## Hi guys today i am going to explain you How to calculate weight of mild steel bar.

WEIGHT OF STEEL BAR = volume x density M.S STEEL BAR

so
VOLUME  of ms steel bar = A x H

Where      A = Area of steel

H = height/Length of steel bar

here we have to find out unit weight of steel for 1 meter length/Height

D = 8mm⇒ r = 0.004 meter

L/H= 1 meter

VOLUME OF STEEL =  𝝿r²H

Volume of steel bar =  3.14 X (0.004)² X 1

V =0.00005024  M³
Density of steel = 7850 kg/m³

WEIGHT OF STEEL BAR = volume x density

W = 0.00005024 X 7850

W = 0.395kg

Given formula can be use to find out unit weight of steel

unit weight of steel = D²/162

D = Dia of steel in mm

we have D = 8mm
so
unit weight of steel = (8 x 8)/162

= 0.395 kg
THIS IS FOR UNIT WEIGHT

NOTE
if we have different different length of bar so we can use

formula  W = D²L/162

D = dia of bar in mm

L= length of bar in METE

IF Length of bar is 5 Meter
D = 20 mm
so
WEIGHT OD STEEL BAR
= [(20 X 20) X 5}/162

W = 12.34 KG

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