Back Аквадраттә метр Abkhazian Vierkante meter Afrikaans Quadratmeter ALS متر مربع Arabic متر مربع ARZ Metru cuadráu AST Kvadrat metr Azerbaijani متر موربع AZB Quadratmeta BAR Квадратны метр Byelorussian
| Square metre | |
|---|---|
 Visualization of a square metre | |
| General information | |
| Unit system | SI |
| Unit of | area |
| Symbol | m2 |
The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m2.[1] It is the area of a square with sides one metre in length.
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 103 (one thousand) times the length of 1 metre, but 1 square kilometre is (103)2 (106, one million) times the area of 1 square metre, and 1 cubic kilometre is (103)3 (109, one billion) cubic metres.
- ^ David R. Lide, ed. (2010), "INTERNATIONAL SYSTEM OF UNITS", CRC Handbook of Chemistry and Physics (90th ed.)
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