Difference between gross profit margin & net profit margin

Gross profit margin and net profit margin are computed from the revenues generated by a business and expressed as a percentage. The difference lies in what charges are applied to revenues before the calculations are made.


Gross profit, as defined by "Investor Words," is "sales minus all costs directly related to those sales" including "manufacturing expenses, raw materials, labour, selling, marketing and other expenses"

Net profit is "the bottom line, calculated by subtracting a company's total expenses from total revenue, thus showing what the company has earned in a given period of time."

Margin calculation

Gross profit margin is computed by dividing gross profit by sales. Net profit margin is calculated by dividing net profit by net revenues.


Revenues, costs and expenses used to compute gross profit and net profit margins are found in a company's income statement.


Gross profit and net profit margins are useful to investors comparing a company's current performance with past performance, or to make comparisons between companies in the same industry or sector.


The gross profit margin is a good general indicator of the overall efficiency of a company. The net profit margin is an indicator of relative profitability with respect to past performance and other similar businesses.

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About the Author

Based in Arlington, Texas, Larry Darter has been writing articles on a broad range of topics including building and construction, outdoor recreation and personal finance since 2009. His articles have appeared on Suite101 and Associated Content. In addition, Darter writes content regularly on assignment for private clients. He holds a Bachelor of Science in accounting from the University of Central Oklahoma.

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