hectare - acre, metre - ?

YARD
List of words for the clue hectare - acre, metre - ? from the crossword:
ROO ARE METER POUND GALLON STERE LITRE FOOT ROOD AREA MILE KILOMETRE INCH CENTEMETRE TEACHER ACRES EEYORE ROODS TIME
WordClue
ACREmetre - yard, hectare - ?
INCHhectare - acre, centemetre - ?
MILEhectare - acre, kilometre - ?
LITREyard - metre, gallon - ?
METREacre - hectare, yard - ?
POUNDhectare - acre, kilogram - ?
GALLONhectare - acre, litre - ?
FOREVERDiamonds Are ... (film)
HECTAREyard - metre, acre - ?
HUNDREDFranklin, yard
SAWMILLwhere logs are cut
STADIUMvenue where sporting events are held
DIAMONDSAre Forever (film)
KILOGRAMyard - metre, pound - ?
KILOMETREacre - hectare, mile - ?
CENTEMETREacre - hectare, inch - ?
GREENHOUSEbuilding in which plants are grown
GALLONhectare - acre, litre - ?
BERLIOZHector, composer