mile - kilometre, pound - ?

KILOGRAM
List of words for the clue mile - kilometre, pound - ? from the crossword:
ACRE INCH LITRE HECTARE GALLON CENTEMETRE UNIT MARATHON IDAHO PER RATE YARD EMUS TON HALF EZRA KM KLICK KILOMETER
WordClue
ACREkilometre - mile, hectare - ?
INCHkilometre - mile, centemetre - ?
MILEkilogram - pound, kilometre - ?
UNITinch or mile
YARDkilogram - pound, metre - ?
LITREmile - kilometre, gallon - ?
METREpound - kilogram, yard - ?
POUNDkilometre - mile, kilogram - ?
GALLONkilometre - mile, litre - ?
HECTAREmile - kilometre, acre - ?
MARATHON42.195 kilometre road race
STERLINGpound
KILOMETREpound - kilogram, mile - ?
CENTEMETREmile - kilometre, inch - ?
CENTEMETREmile - kilometre, inch - ?
LANDMARKmilestone