expected to be useful.

Because they are non-cash, adding them back shows how much cash the business actually generated from operations, separate from accounting rules about asset life. A company with high depreciation (because it owns a lot of equipment) will look artificially less profitable under net income, but EBITDA strips that away and shows the true operating cash generation.

Interest and taxes are also added back, but for a different reason: they reflect financing and tax decisions, not operating performance. A company that borrowed heavily will have high interest expense; a company in a low-tax jurisdiction will have low tax expense. EBITDA removes these differences so you can see which company is actually better at running its business.

The alternative calculation method: starting from operating cash flow

You can also calculate EBITDA by starting with operating cash flow (found on the cash flow statement) and working backward. The formula is:

Operating Cash Flow + Interest Paid + Taxes Paid − Changes in Working Capital = EBITDA

This method is less common for quick calculations, but it is useful as a check. If your top-down calculation (starting from net income) does not match your bottom-up calculation (starting from cash flow), there is usually a timing difference or an error in your numbers.

The reason the two methods should match is that both are measuring the same underlying economic reality — how much the business earned before financing and tax effects. The income statement method is more straightforward and is the one most analysts use.

Common mistakes when calculating EBITDA

The most frequent error is forgetting to add back all four items. Some people add back depreciation and amortization but forget interest or taxes, or vice versa. Check your income statement carefully to make sure you have located each of the four line items before you add them to net income.

Another mistake is confusing interest expense with interest paid. Interest expense is the accounting charge for the period; interest paid is the actual cash outflow. For EBITDA, you use interest expense (from the income statement), not interest paid (from the cash flow statement).

A third error is including one-time or unusual items. EBITDA should reflect recurring operating performance. If the income statement includes a large gain on the sale of equipment or a restructuring charge, some analysts adjust EBITDA to exclude these, but that is a separate decision beyond the basic calculation. Start with the numbers as reported, then decide whether adjustments are needed for your analysis.

What EBITDA does and does not tell you

EBITDA is useful for comparing operating performance across companies or years because it removes the noise of different capital structures, tax situations, and depreciation methods. A business with high EBITDA relative to revenue is generating strong cash from its core operations.

However, EBITDA does not account for capital expenditures — the money spent to buy or upgrade equipment and facilities. A company can have high EBITDA but still run out of cash if it must spend heavily on new equipment. EBITDA also does not reflect changes in working capital, such as an increase in inventory or accounts receivable, which tie up cash even though they do not appear as expenses on the income statement.

For these reasons, EBITDA is best used alongside other metrics like free cash flow, return on assets, and debt-to-EBITDA ratio, rather than as the sole measure of financial health.

Frequently Asked Questions

Can EBITDA be negative?

Yes. If net income is negative and the add-backs do not exceed the loss, EBITDA will be negative. This means the business is not generating operating earnings even before accounting for financing and taxes. A negative EBITDA is a red flag that the core business is unprofitable.

Why do some companies report EBITDA differently than my calculation?

Companies sometimes adjust EBITDA to exclude one-time items, stock-based compensation, or other charges they consider non-recurring. This is called "adjusted EBITDA" and is not the same as the basic calculation. Always check whether a company is reporting EBITDA as calculated or adjusted EBITDA before comparing it to another company.

Is EBITDA the same as operating income?

No. Operating income (also called EBIT) is net income plus interest and taxes, but it does not add back depreciation and amortization. EBITDA adds those back, so it is always higher than operating income. Operating income is useful for measuring profitability after operating expenses; EBITDA is useful for measuring cash generation before financing and accounting choices.

Should I use EBITDA to value a company?

EBITDA is often used as a starting point for valuation — analysts multiply EBITDA by an industry average multiple to estimate enterprise value. However, this method assumes the company will continue to generate similar EBITDA and does not account for growth, risk, or capital needs. Use EBITDA as one input to valuation, not the only one.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.