Template:Convert/list of units/area
From Self-sufficiency
| Area | ||||||
|---|---|---|---|---|---|---|
| system | unit | code (alternative) |
abbreviation | notes | conversion factor/m2 | combinations |
| SI | square kilometre | km2 | km2 | US spelling: square kilometer |
1,000,000 |
|
| square hectometre | hm2 | hm² | US spelling: square hectometer |
10,000 | ||
| square decametre | dam2 | dam² | US spelling: square dekameter |
100 | ||
| square metre | m2 | m2 | US spelling: square meter |
1 |
| |
| square decimetre | dm2 | dm2 | US spelling: square decimeter |
0.01 | ||
| square centimetre | cm2 | cm2 | US spelling: square centimeter |
0.0001 |
| |
| square millimetre | mm2 | mm² | US spelling: square millimeter |
0.000001 |
| |
| non-SI metric | hectare | ha | ha | equivalent to one square hectometre | 10,000 | |
| Imperial & US customary
|
square mile | sqmi | sq mi | 2,589,988.110336 |
| |
| acre | acre | 4,046.856422 | ||||
| square yard | sqyd | sq yd | 0.83612736 |
| ||
| square foot | sqft (ft2, sqfoot, foot2) |
sq ft | The sqfoot (foot2) code will produce square foot as the plural form. | 0.09290304 |
| |
| square inch | sqin | sq in | 0.00064516 |
| ||
| Maritime units | square nautical mile | sqnmi (nmi2) | sq nmi | 3,429,904 | ||
| Middle Eastern | dunam | dunam (metric dunam) | The spellings dunum, donum and dönüm are also acceptable variants. Just replace dunam with the desired spelling in the code. Note that the spelling dönüm is also it is also possible using donum diaeresis or donum dots. | 1,000 | ||
| Cypriot dunam | 1337.803776 | |||||
| Iraqi dunam | 2500 | |||||
| old dunam | 919.3 | |||||
| Japanese | tsubo | tsubo | (400/121) | |||
| Korean | pyeong | pyeong | (400/121) | |||
