What is this blog post about?
At the time of buying steel bars, calculation of unit weight of steel bars is a most important thing. Because in most cases civil engineers or contractors recommend to buy steel bars in pieces, bundles or in tons. In most cases, the estimation of steel bars are calculated in tons and also sometimes dealer sell steel bars at per kg or per ton rate.
This blog post helps you to get the exact result of the searches unit weight of steel bar or steel bar weight per meter. You can find here the unit weight of all sizes steel bars particularly.
Few Important Points about TMT Steel Bar
- TMT steel bars are supplied in U bent or straight rods.
- Standard length of TMT steel bar (any size) is 12 meter or 40 feet.
- As per IS 1786:2008 the tolerance of TMT steel bars should adhere as per IS guideline.
- TMT steel bars are manufactured in different diameters: 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 28 mm, 32 mm.
- Weight of TMT steel bars can be explained in Kilogram or Quintal or Ton, where
1 Quintal = 100 kg ‖ 1 Ton = 1000 kg
Just scroll down and learn how to calculate the unit weight of steel bars of any size (diameter).
The unit weight of 8mm, 10mm, 12mm, 16mm, 20mm, 25mm steel bars are given below and also the formula to derive the unit weight of steel bars given.
Unit Weight of Steel Bars
The unit weight of steel bar is the weight of a steel bar of one meter length in kg. For example, the standard weight of 8mm steel bar of 1 meter length is 0.395 kg. So the unit weight of 8mm steel bar is 0.395 kg.
Unit Weight of Steel Bars: Formula
There is a formula to calculate the unit weight of any size TMT steel bars. It is D²/162, where D is the size (diameter) of the TMT steel bar and the result is given in kg.
Unit Weight of Steel Bars: Calculation
Unit weight of steel bars is calculated by the formula D²/162, where D is the size (diameter) of the TMT steel bar. For example, unit weight of 8mm steel bar is 8²/162 kg = 0.395 kg.
Unit Weight of 6mm Steel Bar Weight Per Meter
Unit weight of 6mm steel bar is 0.222 kg with a tolerance of ±7% (as per IS: 1786). So the weight of 6mm steel bar is 0.222 kg per meter and 0.0676 kg per foot.
Unit Weight of 8mm Steel Bar Weight Per Meter
Unit weight of 8mm steel bar is 0.395 kg with a tolerance of ±7% (as per IS: 1786). So the weight of 8mm steel bar is 0.395 kg per meter and 0.120 kg per foot.
Unit Weight of 10mm Steel Bar Weight Per Meter
Unit weight of 10mm steel bar is 0.617 kg with a tolerance of ±7% (as per IS: 1786). So the weight of 10mm steel bar is 0.617 kg per meter and 0.188 kg per foot.
Unit Weight of 12mm Steel Bar Weight Per Meter
Unit weight of 12mm steel bar is 0.888 kg with a tolerance of ±5% (as per IS: 1786). So the weight of 12mm steel bar is 0.888 kg per meter and 0.270 kg per foot.
Unit Weight of 16mm Steel Bar Weight Per Meter
Unit weight of 16mm steel bar is 1.58 kg with a tolerance of ±5% (as per IS: 1786). So the weight of 16mm steel bar is 1.58 kg per meter and 0.481 kg per foot.
Unit Weight of 20mm Steel Bar Weight Per Meter
Unit weight of 20mm steel bar is 2.47 kg with a tolerance of ±3% (as per IS: 1786). So the weight of 20mm steel bar is 2.47 kg per meter and 0.753 kg per foot.
Unit Weight of 25mm Steel Bar Weight Per Meter
Unit weight of 25mm steel bar is 3.85 kg with a tolerance of ±3% (as per IS: 1786). So the weight of 25mm steel bar is 3.85 kg per meter and 1.17 kg per foot.
Unit Weight of 28mm Steel Bar Weight Per Meter
Unit weight of 28mm steel bar is 4.83 kg with a tolerance of ±3% (as per IS: 1786). So the weight of 28mm steel bar is 4.83 kg per meter and 1.47 kg per foot.
Unit Weight of 32mm Steel Bar Weight Per Meter
Unit weight of 32mm steel bar is 6.31 kg with a tolerance of ±3% (as per IS: 1786). So the weight of 32mm steel bar is 6.31 kg per meter and 1.92 kg per foot.
Weight of Steel Bars Per Foot
| Size of Steel Bar | Weight (kg/foot) |
|---|---|
| 6 mm Steel Bar Unit Weight | 0.067 Kg (±7%) |
| 8 mm Steel Bar Unit Weight | 0.120 Kg (±7%) |
| 10 mm Steel Bar Unit Weight | 0.188 Kg (±7%) |
| 12 mm Steel Bar Unit Weight | 0.270 Kg (±5%) |
| 16 mm Steel Bar Unit Weight | 0.481 Kg (±5%) |
| 20 mm Steel Bar Unit Weight | 0.753 Kg (±3%) |
| 25 mm Steel Bar Unit Weight | 1.17 Kg (±3%) |
| 28 mm Steel Bar Unit Weight | 1.47 Kg (±3%) |
| 32 mm Steel Bar Unit Weight | 1.92 Kg (±3%) |
Unit Weight of Steel Bar in kg/m as per IS Code
| Size of Steel Bar | Weight (kg/m) |
|---|---|
| 6mm Steel Bar Unit Weight | 0.222 Kg (±7%) |
| 8mm Steel Bar Unit Weight | 0.395 Kg (±7%) |
| 10mm Steel Bar Unit Weight | 0.617 Kg (±7%) |
| 12mm Steel Bar Unit Weight | 0.888 Kg (±5%) |
| 16mm Steel Bar Unit Weight | 1.58 Kg (±5%) |
| 20mm Steel Bar Unit Weight | 2.47 Kg (±3%) |
| 25mm Steel Bar Unit Weight | 3.85 Kg (±3%) |
| 28mm Steel Bar Unit Weight | 4.83 Kg (±3%) |
| 32mm Steel Bar Unit Weight | 6.31 Kg (±3%) |
FAQs
How to calculate unit weight of steel bars?
You can calculate the unit weight of steel bars by formula D²/162. Where D is the size or diameter of the TMT steel bar.
What is the unit weight of 6mm steel bar?
The unit weight of 6mm steel bar is 0.222 kg. Typically, 1 meter long 6mm TMT steel bar weighs between 0.206 kg and 0.238 kg.
What is the unit weight of 8mm steel bar?
The unit weight of 8mm steel bar is 0.395 kg. Typically, 1 meter long 8mm TMT steel bar weighs between 0.367 kg and 0.422 kg.
What is the unit weight of 10mm steel bar?
The unit weight of 10mm steel bar is 0.617 kg. Typically, 1 meter long 10mm TMT steel bar weighs between 0.574 kg and 0.660 kg.
What is the unit weight of 12mm steel bar?
The unit weight of 12mm steel bar is 0.888 kg. Typically, 1 meter long 12mm TMT steel bar weighs between 0.843 kg and 0.932 kg.
What is the unit weight of 16mm steel bar?
The unit weight of 16mm steel bar is 1.58 kg. Typically, 1 meter long 16mm TMT steel bar weighs between 1.50 kg and 1.66 kg.
What is the unit weight of 20mm steel bar?
The unit weight of 20mm steel bar is 2.47 kg. Typically, 1 meter long 20mm TMT steel bar weighs between 2.39 kg and 2.54 kg.
What is the unit weight of 25mm steel bar?
The unit weight of 25mm steel bar is 3.85 kg. Typically, 1 meter long 25mm TMT steel bar weighs between 3.73 kg and 3.96 kg.
What is the unit weight of 28mm steel bar?
The unit weight of 28mm steel bar is 4.83 kg. Typically, 1 meter long 28mm TMT steel bar weighs between 4.68 kg and 4.97 kg.
What is the unit weight of 32mm steel bar?
The unit weight of 32mm steel bar is 6.31 kg. Typically, 1 meter long 32mm TMT steel bar weighs between 6.12 kg and 6.50 kg.
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