Capacity

1 cu inch            =   16.387 cm3      
1 cu foot            =   1728 cu inc     =   0.0283 m3
1 cu yard           =   27 cu feet        =   0.7646 m3
1 pint                 =   4 gills              =   0.5683 litre
1 quart               =   2 pints            =   1.1365 litres
1 imperial gallon =   8 pints            =   4.5461 litres
1 bushel             =   8 gallons         =  36.369 litres

Apothecaries

1 fluid ounce     =    8 fl drams       =   28.413 cm3
1 pint               =     20 fl ounces    =   568.26 cm3