imperial system
English
Noun
the imperial system (plural imperial systems)
- A system of measurement in use in the United Kingdom and other Commonwealth countries, now mostly superseded by the metric system; similar to the system currently used in the United States; consisting of units such as the inch, the mile and the pound (of weight).
Synonyms
- imperial
- (jocular) old money
- 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
- decimal
- metric system