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more free magazines       Glossary » Units » Linear Mass Density » Pound (mass) Per Inch Pound (mass) Per Inch (lbm/in) is a unit in the category of Linear mass density. It is also known as pound/inch. Pound (mass) Per Inch (lbm/in) has a dimension of ML-1 where M is mass, and L is length. It can be converted to the corresponding standard SI unit kg/m by multiplying its value by a factor of 17.8579673228.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Linear mass density include Denier (den, denier), Kilogram Per Meter (kg/m), Ounce (mass) Per Foot (oz/ft), Ounce (mass) Per Inch (oz/in), Pound (mass) Per Foot (lbm/ft), and Tex (tex).   