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High-Tech Channel Hitachi High-Tech GLOBAL

A standard founded on bread

Symbol: lb / Base data: mass. Imperial units. 1 lb = 0.45359237 kg

Originated in the era of Queen Elizabeth I

A basic measurement of mass under the metric system that originated in the era of Queen Elizabeth I. It was determined by the mass of barley needed to make bread to feed one adult per day. The seemingly unrelated symbol of “lb” originates from “libra”, which means balance or scales.