GENERAL  CONVERSION TABLES        

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»  AREA (พื้นที่)  
  cm2 m2 are hectare km2
cm2 1 10-4  10-6  10-8  10-10 
m2 10000 1 10-2  10-4  10-6 
are 106  100 1 10-2  10-4 
hectare 108  10000 100 1 10-2 
km2 1010  106  10000 100 1
inch2 6.4516 6.4516x10-4 6.4516x10-6 6.4516x10-8 6.4516x10-10
foot2 929.03 9.2903x10-2 9.2903x10-4 9.2903x10-6 9.2903x10-8
yard2 8.36127 8.36127x10-1 8.36127x10-3 8.36127x10-5 8.36127x10-7
mile2 2.589x1010 2.589x106 25899.9 258.999 2.58999
acre 4.046x107 4046.86 40.4686 4.04686x10-1

4.04686x10-3

           

 

inch2 foot2 yard2 mile2 acre
cm2 1.55x10-1 1.076x10-3 1.196x10-4 3.861x10-11 2.471x10-8
m2 1550 10.7639 1.19599 3.861x10-7 2.471x10-4
are 155000 1076.39 119599 3.861x10-5 2.471x10-2
hectare 1.55x107 107639 11959.9 3.861x10-3 2.47105
km2 1.55x109 1.076x107 1.196x106 3.861x10-1 247.105
inch2 1 6.944x10-3 7.716x10-4 2.491x10-10 1.594x10-7
foot2 144 1 1.1111x10-1 3.587x10-8 2.295x10-5
yard2 1296 9 1 3.228x10-7 2.066x10-4
mile2 4.014x109 1.787x107 2.0976x106 1 640

acre

6.272x106 43560 4840 1.5625x10-3 1


SI unit - square meter (m2)
to convert from : to: multiply by:
square miles m2 2.59x106
acre m2 4047
hectare (ha) m2 104
km2 (sq.km) m2 106 
cm2 m2 10-4 
mm2 m2 10-6 
yd2 m2 0.8361
ft2 m2 9.29x10-2 
in2 m2 6.45x10-4
mil2 m2 6.45x10-10

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