0.91m

YARD
WordClue
ACREmetre - yard, hectare - ?
LITREyard - metre, gallon - ?
METREpound - kilogram, yard - ?
POUNDmetre - yard, kilogram - ?
GALLONmetre - yard, litre - ?
HECTAREyard - metre, acre - ?
HUNDREDFranklin, yard
KILOGRAMyard - metre, pound - ?
SMITH... & Wesson, firearm
MILLION1,000,000