Square metre





Comparison of 1 square metre with some Imperial and metric units of area


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 m2.[1]


Adding and subtracting SI prefixes creates multiples and submultiples; however, as the unit is exponentiated, the quantities grow geometrically by the corresponding power of 10. For example, a kilometre is 103 (a thousand) times the length of a metre, but a square kilometre is 1032 (106, a million) times the area of a square metre, and a cubic kilometre is 1033 (109, a billion) cubic metres.




Contents





  • 1 SI prefixes applied


  • 2 Conversions


  • 3 See also


  • 4 Notes


  • 5 External links




SI prefixes applied


The square metre may be used with all SI prefixes used with the metre.











































































MultiplicationNameSymbol

MultiplicationNameSymbol
100
square metre (centiare)

m2
100
square metre (centiare)

m2
102square decametre (are)dam210−2square decimetredm2
104square hectometre (hectare)hm210−4square centimetrecm2
106square kilometrekm210−6square millimetremm2
1012square megametreMm210−12square micrometreµm2
1018square gigametreGm210−18square nanometrenm2
1024square terametreTm210−24square picometrepm2
1030square petametrePm210−30square femtometrefm2
1036square exametreEm210−36square attometream2
1042square zettametreZm210−42square zeptometrezm2
1048square yottametreYm210−48square yoctometreym2


Conversions


A square metre is equal to:




  • 6994100000000000000♠0.000001 square kilometre (km2)


  • 7004100000000000000♠10000 square centimetres (cm2)


  • 6996100000000000000♠0.0001 hectares (ha)


  • 6997100000000000000♠0.001 decares (daa)


  • 6998100000000000000♠0.01 ares (a)


  • 6999100000000000000♠0.1 deciares (da)


  • 7000100000000000000♠1 centiare (ca)


  • 6996247105381000000♠0.000247105381 acres


  • 6998247105380000000♠0.024710538 cents


  • 7000119599000000000♠1.195990 square yards


  • 7001107639110000000♠10.763911 square feet


  • 7003155000310000000♠1550.0031 square inches



See also


  • Conversion of units § Area

  • Orders of magnitude (area)

  • SI

  • SI prefix


Notes




  1. ^ David R. Lide, ed. (2010), "INTERNATIONAL SYSTEM OF UNITS", CRC Handbook of Chemistry and Physics (90th ed.).mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em




External links



  • BIPM (SI maintenance agency) (home page)


  • BIPM brochure (SI reference)


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