Margin is the space between what something costs and what it sells for. It's the fundamental measure of business health, and it comes in more flavors than most marketers realize.
When someone says "our margins are under pressure," they could mean five different things depending on which margin they're talking about. Gross margin, operating margin, net margin, contribution margin, trade margin. Each one tells a different story about where value is being created or destroyed in the business.
Margins stack on top of each other, from least-inclusive to most-inclusive:
| Margin Type | Formula | What Gets Subtracted |
|---|---|---|
| Contribution Margin | (Revenue - Variable Costs) / Revenue | Only variable costs |
| Gross Margin | (Revenue - COGS) / Revenue | All direct production costs |
| Operating Margin | Operating Income / Revenue | COGS + all operating expenses |
| Net Margin | Net Income / Revenue | Everything including interest and taxes |
Each step down the cascade includes more costs. Gross margin is always higher than operating margin, which is always higher than net margin (assuming the company is profitable and has operating expenses).
Contribution margin tells you whether a product or campaign is worth pursuing at the unit level. If contribution margin is negative, every sale loses money regardless of volume.
Gross margin tells you about pricing power and competitive position. Companies with high gross margins have room to invest in marketing, R&D, and growth. Companies with low gross margins are constrained.
Operating margin tells you whether the entire business model works. A company can have great gross margins but terrible operating margins if overhead is bloated. This is the margin that determines sustainable profitability.
Net margin is the bottom line, but it includes items outside marketing's control (interest expense, tax strategy). It's the investor metric, not the marketing metric.
This is the confusion that costs companies money:
Margin is calculated on the selling price: (Price - Cost) / Price
Markup is calculated on the cost: (Price - Cost) / Cost
A $100 product with $60 cost has:
Same product, same profit, completely different percentages. If your pricing team uses markup and your finance team reports margin, you'll talk past each other. Always clarify which calculation is being used.
| Cost | Selling Price | Margin | Markup |
|---|---|---|---|
| $50 | $100 | 50% | 100% |
| $60 | $100 | 40% | 67% |
| $70 | $100 | 30% | 43% |
| $80 | $100 | 20% | 25% |