Answer Posted / hassan bin mohsin

By using this formula be get weight of bar ( D^2/162.2 ) using for 1 meter of a bar for an example :
6mm=6×6/162.2= 0.221 kg/m
8mm =0.39 kg/m
10mm=0.62 kg/m
12mm=0.88 kg/m
16mm=1.58 kg/m
20mm=2.47 kg/m
25mm=3.85 kg/m

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