The unit is descended from the Roman libra (hence the symbol lb, descended from the scribal abbreviation, ℔). The English word pound comes from the Roman libra pondo ('the weight …

Definition: A pound (symbol: lb) is a unit of mass used in the imperial and US customary systems of measurement. The international avoirdupois pound (the common pound used today) is …

Pound (lb) is an imperial weight unit primarily used in the United States but also common in the United Kingdom and Ireland. One pound is approximately 0.4536 kg.

The pound (abbreviation: lb) is a unit of mass or weight in a number of different systems, including English units, Imperial units, and United States customary units.

plural lb. or lbs. Add to word list abbreviation for pound (Definition of lb from the Cambridge Academic Content Dictionary © Cambridge University Press)

The English word pound is from pondo, but the abbreviation lb is derived from libra. It is likely that the usage entered the English language during the Middle English period, in the 14th century.

What does the abbreviation LB stand for? Meaning: pound.

Convert pounds (lb) to another unit of weight such as tons, ounces, or metric tons, and see the conversion formulas.

A pound (usually abbreviated as lb, plural lbs) is a unit used to measure the mass of something. It is used in the imperial system and the United States customary system.

Aug 1, 2025 · A pound is a unit of mass and has the symbol lb. The pound is a unit of mass in the British imperial system of units and United States customary units where there are exactly 16 …