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Gross margin and net margin answer different questions about business profitability. Gross margin focuses on what remains after the direct cost of producing or acquiring what was sold. Net margin looks at what remains after broader business expenses and other applicable items.
Gross profit and gross margin
For a product business, the IRS describes gross profit as net receipts minus cost of goods sold. Gross margin expresses that gross profit as a percentage of revenue.
Gross margin = gross profit ÷ revenue × 100.
Net profit and net margin
Net profit goes beyond direct product costs and reflects additional business expenses. Net margin expresses net profit as a percentage of revenue.
Net margin = net profit ÷ revenue × 100.
Simple example
| Item | Amount |
|---|---|
| Revenue | $100,000 |
| Cost of goods sold | $60,000 |
| Gross profit | $40,000 |
| Other expenses | $30,000 |
| Illustrative net profit | $10,000 |
Gross margin = 40%. Net margin = 10% in this simplified example.
Why gross margin can improve while net margin falls
A business can sell products more efficiently while still spending more on payroll, rent, interest, marketing, technology, or expansion. Gross margin can therefore improve even as net margin declines.
Why net margin can hide operating detail
Net margin compresses many factors into one percentage. A falling net margin may reflect weaker pricing, higher labor cost, financing expense, one-time charges, or deliberate investment for growth. Management should trace the change rather than stop at the headline ratio.
Service businesses need careful definitions
For service businesses, direct labor and other service-delivery costs may be classified differently depending on the accounting system. Consistency matters more than forcing every business into a product-company formula.
Use margins as trends, not trophies
Margins are most useful when you compare the same business over time or compare businesses with similar models and accounting treatment. A “good” margin depends heavily on industry and stage of business.
Continue learning
Read Revenue vs. Profit and visit the Business & Entrepreneurship hub.
Sources & methodology
This article provides general business education, not individualized accounting or tax advice.
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