Square metre
The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the SI derived unit of area with symbol m^{2}.^{[1]}
Comparison of 1 square metre with some Imperial and metric units of area
Adding and subtracting SI prefixes creates multiples and submultiples; however, as the unit is exponentiated, the quantities grow exponentially by the corresponding power of 10. For example, 1 kilometre is 10^{3} (one thousand) times the length of 1 metre, but 1 square kilometre is (10^{3})^{2} (10^{6}, one million) times the area of 1 square metre, and 1 cubic kilometre is (10^{3})^{3} (10^{9}, one billion) cubic metres.
Contents
SI prefixes applied
The square metre may be used with all SI prefixes used with the metre.
Multiplication | Name | Symbol | Multiplication | Name | Symbol | |
---|---|---|---|---|---|---|
10^{0} | square metre (centiare) | m^{2} | 10^{0} | square metre (centiare) | m^{2} | |
10^{2} | square decametre (are) | dam^{2} | 10^{−2} | square decimetre | dm^{2} | |
10^{4} | square hectometre (hectare) | hm^{2} | 10^{−4} | square centimetre | cm^{2} | |
10^{6} | square kilometre | km^{2} | 10^{−6} | square millimetre | mm^{2} | |
10^{12} | square megametre | Mm^{2} | 10^{−12} | square micrometre | µm^{2} | |
10^{18} | square gigametre | Gm^{2} | 10^{−18} | square nanometre | nm^{2} | |
10^{24} | square terametre | Tm^{2} | 10^{−24} | square picometre | pm^{2} | |
10^{30} | square petametre | Pm^{2} | 10^{−30} | square femtometre | fm^{2} | |
10^{36} | square exametre | Em^{2} | 10^{−36} | square attometre | am^{2} | |
10^{42} | square zettametre | Zm^{2} | 10^{−42} | square zeptometre | zm^{2} | |
10^{48} | square yottametre | Ym^{2} | 10^{−48} | square yoctometre | ym^{2} |
Unicode characters
Symbol | Name | Unicode number |
---|---|---|
㎡ | Square metre (Square M Squared) | U+33A1 |
㎢ | Square kilometre (Square KM Squared) | U+33A2 |
㍸ | Square decimetre (Square DM Squared) | U+3378 |
㎠ | Square centimetre (Square CM Squared) | U+33A0 |
㎟ | Square millimetre (Square MM Squared) | U+339F |
Conversions
One square metre is equal to:
- 0.000001 square kilometre (km^{2})
- 10000 square centimetres (cm^{2})
- 0.0001 hectares (ha)
- 0.001 decares (daa)
- 0.01 ares (a)
- 0.1 deciares (da)
- 1 centiare (ca)
- 0.000247105381 acres
- 0.024710538 cents
- 1.195990 square yards
- 10.763911 square feet
- 1550.0031 square inches
See also
Notes
- ^ David R. Lide, ed. (2010), "INTERNATIONAL SYSTEM OF UNITS", CRC Handbook of Chemistry and Physics (90th ed.)
- ^ Unicode Consortium (2019). "The Unicode Standard 12.0 – CJK Compatibility ❰ Range: 3300—33FF ❱" (PDF). Unicode.org. Retrieved May 24, 2019.
External links
- BIPM (SI maintenance agency) (home page)
- BIPM brochure (SI reference)
Source
Information as of: 10.08.2021 11:08:51 CEST
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