# Unit Weight of Steel Bars Used in Building

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Here we will see the steel bar weight of steel bar (rod) 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm diameter per meter, per piece, per per bundle and per feet. See the complete post to know more.

# Unit Weight of Steel Bars Used in Building

The weight of steel bar is an important factor to know before purchasing it. During the construction work we know the requirements of steel with diameter and the number of steel bars. So, before purchasing we need some raw data estimation for expanse purpose and transportation purpose mainly. See the bellow details about steel bar weight.

## Weight of Steel Bars (Rod) "Per Meter" of Size 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm

The following formula is used to calculate the weight of steel per meter.
• Steel bar (rod) weight per meter is calculated as "D²/162",
• Where D is the diameter of steel bar (rod) in mm, and
• 162 is a numerical value used as thumb rule and the result in kg per meter.

### Weight of 8 mm Steel Bars (Rod) Per Meter

The weight of 8 mm steel bar (rod) per meter is 8²/162 = 0.395 kg. (i.e. 0.395 kg/m)
As per IS code the weight can vary ±7 %, it means the weight of 8 mm steel bar (rod) per meter should be in between 0.367 kg to 0.423 kg.

### Weight of 10 mm Steel Bars (Rod) Per Meter

The weight of 10 mm steel bar (rod) per meter is 10²/162 = 0.617 kg. (i.e. 0.617 kg/m)
As per IS code the weight can vary ±7 %, it means the weight of 10 mm steel bar (rod) per meter should be in between 0.574 kg to 0.660 kg.

### Weight of 12 mm Steel Bars (Rod) Per Meter

The weight of 12 mm steel bar (rod) per meter is 12²/162 = 0.888 kg. (i.e. 0.888 kg/m)
As per IS code the weight can vary ±5 %, it means the weight of 12 mm steel bar (rod) per meter should be in between 0.8436 kg to 0.932 kg.

### Weight of 16 mm Steel Bars (Rod) Per Meter

The weight of 16 mm steel bar (rod) per meter is 16²/162 = 1.580 kg. (i.e. 1.58 kg/m)
As per IS code the weight can vary ±5 %, it means the weight of 16 mm steel bar (rod) per meter should be in between 1.501 kg to 1.659 kg.

### Weight of 20 mm Steel Bars (Rod) Per Meter

The weight of 20 mm steel bar (rod) per meter is 20²/162 = 2.47 kg. (i.e. 2.47 kg/m)
As per IS code the weight can vary ±3 %, it means the weight of 20 mm steel bar (rod) per meter should be in between 2.40 kg to 2.54 kg.

### Weight of 25 mm Steel Bars (Rod) Per Meter

The weight of 25 mm steel bar (rod) per meter is 25²/162 = 3.86 kg. (i.e. 3.86 kg/m)
As per IS code the weight can vary ±3 %, it means the weight of 25 mm steel bar (rod) per meter should be in between 3.74 kg to 3.98 kg.

## Weight of Steel Bars (Rod) "Per Piece" of Size 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm

The following formula is used to calculate the weight of steel per piece.
• Length of one piece of steel bar is 12 meter or 40 feet,
• Steel bar (rod) weight per piece is calculated as "(D² × L)/162",
• Where D is the diameter of steel bar (rod) in mm,
• L is the length of steel bar (rod) in meter,
• 162 is a numerical value used as thumb rule and the result in kg per piece.

### Weight of 8 mm Steel Bars (Rod) Per Piece

The weight of 8 mm steel bar (rod) per piece is (8² × 12)/162 = 4.741 kg. (i.e. 4.741 kg/piece)
As per IS code the weight can vary ±7 %, it means the weight of 8 mm steel bar (rod) per piece should be in between 4.409 kg to 5.073 kg.

### Weight of 10 mm Steel Bars (Rod) Per Piece

The weight of 10 mm steel bar (rod) per piece is (10² × 12)/162 = 7.407 kg. (i.e. 7.407 kg/piece)
As per IS code the weight can vary ±7 %, it means the weight of 10 mm steel bar (rod) per piece should be in between 6.889 kg to 7.925 kg.

### Weight of 12 mm Steel Bars (Rod) Per Piece

The weight of 12 mm steel bar (rod) per piece is (12² × 12)/162 = 10.667 kg. (i.e. 10.667 kg/piece)
As per IS code the weight can vary ±5 %, it means the weight of 12 mm steel bar (rod) per piece should be in between 10.134 kg to 11.200 kg.

### Weight of 16 mm Steel Bars (Rod) Per Piece

The weight of 16 mm steel bar (rod) per piece is (16² × 12)/162 = 18.963 kg. (i.e. 18.963 kg/piece)
As per IS code the weight can vary ±5 %, it means the weight of 16 mm steel bar (rod) per piece should be in between 18.015 kg to 19.911 kg.

### Weight of 20 mm Steel Bars (Rod) Per Piece

The weight of 20 mm steel bar (rod) per piece is (20² × 12)/162 = 29.63 kg. (i.e. 29.63 kg/piece)
As per IS code the weight can vary ±3 %, it means the weight of 20 mm steel bar (rod) per piece should be in between 30.52 kg to 28.74 kg.

### Weight of 25 mm Steel Bars (Rod) Per Piece

The weight of 25 mm steel bar (rod) per piece is (25² × 12)/162 = 46.23 kg. (i.e. 46.23 kg/piece)
As per IS code the weight can vary ±3 %, it means the weight of 25 mm steel bar (rod) per piece should be in between 44.84 kg to 47.62 kg.

## Weight of Steel Bars (Rod) "Per Bundle" of Size 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm

The following formula is used to calculate the weight of steel per bundle.
• Length of one piece of steel bar is 12 meter or 40 feet,
• Steel bar (rod) weight per bundle is calculated as "(D² × L × N)/162",
• Where D is the diameter of steel bar (rod) in mm,
• L is the length of steel bar (rod) in meter,
• 162 is a numerical value used as thumb rule and the result in kg per bundle.

### Weight of 8 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 8 mm steel is 10 nos.
The weight of 8 mm steel bar (rod) per piece is (8² × 12 × 10)/162 = 47.407 kg. (i.e. 47.407 kg/bundle)
As per IS code the weight can vary ±7 %, it means the weight of 8 mm steel bar (rod) per bundle should be in between 42.666 kg to 52.148 kg.

### Weight of 10 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 10 mm steel is 7 nos.
The weight of 10 mm steel bar (rod) per piece is (10² × 12 × 7)/162 = 51.85 kg. (i.e. 51.85 kg/bundle)
As per IS code the weight can vary ±7 %, it means the weight of 10 mm steel bar (rod) per bundle should be in between 48.222 kg to 55.482 kg.

### Weight of 12 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 12 mm steel is 5 nos.
The weight of 12 mm steel bar (rod) per piece is (12² × 12 × 5)/162 = 53.333 kg. (i.e. 53.333 kg/bundle)
As per IS code the weight can vary ±5 %, it means the weight of 12 mm steel bar (rod) per bundle should be in between 50.666 kg to 56.000 kg.

### Weight of 16 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 16 mm steel is 3 nos.
The weight of 16 mm steel bar (rod) per piece is (16² × 12 × 3)/162 = 56.889 kg. (i.e. 56.889 kg/bundle)
As per IS code the weight can vary ±5 %, it means the weight of 16 mm steel bar (rod) per bundle should be in between 54.045 kg to 59.733 kg.

### Weight of 20 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 20 mm steel is 2 nos.
The weight of 20 mm steel bar (rod) per piece is (20² × 12 × 2)/162 = 59.23 kg. (i.e. 59.23 kg/bundle)
As per IS code the weight can vary ±3 %, it means the weight of 20 mm steel bar (rod) per bundle should be in between 57.45 kg to 71.31 kg.

### Weight of 25 mm Steel Bars (Rod) Per Bundle

Number of bars or rods in a bundle of 25 mm steel is 1 nos.
The weight of 25 mm steel bar (rod) per piece is (25² × 12 × 1)/162 = 46.23 kg. (i.e. 46.23 kg/bundle)
As per IS code the weight can vary ±3 %, it means the weight of 25 mm steel bar (rod) per piece should be in between 44.84 kg to 47.62 kg.

## Weight of Steel Bars (Rod) "Per Feet" of Size 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm

The following formula is used to calculate the weight of steel per feet.
• Steel bar (rod) weight per feet is calculated as "D²/533",
• Where D is the diameter of steel bar (rod) in mm,
• 533 is a numerical value used as thumb rule and the result in kg per feet.

### Weight of 8 mm Steel Bars (Rod) Per Feet

The weight of 8 mm steel bar (rod) per feet is 8²/533 = 0.120 kg. (i.e. 0.120 kg/feet)
As per IS code the weight can vary ±7 %, it means the weight of 8 mm steel bar (rod) per feet should be in between 0.112 kg to 0.129 kg.

### Weight of 10 mm Steel Bars (Rod) Per Feet

The weight of 10 mm steel bar (rod) per feet is 10²/533 = 0.188 kg. (i.e. 0.188 kg/feet)
As per IS code the weight can vary ±7 %, it means the weight of 10 mm steel bar (rod) per feet should be in between 0.175 kg to 0.201 kg.

### Weight of 12 mm Steel Bars (Rod) Per Feet

The weight of 12 mm steel bar (rod) per feet is 12²/533 = 0.270 kg. (i.e. 0.270 kg/feet)
As per IS code the weight can vary ±5 %, it means the weight of 12 mm steel bar (rod) per feet should be in between 0.257 kg to 0.284 kg.

### Weight of 16 mm Steel Bars (Rod) Per Feet

The weight of 16 mm steel bar (rod) per feet is 16²/533 = 0.480 kg. (i.e. 0.480 kg/feet)
As per IS code the weight can vary ±5 %, it means the weight of 16 mm steel bar (rod) per feet should be in between 0.456 kg to 0.504 kg.

### Weight of 20 mm Steel Bars (Rod) Per Feet

The weight of 20 mm steel bar (rod) per feet is 20²/533 = 0.75 kg. (i.e. 0.75 kg/feet)
As per IS code the weight can vary ±3 %, it means the weight of 20 mm steel bar (rod) per feet should be in between 0.77 kg to 0.73 kg.

### Weight of 25 mm Steel Bars (Rod) Per Feet

The weight of 25 mm steel bar (rod) per feet is 25²/533 = 1.17 kg. (i.e. 1.17 kg/feet)
As per IS code the weight can vary ±3 %, it means the weight of 25 mm steel bar (rod) per feet should be in between 1.13 kg to 1.21 kg.