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Gross Profit Margin Formula

Measures how efficiently a company turns sales into profit after covering direct production costs.

Gross Profit Margin=(SalesCOGS)/Sales×100

What It Tells You

Gross profit margin shows the percentage of each dollar of revenue that remains after paying the direct costs of producing goods or services. A margin of 40% means the company keeps $0.40 from every dollar of sales to cover operating expenses, interest, taxes, and profit. Comparing gross margins across periods or against competitors reveals whether a company is pricing effectively and controlling production costs.

Components

  • SalesTotal revenue from goods or services sold during the period, before any deductions.
  • COGSCost of Goods Sold — direct costs of producing or purchasing the items sold, including raw materials, direct labor, and manufacturing overhead.

Worked Example

Company with $800,000 in sales and $480,000 in COGS

1Calculate gross profit: $800,000 - $480,000 = $320,000
2Divide by sales: $320,000 / $800,000 = 0.40
3Multiply by 100: 0.40 x 100 = 40%

Why It Matters

Gross profit margin is one of the first profitability ratios investors examine. A declining margin may indicate rising material costs, pricing pressure, or inefficient production. A stable or improving margin suggests the company has pricing power and solid cost controls.

Industry benchmarks vary widely — software companies often see margins above 70%, while grocery retailers may operate at 25-30%. Knowing your gross margin helps you set prices, negotiate with suppliers, and decide whether to invest in automation or outsource production.

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