Calculate Weight of Steel rebar from length – 8,10,12,16, 20mm..
Steel rebars are available in different diameters like 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, etc.., In this article, I am going to show you a simple method to calculate the weight of steel rebar from its length (meter and foot) with some examples. In the end, I will also give you a list that contains the weight of all steel rebar per meter and foot.
The calculations given below are valid for all steel rods like TMT, CMT, mild steel, etc..,
Case 1
If the length of the rebar is in meter and the diameter of rebar is in mm, the weight of steel rebar W = (D2/162) * L
i.e., Weight of steel reinforcement= (Diameter square/162) * Length
Case 2
If the length of the rebar is in feet and the diameter is in mm, the weight of steel reinforcement W = (D2/533) * L
Examples
Let’s find the weight of TMT steel rod of length 1 meter @ 8mm dia
Weight of 1 meter @ 8mm steel rod = (82/162) * 1 = 0.395 kg
Weight of 12 meter @ 8mm steel bar = (82/162) * 12 = 4.74 kg
Weight of 40 feet @ 8mm steel bar = (82/533) * 12 = 4.80 kg
Weight of 1 meter @ 10mm steel rod = (102/162) * 1 = 0.617 kg
Weight of 12 meter @ 10mm steel bar = (82/162) * 12 = 7.407 kg
WEIGHT OF STEEL REBAR FROM LENGTH
Mostly, Steel rebars like TMT are supplied in the length of 12 meters or in 40 feet.
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