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Math Requirements for a Plumbing Career

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Plumbers need more than just knowledge of the trade. Plumbers use several forms of mathematics daily, from estimating a job to calculating pipe measurements. A strong knowledge of mathematics is integral for plumbers to successfully perform their trade.

Addition and Subtraction

A plumber needs a strong command of basic addition and subtraction. He requires these skills for making exact measurements and for estimating jobs, which entails calculating a profit from the cost of material and labor when quoting a customer a price.

Multiplication and Division

Plumbers need a working knowledge of multiplication and division, especially for making advanced measurements and dealing with the amount of water pressure running through pipes. Also, plumbers may find themselves needing to calculate the square root of numbers, which would involve quick multiplication.

Algebra and Geometry

Although advanced mathematics, such as algebra and geometry, are not as required for plumbers as addition, subtraction, multiplication and division, they are useful for reading blueprints, building plans and diagrams. Knowledge of these concepts is usually required for master plumbers as well, and it comes in handy when acquiring an advanced plumbing license.