Definition
What is COGS (Cost of Goods Sold)?
The direct costs of producing or delivering what you sell.
COGS includes every cost that scales directly with each unit sold — materials, manufacturing, freight-in, packaging, payment processing on some accounting treatments. It excludes fixed overhead like rent, salaries, and marketing. Getting COGS boundaries right is the prerequisite for every margin calculation: understate it and every "profitable" decision downstream inherits the error.
Formula
Gross Profit = Revenue − COGSExample
A $60 product with $14 materials, $6 manufacturing, $4 inbound freight, and $3 packaging has $27 COGS and a 55% gross margin.