# The Units of Measurement Regulations 1994, Part VI: Definitions of certain units which may not be used for trade except as supplementary indications


Measurement of length
Mile
=
1760 yards.
Furlong
=
220 yards.
Chain
=
22 yards.
YARD
=
0.9144 metre.
Foot
=
⅓ yard.
Inch
=
1/36 yard.
Measurement of area
Square mile
=
640 acres.
Acre
=
4840 square yards.
Rood
=
1210 square yards.
Square yard
=
a superficial area equal to that of a square each side of which measures one yard.
Square foot
=
1/9 square yard.
Square inch
=
1/144; square foot.
Measurement of volume
Cubic yard
=
a volume equal to that of a cube each edge of which measures one yard.
Cubic foot
=
1/27 cubic yard.
Cubic inch
=
1/1728 cubic foot.
Measurement of capacity
Bushel
=
8 gallons.
Peck
=
2 gallons
GALLON
=
4.54609 cubic decimetres.
Quart
=
¼ gallon.
Gill
=
¼ pint.
Fluid drachm
=
⅛ fluid ounce.
Minim
=
1/60 fluid drachm.
Measurement of mass or weight
Ton
=
2240 pounds.
Hundredweight
=
112 pounds.
Cental
=
100 pounds.
Quarter
=
28 pounds.
Stone
=
14 pounds.
Dram
=
1/16 ounce.
Grain
=
1/7000 pound.
Pennyweight
=
24 grains.
Ounce apothecaries
=
480 grains.
Drachm
=
⅛ ounce apothecaries.
Scruple
=
⅓ drachm.
Metric ton
=
1000 kilograms.
Quintal
=
100 kilograms.

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Source: https://www.legislation.gov.uk/uksi/1994/2867/schedule/part/VI (the official version)
Page: https://openlegislation.uk/units-of-measurement-regulations-1994/schedule/part-VI
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.