noun
imperial units; yard-pound system
Refers to the traditional British/American system of weights and measures based on yards and pounds. Often contrasted with the metric system.
アメリカではまだヤード・ポンド法が使われている。
The imperial system is still used in the United States.
ヤード・ポンド法からメートル法への換算はややこしい。
Converting from imperial to metric is confusing.