i m searching for steel or rebar weight/meter (d)2/162 this is
correct but why used here 162

Answer Posted / harish chakravarthi

Unit wt of steel = 7850 kg/cum
W=(7850*pi/4*d^2/1000^2)
W=d^2*(7850*3.14/4*1000*1000)
W=d^2/162.27

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