Calculate Weight of Steel rebar from length – 8,10,12,16, 20mm..

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 you can use to calculate the weight of steel rebar from its length (meter and foot). I will also give you an example and the list of weight of all steel rebar per meter and feet. The calculations given below are valid for all steel rods like TMT, CMT, mild steel, etc..,

If the length of the rebar is in meter and you want to find weight in kg, the weight of steel rebar W = (D²/162) * L

Weight of steel reinforcement= (Diameter square/162) * Length

Here the weight is in kg, the diameter is in mm and the length is in the meter.

If the length of the rebar is in feet and you want to find weight in kg, the weight of steel rebar W = (D²/533) * L

Let’s find the weight of 8mm TMT steel rod of 1 meter in kilogram

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 40 feet

DIAMETER	WEIGHT PER METER	WEIGHT OF 12 METER STEEL REBAR
8mm	0.395 kg	4.740 kg
10mm	0.617 kg	7.407 kg
12mm	0.889 kg	10.667 kg
16mm	1.580 kg	18.962 kg
20mm	2.469 kg	29.630 kg
25mm	3.858 kg	46.296 kg
32mm	6.321 kg	75.852 kg

Er.SP.ASWINPALANIAPPAN., M.E.,(Strut/.,)

Structural Engineer

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