Template:Convert/list of units/area
Area | ||||||
---|---|---|---|---|---|---|
system | unit | code (alternative) |
abbreviation | notes | conversion factor/m2 | combinations |
SI | square kilometre | km2 | km2 | US spelling: square kilometer |
1.0 km2 (0.39 sq mi) |
|
square hectometre | hm2 | hm2 | US spelling: square hectometer |
1.0 hm2 (2.5 acres) | ||
square decametre | dam2 | dam2 | US spelling: square dekameter |
1.0 dam2 (1,100 sq ft) | ||
square metre | m2 | m2 | US spelling: square meter |
1.0 m2 (11 sq ft) |
| |
square decimetre | dm2 | dm2 | US spelling: square decimeter |
1.0 dm2 (16 sq in) | ||
square centimetre | cm2 | cm2 | US spelling: square centimeter |
1.0 cm2 (0.16 sq in) |
| |
square millimetre | mm2 | mm2 | US spelling: square millimeter |
1.0 mm2 (0.0016 sq in) |
| |
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 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 (sqfoot, foot2) | sq ft | code "sqft" will show "square feet" if plural. code "sqft" will show "foot" or "feet" depending on value. |
1.0 sq ft (0.093 m2) |
| |
square inch | sqin | sq in | 1.0 sq in (6.5 cm2) |
| ||
Maritime units | square nautical mile | sqnmi (nmi2) | sq nmi | 1.0 sq nmi (3.4 km2; 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 km2; 0.00039 sq mi) |
|
Cypriot dunam | (none) | 1.0 dunam (0.0013 km2; 0.00052 sq mi) | ||||
Iraqi dunam | (none) | 1.0 dunam (0.0025 km2; 0.00097 sq mi) | ||||
old dunam | (none) | 1.0 dunam (0.00092 km2; 0.00035 sq mi) | ||||
Japanese | tsubo | tsubo | (none) | 1.0 tsubo (3.3 m2) | ||
Korean | pyeong | pyeong | (none) | 1.0 pyeong (3.3 m2) |