**HOW TO CALCULATE WEIGHT OF STEEL BARS**

**(D)**

^{2}/162.5Is the formula to calculate the weight of steel bars in KG/ Meter

So weight of 8 mm bar will be,

**(8 x 8) / 162.5 = 0.39 kg/ meter**

similarly, the weight of bars will be as follows,

**Unit weight of steel is d square/162. How is it derived?**

To be accurate

**W= D**it is^{2}/162.2Its is derived from the very basic concept

**I.E., weight = density x volume**

it is also can be written as weight = density x (area x length)

since,

1] density of steel= 7850 kg/m

^{3}> (7850/(1000X1000X1000) kg/mm2] Length= 1 m

3] Area = Ï€(pi) x d

^{2}/ 4Unit Weight of Steel Bar (in Kgs) = (3.14 X D^2)/4 X 1000 X 7850 / (1000 X 1000 X 1000)

**Therefore, weight = (7850 x (3.14/4) d**

^{2}x 1000) / (10^{9})= d

^{2}x 0.00616225*which is also can be written as,*=(d

^{2}/1) x (0.00616225/1)= d

^{2}/ (1/162.2)**=d**

^{2}/162.2**LCET**

**ED**

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