A 70% gross margin sounds exceptional. But if operating expenses consume 65% of revenue, the operating margin is only 5% — and after taxes, net profit might be 3%. Each margin layer tells a different story about business health, and understanding all three is what separates investors from optimists.
Gross profit margin
Gross margin measures production and sourcing efficiency — how much revenue is left after the direct cost of making or buying the product:
Gross Profit = Revenue − Cost of Goods Sold (COGS)
Gross Margin% = Gross Profit ÷ Revenue × 100
Example: Revenue $500,000 / COGS $200,000
Gross Profit = $300,000
Gross Margin% = $300,000 ÷ $500,000 × 100 = 60%Gross margin does not include salaries, rent, marketing, or any overhead — only the direct cost of producing what was sold. A low gross margin means the product itself is expensive to produce or source relative to its selling price.
Operating profit margin
Operating margin measures the profitability of the core business before financing costs and taxes:
Operating Profit = Gross Profit − Operating Expenses
Operating Margin% = Operating Profit ÷ Revenue × 100
Operating expenses include: salaries, rent, marketing,
R&D, depreciation, SG&A costs.
Continuing example: Operating Expenses = $230,000
Operating Profit = $300,000 − $230,000 = $70,000
Operating Margin% = $70,000 ÷ $500,000 × 100 = 14%Net profit margin
Net margin is the bottom line — the percentage of revenue that becomes actual profit after all costs, interest, and taxes:
Net Profit = Operating Profit − Interest − Taxes
Net Margin% = Net Profit ÷ Revenue × 100
Continuing example: Tax + Interest = $20,000
Net Profit = $70,000 − $20,000 = $50,000
Net Margin% = $50,000 ÷ $500,000 × 100 = 10%Markup vs margin — the most common confusion
Markup and margin both express profit as a percentage — but they use different bases. This trips up almost every new seller:
| Markup on cost | Resulting gross margin | Example (cost $10) |
|---|---|---|
| 25% | 20% | $12.50 |
| 50% | 33.3% | $15.00 |
| 100% | 50% | $20.00 |
| 200% | 66.7% | $30.00 |
Markup = profit ÷ cost. A 100% markup on a $10 product gives a $20 selling price and a 50% gross margin — not a 100% margin. Margin = profit ÷ revenue. These two metrics always diverge, and confusing them can lead to systematic underpricing.
Industry benchmark margins
| Industry | Typical Gross Margin | Typical Net Margin |
|---|---|---|
| SaaS / Software | 70–85% | 10–25% |
| Ecommerce (DTC) | 40–60% | 5–15% |
| Amazon FBA | 30–50% | 10–20% |
| Retail (physical stores) | 20–40% | 2–5% |
| Food & Beverage | 60–70% | 3–8% |
| Manufacturing | 20–40% | 3–10% |
The profit margin calculator lets you select your industry and shows benchmark badges (Healthy / Above avg / Below avg / Low) next to each margin result — so you can see at a glance where you stand.
How to improve profit margins
- Raise gross margin first. Every $1 saved on COGS flows directly through to net margin. Supplier negotiations, better purchasing terms, and reducing material waste are the highest-leverage levers.
- Reduce operating expense ratio. As revenue grows, fixed operating costs (rent, salaries) become a smaller percentage of revenue — this is operating leverage. Don't scale variable overhead (marketing headcount, agency fees) at the same rate as revenue.
- Price for margin, not market share. A 5% price increase on strong brand loyalty increases net margin more than a 20% reduction in marketing spend, in most cases.
Frequently asked questions
What is a good net profit margin for ecommerce? 10–20% is healthy, 20–30% is strong, and above 30% is exceptional. Below 5% leaves little room for volatility.
Why is my gross margin high but net margin low? High operating expenses relative to revenue — usually marketing spend, salaries, or rent. Use the waterfall to identify which expense layer is consuming the most.
Can net margin be higher than gross margin? No — gross margin is always the ceiling. Net margin can only be equal to or lower than gross margin, since additional expense layers are subtracted at each level.
Calculate your profit margins free →Related tools: Break-Even Calculator · Shopify Profit Calculator · Pricing Calculator · Amazon FBA Calculator