| Square Metre |
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made of PVC pipe.]] The square Metre (also spelled '''meter''', see Spelling Differences ) is the SI Derived Unit of Area , with symbol m&2. It is defined as the area of a Square whose sides measure exactly one metre. The square metre is derived from the SI Base Unit of the Metre , which in turn is defined as the Length of the path travelled by Light in absolute Vacuum during a Time interval of of a Second . Adding SI Prefix es creates multiples and submultiples; however, as the unit is squared, the Order Of Magnitude difference between units doubles from their comparable linear units. For example, a Kilometre is one thousand times the length of a metre, but a square kilometre is one million times the area of a square metre. SI PREFIXES APPLIED TO THE SQUARE METRE The square metre may be used with all SI prefixes used with the metre. CONVERSIONS A square metre is equal to:
SEE ALSO EXTERNAL LINKS
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