metre - yard, litre - ?

GALLON
List of words for the clue metre - yard, litre - ? from the crossword:
ACRE POUND KILOGRAM METER FOOT INCH TIME M HECTARE PETROL STERE RETAIL MILE MAGNUM LITER L KILOMETRE CENTEMETRE PROSODY
WordClue
ACREmetre - yard, hectare - ?
INCHlitre - gallon, centemetre - ?
MILElitre - gallon, kilometre - ?
YARDlitre - gallon, metre - ?
LITREyard - metre, gallon - ?
METREgallon - litre, yard - ?
POUNDmetre - yard, kilogram - ?
HECTAREyard - metre, acre - ?
HUNDREDFranklin, yard
KILOGRAMyard - metre, pound - ?
KILOMETREgallon - litre, mile - ?
CENTEMETREgallon - litre, inch - ?
POUNDmetre - yard, kilogram - ?
SUBWAYmetro