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The term "operating margin" refers to the amount of profit you have for each $1 in sales after deducting all expenses other than interest and taxes. In the following video, Fool.com analyst Isaac Pino sheds light on what this means for the everyday investor, both in reading an income statement and in relation to other margins and figures.

Operating margin can be especially useful in evaluating a company such as 3M(NYSE:MMM)

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Isaac Pino and The Motley Fool have no positions in the stocks mentioned above. Motley Fool newsletter services recommend 3M. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.