# Rebar Weight Per Piece | Calculation of Rod or Steel Bar Weight Per Piece

### 1. Introduction

Rebar also known as rod or steel bar is a short form of reinforcing bar, it is steel wire given as tension bar in concrete structure, utilized in a reinforced concrete structure such as column, beam, and slabs of house construction, and is also utilized in a reinforced masonry structure. It is utilized to raise the tensile strength of the concrete structures.

Steel bars surface is twisted with ribs to provide a better bonding with concrete material and decrease the risk of slippage. The mostly used rebar is a carbon steel of hot rolled round bar, the Steel rebar is coated with epoxy resin material, made to withstand the effect of corrosion majorly in a saltwater environment.

Different countries in the world made their own graduation, specification of steel, and record of measurement for reinforcing bars. The rebar is measured differently in the United States and Europe. While the United States utilizes the imperial measurement system. Europe and most of the rest of the world use the metric system and calculated it in mm.

### 2. Rebar Weight Per Piece

To calculate steel rod weight for 1 piece, use the formula D2L/162 to calculate weight or mass for 1 piece rod in kg, where D is the diameter of steel rod and L is the full length, and numerical figure 162 is the thumb rule number which is derived.

For example, 8 mm steel rod weight per piece = D2L/162,

(82×12) ÷ 162 =  4.74 kg, hence 4.74 kg is the weight of 8 mm steel rod per piece.

 Weight of Rod per Piece Size Full Length Weight/piece 6 mm 12 m 2.66 kg 8 mm 12 m 4.74 kg 10 mm 12 m 7.407 kg 12 mm 12 m 10.667 kg 16 mm 12 m 18.96 kg 20 mm 12 m 29.63 kg 25 mm 12 m 46.32 kg 32 mm 12 m 75.84 kg

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