Convert area

From: [m2]
To: [acre]
Abbreviation Unit 1 Base Unit
m2 square metre 1
acre acre 4046.872609874252
b barn 1E-28
cm2 square centimetre 0.0001
ft2 square foot 0.09290304
ha hectare 10000
in2 square inch 0.00064516
km2 square kilometre 1000000
mi2 square mile 2589998.470319521
mi[US]2 square US survey mile 2589998.470319521
mm2 square millimetre 1E-06
section section 2589998.470319521
um2 square micrometre 1E-12
yd2 square yard 0.83612736
dm2 square decimeter 0.010000000000000002
are are 100