Operating margin is a profitability ratio that measures a company’s operating efficiency after cost of goods sold and operating expenses have been deducted from revenue. Operating income is ...

Net profit margin is the percentage of a company's revenue that remains as profit after accounting for all operating expenses, taxes, interest and other costs. In other words, it's the measure of ...

As a percentage, the gross profit margin is always stated as a percentage of revenue. Operating expenses include all overhead and labor expenses associated with the operations of the business.