Which is heavier, a pound of gold or a pound a feathers?

A pound of feathers is heavier than a pound of gold because gold is measured in troy pounds, while feathers are measured in avoirdupois pounds. Troy pounds are made of 12 ounces and avoirdupois pounds have 16 ounces. A troy pound contains 372 grams in the metric system, and an avoirdupois pound contains 454 grams.


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