litre - gallon, kilogram - ?

POUND

List of words for the clue litre - gallon, kilogram - ? from the crossword:

UNIT LITER PETROL YARD MILE METRE KILOMETRE INCH CENTEMETRE ACRE TONNES MASS RETAIL MAGNUM L PINTS PINT QUART TUNS

Word	Clue
ACRE	litre - gallon, hectare - ?
INCH	litre - gallon, centemetre - ?
MASS	second - time, kilogram - ?
MILE	litre - gallon, kilometre - ?
TIME	kilogram - mass, second - ?
UNIT	kilogram or gallon
YARD	litre - gallon, metre - ?
LITRE	pound - kilogram, gallon - ?
METER	mass - kilogram, distance - ?
METRE	gallon - litre, yard - ?
PENNY	unit of currency in various countries
QUART	unit of volume
GALLON	kilogram - pound, litre - ?
SECOND	mass - kilogram, time - ?
HECTARE	pound - kilogram, acre - ?
DISTANCE	kilogram - mass, meter - ?
KILOGRAM	gallon - litre, pound - ?
STERLING	pound
KILOMETRE	gallon - litre, mile - ?
CENTEMETRE	gallon - litre, inch - ?
ACRE	litre - gallon, hectare - ?
MILE	litre - gallon, kilometre - ?