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Step 1
Open a new workbook in Microsoft Excel. Enter the sales and cost of good sold data down a column. For example, if you want to calculate the gross profit margin for a company that has sales of $500,000 and cost of goods sold of $200,000 enter the following information in these cells:
A1 - Sales
B1 - 500000
A2 - Cost of goods sold
B2 - 200000
A3 - Gross profit
A4 - Gross profit margin -
Step 2
Type "=B1-B2" in cell B3 to calculate the gross profit. Gross profit is equal to sales minus cost of goods sold. In this example, the company's gross profit is $300,000.
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Step 3
Type "(B3/B1)*100" in cell B4 to calculate the gross profit margin. In this example, the company's gross profit margin is 60%, which indicates that 60% of the revenue the company generates goes toward profit, while 40% goes toward expenses of producing those sales.












