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Definition 2024


imperial_system

imperial system

English

Noun

the imperial system (uncountable)

  1. A system of measurement in use in the United Kingdom and other Commonwealth countries, now mostly superseded by the metric system; similar to the system currently used in the United States; consisting of units such as the inch, the mile and the pound (a unit of weight)

Synonyms

Table of selected Imperial Units
Imperial unit symbol Imperial equivalent Metric equivalent
lengths
mile mi = 8 furlongs = 1.609344 km
= 1760 yards
= 5280 feet
furlong = 10 chains = 201.17 metres
= 220 yards
chain = 4 rods = 20.117 metres
= 22 yards
rod = 5½ yards = 5.029 metres
yard yd = 3 feet = 0.9144 metre
foot ft
'
= 12 inches = 30.48 cm
inch in
"
= 2.54 cm
acre = 208.71 ft by 208.71 ft
= 43,560 ft2
= 1 chain by 1 furlong
= 4,046.8564224 m2
weights
ton = 160 stone (UK) = 1015.7 kg
= 2240 pounds (UK)
= 2000 pounds (US)
hundredweight cwt = 8 stone (UK) = 50.8 kg
= 112 pounds (UK)
= 100 pounds (US)
stone st = 14 pounds = 6.356 kg
pound lb
#
= 16 ounces = 0.454 kg
ounce oz = 28.35g

See also