Area
Square metres, cubic metres
 
1 a . Square metre.

The  base unit of area is the square metre.
The square metre is the area of a square whose sides measure exactly one metre.
1 b . Multiples and submultiples of the square metre.

You have to bear in mind that area units are squares. The conversion of a unit into another one is done by dividing or multiplying both the length and the width, that is dividing and multiplying by ten twice; in other words, dividing and multiplying by 100.

  unit definition equals symbol
multiples square kilometre A square whose sides measure one kilometre 1000000 m2 km2
square hectometre A square whose sides measure one hectometre 10000 m2 hm2
square decametre A square whose sides measure one decametre 100 m2 dam2
base unit
 square metre A square whose sides measure one metre   m2
submultiples square decimetre A square whose sides measure one decimetre 0.01 m2 dm2
square centimetre A square whose sides measure one centimetre 0.0001 m2 cm2
square millimetre  A square whose sides measure one millimetre 0.000001 m2 mm2
  Esta unidad interactiva requiere la máquina virtual de Java J2RE.

 

Here you see the representation of the square decimetre, the square centimetre and the square millimetre. You can move the square centimetre and the square millimetre.

- How many square centimetres fit in a square decimetre?

- How many square millimetres fit in a square centimetre?

- How many square millimetres fit in a square decimetre?
         
           
  Eduardo Barbero Corral
 
Spanish Ministry of Education. Year 2007
 
 

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