Pound (mass)
For the unit of weight or force, see Pound (force). For the monetary unit, see Pound (currency).
“lb.” and “lbs.” redirect here. For other uses, see LB and LBS. The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces. The international standard symbol for the avoirdupois pound is lb; an alternative symbol is lbm (for most pound definitions), # (chiefly in the U.S.), and ℔ or ″̶ (specifically for the apothecaries’ pound). The unit is descended from the Roman libra … Continue Reading (13 minute read)