Weights and Measures Act 1985

Part VIU.K. Definitions of Certain Units Which May Not be Used for Trade

Measurement of length

Furlong =220 yards.
Chain =22 yards.

Measurement of area

Square mile =640 acres.
Rood =1210 square yards.
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.
Fluid drachm =1/8 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 =1/8 ounce apothecaries.
Scruple =1/3 drachm.
Metric ton =1000 kilograms.
Quintal =100 kilograms.