WEIGHT OF ROD PER METER LENGTH:-

weight of the bar per meter length (kg/m) :

weight per meter = D²/162.
Example 8mm dia bar = 8²/162 = 0.395 Kg/m.

Note :

1) Length of a Standard bar is 12 m.

2) Standard Diameter of Reinforcement Bars in mm: 6,8,10,12,16,20,25,28,32,36,40.