inch - centemetre, gallon - ?

LITRE
List of words for the clue inch - centemetre, gallon - ? from the crossword:
UNIT MILE KILOMETRE KILOGRAM HECTARE MIL PICA PINTS PINT QUART PER TUNS STETSON SHAMU QTS KEG HAT TRENT TAPIN
WordClue
ACRElitre - gallon, hectare - ?
INCHlitre - gallon, centemetre - ?
MILEcentemetre - inch, kilometre - ?
UNITinch or minute
YARDlitre - gallon, metre - ?
CORPSmilitary unit size
CURIEnon-SI unit of radioactivity
FARADunit of capacitance
HERTZSI unit for frequency
METREgallon - litre, yard - ?
MONTHunit of time dividing the year
OUNCEunit of mass
PENNYunit of currency in various countries
POUNDlitre - gallon, kilogram - ?
QUARTunit of volume
GALLONkilometre - mile, litre - ?
HECTAREinch - centemetre, acre - ?
KILOGRAMinch - centemetre, pound - ?
KILOMETREinch - centemetre, mile - ?
CENTEMETREgallon - litre, inch - ?
HECTAREinch - centemetre, acre - ?
KILOMETREinch - centemetre, mile - ?