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Area units calculator & converter tool




Conversion of 4 mm2 (Square milimeter) to km2 (Square Kilometer)


4 mm2 is equivalent to 4.0E-12 km2 (Square Kilometer)

Mm2 Conversions Table


Equivalent of 4 mm2 (Square milimeter):

4.0E-6 m2 (Square meter)
0.04 cm2 (Square centimeter)
0.0004 dm2 (Square decimeter)
4.0E-12 km2 (Square Kilometer)
4.0E-10 Hectare
4.0E-8 Are
4.0E-9 Decare
4.0E-6 Centiare
1.17002E-9 Arpent
0.004 Barn
4.30556E-5 Square feet
9.8842E-10 Acre
1.581476E-7 Square perche
1.5444E-12 Square mil
4.78396E-6 Square yard
0.006200018510385 Square inch
4.292E-14 Canton
6.176E-12 Homestead
3.9536E-9 Rood

Mm2 / Km2 Units Definition


mm2 (Square milimeter)
Unit of area measurement equal to a square with a side of one millimeter. Abbreviations: mm2, mm².
km2 (Square Kilometer)
The square kilometer (km2) is a unit of measurement of area. One square kilometer is equal to the area of a square whose sides measure one kilometer.

Area units conversion


  • m2 <--> cm2
  • m2 <--> dm2
  • m2 <--> mm2
  • m2 <--> km2
  • m2 <--> hectare
  • m2 <--> are
  • m2 <--> decare
  • m2 <--> centiare
  • m2 <--> arpent
  • m2 <--> barn
  • m2 <--> feet2
  • m2 <--> acre
  • m2 <--> perche2
  • m2 <--> mille2
  • m2 <--> yard2
  • m2 <--> pouce2
  • m2 <--> canton
  • m2 <--> homestead
  • m2 <--> rood
  • cm2 <--> dm2
  • cm2 <--> mm2
  • cm2 <--> km2
  • cm2 <--> hectare
  • cm2 <--> are
  • cm2 <--> decare
  • cm2 <--> centiare
  • cm2 <--> arpent
  • cm2 <--> barn
  • cm2 <--> feet2
  • cm2 <--> acre
  • cm2 <--> perche2
  • cm2 <--> mille2
  • cm2 <--> yard2
  • cm2 <--> pouce2
  • cm2 <--> canton
  • cm2 <--> homestead
  • cm2 <--> rood
  • dm2 <--> mm2
  • dm2 <--> km2
  • dm2 <--> hectare
  • dm2 <--> are
  • dm2 <--> decare
  • dm2 <--> centiare
  • dm2 <--> arpent
  • dm2 <--> barn
  • dm2 <--> feet2
  • dm2 <--> acre
  • dm2 <--> perche2
  • dm2 <--> mille2
  • dm2 <--> yard2
  • dm2 <--> pouce2
  • dm2 <--> canton
  • dm2 <--> homestead
  • dm2 <--> rood
  • mm2 <--> km2
  • mm2 <--> hectare
  • mm2 <--> are
  • mm2 <--> decare
  • mm2 <--> centiare
  • mm2 <--> arpent
  • mm2 <--> barn
  • mm2 <--> feet2
  • mm2 <--> acre
  • mm2 <--> perche2
  • mm2 <--> mille2
  • mm2 <--> yard2
  • mm2 <--> pouce2
  • mm2 <--> canton
  • mm2 <--> homestead
  • mm2 <--> rood
  • km2 <--> hectare
  • km2 <--> are
  • km2 <--> decare
  • km2 <--> centiare
  • km2 <--> arpent
  • km2 <--> barn
  • km2 <--> feet2
  • km2 <--> acre
  • km2 <--> perche2
  • km2 <--> mille2
  • km2 <--> yard2
  • km2 <--> pouce2
  • km2 <--> canton
  • km2 <--> homestead
  • km2 <--> rood
  • hectare <--> are
  • hectare <--> decare
  • hectare <--> centiare
  • hectare <--> arpent
  • hectare <--> barn
  • hectare <--> feet2
  • hectare <--> acre
  • hectare <--> perche2
  • hectare <--> mille2
  • hectare <--> yard2
  • hectare <--> pouce2
  • hectare <--> canton
  • hectare <--> homestead
  • hectare <--> rood
  • are <--> decare
  • are <--> centiare
  • are <--> arpent
  • are <--> barn
  • are <--> feet2
  • are <--> acre
  • are <--> perche2
  • are <--> mille2
  • are <--> yard2
  • are <--> pouce2
  • are <--> canton
  • are <--> homestead
  • are <--> rood
  • decare <--> centiare
  • decare <--> arpent
  • decare <--> barn
  • decare <--> feet2
  • decare <--> acre
  • decare <--> perche2
  • decare <--> mille2
  • decare <--> yard2
  • decare <--> pouce2
  • decare <--> canton
  • decare <--> homestead
  • decare <--> rood
  • centiare <--> arpent
  • centiare <--> barn
  • centiare <--> feet2
  • centiare <--> acre
  • centiare <--> perche2
  • centiare <--> mille2
  • centiare <--> yard2
  • centiare <--> pouce2
  • centiare <--> canton
  • centiare <--> homestead
  • centiare <--> rood
  • arpent <--> barn
  • arpent <--> feet2
  • arpent <--> acre
  • arpent <--> perche2
  • arpent <--> mille2
  • arpent <--> yard2
  • arpent <--> pouce2
  • arpent <--> canton
  • arpent <--> homestead
  • arpent <--> rood
  • barn <--> feet2
  • barn <--> acre
  • barn <--> perche2
  • barn <--> mille2
  • barn <--> yard2
  • barn <--> pouce2
  • barn <--> canton
  • barn <--> homestead
  • barn <--> rood
  • feet2 <--> acre
  • feet2 <--> perche2
  • feet2 <--> mille2
  • feet2 <--> yard2
  • feet2 <--> pouce2
  • feet2 <--> canton
  • feet2 <--> homestead
  • feet2 <--> rood
  • acre <--> perche2
  • acre <--> mille2
  • acre <--> yard2
  • acre <--> pouce2
  • acre <--> canton
  • acre <--> homestead
  • acre <--> rood
  • perche2 <--> mille2
  • perche2 <--> yard2
  • perche2 <--> pouce2
  • perche2 <--> canton
  • perche2 <--> homestead
  • perche2 <--> rood
  • mille2 <--> yard2
  • mille2 <--> pouce2
  • mille2 <--> canton
  • mille2 <--> homestead
  • mille2 <--> rood
  • yard2 <--> pouce2
  • yard2 <--> canton
  • yard2 <--> homestead
  • yard2 <--> rood
  • pouce2 <--> canton
  • pouce2 <--> homestead
  • pouce2 <--> rood
  • canton <--> homestead
  • canton <--> rood
  • homestead <--> rood