Pound: (symbol: lb) is a unit of weight (or mass) used in the United States customary system and the British imperial system.
Interesting Facts:
Avoirdupois Ounce (oz) - most commonly used for everyday measurements of weight in the U.S. Defined as 1/16 of a pound (lb) and is equal to 28.3495 grams (g).
Troy Ounce (oz t) - Used primarily for weighing precious metals like gold, silver, and platinum. And is slightly heavier than an avoirdupois ounce at 31.1035 grams (g).
Interesting Facts:
- The pound has origins in the Roman unit libra (where it took its symbol lb).
- The pound was officially defined in 1959 as 0.45359237 kilograms in agreement between the U.S. and Commonwealth countries.
- Pound Sterling is the name of the U.K.'s currency, which derives its name from the fact that back in arround 800 year 240 silver coings, called "sterlings", were minted from a pound of silver.
Avoirdupois Ounce (oz) - most commonly used for everyday measurements of weight in the U.S. Defined as 1/16 of a pound (lb) and is equal to 28.3495 grams (g).
Troy Ounce (oz t) - Used primarily for weighing precious metals like gold, silver, and platinum. And is slightly heavier than an avoirdupois ounce at 31.1035 grams (g).
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