Profit Margins

What is Margins?

Margins show what percentage of revenue becomes profit at different stages. Gross margin is after product costs, operating after all operations, net after everything.

Think of it like this

Selling lemonade for $10. Ingredients cost $3 (70% gross margin). Add $4 for stand rental and labor (30% operating margin). After $1 taxes, keep $2 (20% net margin).

Formula

Margin = (Revenue - Costs) / Revenue × 100
  • Gross Margin: (Revenue - COGS) / Revenue
  • Operating Margin: Operating Income / Revenue
  • Net Margin: Net Income / Revenue

Why it matters

  • Shows operational efficiency
  • Indicates pricing power
  • Reveals competitive advantage
  • Trends show improving/declining business

What's a good value?

Gross < 20%
Low Margin
Commodity business
Gross 20-50%
Moderate
Typical manufacturing
Gross > 50%
High Margin
Software/luxury goods
Net < 5%
Thin
Low profitability
Net > 20%
Excellent
Highly profitable

Real-world example

Apple gross margin: 43% - premium pricing. Walmart net margin: 2% - volume business. Software company: 80% gross - minimal COGS. Airlines: 5% net - competitive industry.

Things to watch out for

  • Compare within same industry
  • Can sacrifice margin for growth
  • Temporary factors affect margins
  • Different accounting methods impact

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