Template:Convert/list of units/area/short list

AREA
(Full list)
system unit unit-
code
abbrev-
iation
notes conversion factor/m2 combinations
SI square kilometre km2 km2 US spelling: square kilometer
1,000,000
  • km2 sqmi
square metre m2 m2 US spelling: square meter
1
  • m2 sqft
square centimetre cm2 cm2 US spelling: square centimeter
0.0001
  • cm2 sqin
square millimetre mm2 mm2 US spelling: square millimeter
0.000001
  • mm2 sqin
non-SI metric hectare ha ha 10,000
Imperial
&
US customary
square mile sqmi sq mi 2,589,988.110336
  • sqmi km2
acre acre (none) 4,046.856422
square yard sqyd sq yd 0.83612736
square foot sqft
(sqfoot)
sq ft code "sqfoot" will show "square foot" if plural.

code "sqfoot" will show "foot" or "feet" depending on value.

0.09290304
  • sqft m2 (sqfoot m2)
square inch sqin sq in 0.00064516
  • sqin cm2
Other square nautical mile sqnmi sq nmi 3,429,904
dunam dunam (none) For alternative spellings and definitions see the full list 1,000
tsubo tsubo (none) (400/121)