Pound (mass) - Wikipedia
https://en.wikipedia.org/wiki/Pound_(mass)
Historically, in different parts of the world, at different points in time, and for different applications, the pound (or its translation) has referred to broadly similar but not identical standards of mass or force. The libra (Latin for "scales / balance") is an ancient Roman unit of mass that was equivalent to approximately 328.9 grams. It was divided into 12 unciae (singul… Symbol: lb SI units: 0.45359237 kg Unit of: mass
Symbol: lb
SI units: 0.45359237 kg
Unit of: mass
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