Шаблон:Convert/list of units/area

Area
system	unit	code (alternative)	abbreviation	notes	sample default conversion	combinations
SI	square килоmetre	km2	кm2	US spelling: square kilometer	1.0 кm2 (11,000,000 sq ft)	km2 sqmi
	square гектоmetre	hm2	гm2	US spelling: square hectometer	1.0 гm2 (110,000 sq ft)
	square декаmetre	dam2	даm2	US spelling: square dekameter	1.0 даm2 (1,100 sq ft)
	square metre	m2	m2	US spelling: square meter	1.0 m2 (11 sq ft)	m2 sqft
	square детсиmetre	dm2	дm2	US spelling: square decimeter	1.0 дm2 (0.11 sq ft)
	square сантиmetre	cm2	сm2	US spelling: square centimeter	1.0 сm2 (0.0011 sq ft)	cm2 sqin
	square миллиmetre	mm2	мm2	US spelling: square millimeter	1.0 мm2 (1.1×10−5 sq ft)	mm2 sqin
non-SI metric	hectare	ha	ha	equivalent to one square hectometre	1.0 ha (2.5 acres)
Imperial & US customary	square mile	sqmi	sq mi		1.0 sq mi (2.6 кm2)	sqmi km2
	acre	acre	(none)		1.0 acre (0.40 ha)
	square yard	sqyd	sq yd		1.0 sq yd (0.84 m2)
	square foot	sqft (ft2, sqfoot, foot2)	sq ft	long code "sqfoot (foot2)" outputs square foot (and never feet)	1.0 sq ft (0.093 m2)	sqft m2
	square inch	sqin	sq in		1.0 sq in (6.5 сm2)	sqin cm2 sqin mm2
Maritime units	square nautical mile	sqnmi (nmi2)	sq nmi		1.0 sq nmi (3.4 кm2; 1.3 sq mi)
Middle Eastern	dunam	dunam (metric dunam)	(none)	The spellings dunum, donum and dönüm are also acceptable variants. Just replace dunam with the desired spelling in the code. The spelling dönüm also results from using donum diaeresis or donum dots.	1.0 dunam (0.0010 кm2; 0.00039 sq mi)
		Cypriot dunam	Cypriot dunam		1.0 Cypriot dunam
		Iraqi dunam	Iraqi dunam		1.0 Iraqi dunam
		old dunam	old dunam		1.0 old dunam
Japanese	tsubo	tsubo	(none)		1.0 tsubo (3.3 m2)
Korean	pyeong	pyeong	(none)		1.0 pyeong (3.3 m2)
Spanish	cuerda	cda	cda	Spanish acre	1 cuerda (0.39 ha; 0.97 acres)