Answer Posted / mohsin uddin jafri

The standard formula for calculating the weight of a steel
rod of any Diameter is {[(D^2)/(162)]*L}.

Where; D is diameter of Rod
L is length of Rod whose weight is to be
calculated.

Ususlly L doesnt come but putting L in formula is very
useful for calculating the weight of total length of a bar.

If in formula L doesnt come than the weight of the rod is
of one meter length.

For Example:

To calculate the weight of 8 mm dia bar of 1 meter length.

={(D^2)/(162)*L}
={(8^2)/(162)*1}
={(64)/(162)*1}
={0.4*1}
=0.4 kg

Similarly calculate the weight of bar of any Diameter.

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