How to Calculate EBITDA: A Step-by-Step Guide for Business Owners

If you're thinking about selling your business, EBITDA is the number that matters most. It's the metric buyers, investors, and lenders use to evaluate what your company is worth — and it directly determines the price you'll be offered.

Yet many business owners have never calculated their own EBITDA. They rely on their accountant's tax-focused financials, which are designed to minimize taxable income — the exact opposite of what you want when selling.

Here's how to calculate EBITDA properly, how to adjust it to reflect the true earning power of your business, and how buyers will use it to determine your valuation.

What is EBITDA?

EBITDA stands for Earnings Before Interest, Taxes, Depreciation, and Amortization. It measures how much cash profit your business generates from its core operations, stripping out financing decisions, tax strategies, and accounting treatments that vary from company to company.

Buyers use EBITDA because it creates an apples-to-apples comparison. A business funded entirely by debt will have different interest expenses than one funded by equity — but the underlying operating performance might be identical. EBITDA removes that noise.

The Basic EBITDA Formula

There are two ways to calculate EBITDA. Both give you the same result.

Method 1: Start from Net Income

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

This is the most common approach. Start with your bottom-line profit and add back the four items that EBITDA excludes.

Method 2: Start from Operating Income

EBITDA = Operating Income (EBIT) + Depreciation + Amortization

If your income statement shows operating income as a line item, this is even simpler. Operating income already excludes interest and taxes, so you only need to add back depreciation and amortization.

Step-by-Step Calculation Example

Let's walk through a real example. Suppose your income statement shows:

| Line Item | Amount | |-----------|--------| | Revenue | $2,500,000 | | Cost of Goods Sold | $1,200,000 | | Gross Profit | $1,300,000 | | Operating Expenses | $800,000 | | Depreciation | $75,000 | | Amortization | $25,000 | | Operating Income (EBIT) | $400,000 | | Interest Expense | $50,000 | | Taxes | $87,500 | | Net Income | $262,500 |

Using Method 1:

EBITDA = $262,500 + $50,000 + $87,500 + $75,000 + $25,000 = $500,000

Using Method 2:

EBITDA = $400,000 + $75,000 + $25,000 = $500,000

Same result either way.

What is Adjusted EBITDA?

Here's where it gets important for sellers. Basic EBITDA is just the starting point. Adjusted EBITDA takes the calculation further by adding back expenses that are discretionary, non-recurring, or unique to the current owner.

Adjusted EBITDA answers the question: How much would this business earn under a typical, professional owner?

This is the number buyers actually use to value your business. In most transactions, adjusted EBITDA is significantly higher than basic EBITDA — which means a higher valuation.

Common EBITDA Add-Backs

Add-backs are expenses that get added back to EBITDA because they wouldn't exist under new ownership. Here are the most common ones:

Owner Compensation Above Market Rate

If you pay yourself $400,000 but the market rate for a CEO in your industry is $200,000, the $200,000 difference is an add-back. Conversely, if you underpay yourself, you'd subtract the difference.

Owner Perks and Personal Expenses

Expenses run through the business for the owner's benefit:

• Personal vehicle expenses
• Personal travel
• Family members on payroll who don't meaningfully contribute
• Country club memberships
• Personal insurance premiums

One-Time or Non-Recurring Expenses

Costs that won't repeat under normal operations:

• Lawsuit settlements or legal fees
• Relocation costs
• Severance payments
• Natural disaster recovery costs
• COVID-related expenses

Non-Cash Expenses

Beyond depreciation and amortization (already excluded from EBITDA):

• Stock-based compensation
• Write-downs or impairments
• Unrealized gains or losses

Rent Adjustments

If the business operates in a property you own and the rent is above or below market rate, an adjustment is needed to reflect fair market rent.

Non-Operating Income and Expenses

Revenue or costs unrelated to the core business:

• Gains or losses on asset sales
• Investment income
• Charitable donations above a typical corporate level

Adjusted EBITDA Example

Continuing our example above, suppose we identify these add-backs:

| Add-Back | Amount | |----------|--------| | EBITDA (from above) | $500,000 | | Owner salary above market | $150,000 | | Owner's personal vehicle | $18,000 | | Spouse on payroll (no role) | $60,000 | | One-time legal settlement | $45,000 | | Personal travel expenses | $12,000 | | Adjusted EBITDA | $785,000 |

That's a 57% increase over basic EBITDA — and at a 4x multiple, it translates to an additional $1.14 million in business value.

How Buyers Use EBITDA to Value Your Business

The standard valuation formula for mid-market businesses is:

Enterprise Value = Adjusted EBITDA x Industry Multiple

The multiple depends on your industry, size, growth rate, and risk profile. Typical ranges:

| Business Type | EBITDA Multiple Range | |--------------|----------------------| | Professional services | 3-6x | | Manufacturing | 4-7x | | Technology / SaaS | 5-12x | | Healthcare | 5-10x | | Retail / E-commerce | 2-5x | | Construction | 3-5x | | Distribution | 4-6x |

Using our example: a professional services firm with $785,000 in adjusted EBITDA at a 5x multiple would be valued at approximately $3.9 million.

Rules for Defensible Add-Backs

Buyers will scrutinize every add-back during due diligence. To avoid pushback:

Be honest. Inflated add-backs will be caught, and they destroy credibility. Once a buyer questions one add-back, they'll question all of them.

Document everything. Every add-back should be supported by receipts, contracts, or clear documentation. "Trust me" is not a source.

Apply the replacement test. Ask yourself: if you hired a professional manager to replace you tomorrow, would this expense still exist? If yes, it's not an add-back.

Be conservative on projections. Add-backs should reflect actual historical expenses, not hypothetical future savings.

Get professional help. A quality-of-earnings analysis prepared by a CPA firm adds credibility to your adjusted EBITDA. Many buyers will commission their own QofE report — you want yours to match.

EBITDA vs. SDE: Which Should You Use?

For smaller businesses (typically under $1-2 million in earnings), buyers often use Seller's Discretionary Earnings (SDE) instead of EBITDA. SDE adds back the full owner's salary and benefits, not just the above-market portion.

SDE = EBITDA + Total Owner's Compensation

SDE is used when the buyer intends to be an owner-operator. EBITDA is used when the business has (or will have) professional management in place.

If your business generates less than $1 million in profit and you're heavily involved in daily operations, SDE is likely the right metric. Above that level, buyers will typically focus on EBITDA.

Mistakes That Lower Your EBITDA

Some common practices that depress your EBITDA — and therefore your valuation:

• Aggressive tax minimization — Running personal expenses through the business saves on taxes but lowers your EBITDA. Plan your exit 2-3 years ahead and start cleaning up.
• Deferred maintenance — Pushing off necessary repairs or upgrades reduces expenses today but creates questions about hidden liabilities.
• Under-investing in growth — Cutting marketing or R&D to boost short-term profits can make your growth story less compelling to buyers.

The Bottom Line

EBITDA is the language of business valuation. Understanding how to calculate it — and more importantly, how to properly adjust it — is essential if you want to maximize the price you receive when you sell.

Start by calculating your basic EBITDA, then work through the add-backs methodically. Be honest, be thorough, and get professional support.

If you want to see how your EBITDA stacks up and what it might mean for your business value, take the SellRipe exit readiness assessment. It walks you through the key metrics buyers care about and helps you identify where to focus your preparation efforts.