## Steel Weight calculation formula

The steel weight calculation formula is:

**Weight (kg) = Sectional Area (mm2) × Length (m) × Density (ρ, g/cm3)× 1/1000**

Above is the formula to calculate the steel weight in kg.

For the metal density, you can also refer to:

- Density Table of Metals (Iron, Steel, Brass, Aluminum) and Alloys
- Density Table for Commonly Used Sheet Metal Materials

P.S.: In the following section, among all the formulas for calculating the weight of steel, two types, I beam steel and H beam steel, have not been mentioned.

If you are interested in learning the difference between H beam steel and I beam steel, and the methods for calculating their weight, you can check out the following two quick links:

## Steel weight calculator & Metal weight calculator

To assist you in calculating the weight of various metals and steels, including MS plate, GI sheet, structural steel, MS angle, mild steel, steel bar, square tube, angle, and aluminum, we have created a Steel Weight Calculator and Metal Weight Calculator to help you determine the weight of metals in different shapes.

## Steel & Metal Weight Calculation Formula

### Steel Plate weight calculation formula

• Formula: length(m)×width(m)×thickness(mm)×7.85

• E.g: 6m (length)×1.51m(width)×9.75mm (thickness)

• Calculation: 6×1.51×9.75×7.85=693.43kg

### Steel Pipe weight calculation formula

• Formula: (OD-wall thickness)×wall thickness(mm)×length(m)×0.02466

• E.g: 114mm(OD)×4mm(wall thickness)×6m(length)

• Calculation: (114-4)×4×6×0.02466=65.102kg

### Steel Rod weight calculation formula

• Formula: dia.(mm)×dia.(mm)×length(m)×0.00617

• E.g: Φ20mm (dia.)×6m(length)

• Calculation: 20×20×6×0.00617=14.808kg

### Square Steel weight calculation formula

• Formula: side width(mm)×side width(mm)×length(m)×0.00785

• E.g: 50mm(side width)×6m(length)

• Calculation: 50×50×6×0.00785=117.75(kg)

### Flat Steel weight calculation formula

• Formula: side width(mm)×thickness(mm)×length(m)×0.00785

• E.g: 50mm(side width)×5.0mm(thickness)×6m(length)

• Calculation: 50×5×6×0.00785=11.775(kg)

### Hexagonal Steel weight calculation formula

• Formula: side-to-side dia.×side-to-side dia.× length(m)×0.0068

• E.g: 50mm(dia.)×6m (length)

• Calculation: 50×50×6×0.0068=102(kg)

### Rebar weight calculation formula

• Formula: dia.mm×dia.mm×length(m)×0.00617

• E.g: Φ20mm(dia.)×12m(length)

• Calculation: 20×20×12×0.00617=29.616kg

### Flat Steel Tube weight calculation formula

• Formula: (side length+side width)×2×thickness×length(m)×0.00785

• E.g: 100mm×50mm×5mm(thickness)×6m (length)

• Calculation: (100+50)×2×5×6×0.00785=70.65kg

### Rectangular Steel Tube weight calculation formula

• Formula: side width(mm)×4×thickness×length(m)×0.00785

• E.g: 50mm×5mm (thickness)×6m(length)

• Calculation: 50×4×5×6×0.00785=47.1kg

### Equal-leg Angle Steel weight calculation formula

• Formula: (side width×2-thickness)×thickness×length(m)×0.00785

• E.g: 50mm×50mm×5(thickness)×6m(length)

• Calculation: (50×2-5)×5×6×0.00785=22.37kg

### Unequal-leg Angle Steel weight calculation formula

• Formula: (side width+side width-thickness)×thickness×length(m)×0.0076

• E.g: 100mm×80mm×8(thickness)×6m(length)

• Calculation: (100+80-8)×8×6×0.0076=62.746kg

### Brass Pipe weight calculation formula

• Formula: (OD-wall thickness)×thickness(mm)×length(m)×0.0267

### Copper Pipe weight calculation formula

• Formula: (OD-wall thickness)×thickness(mm)×length(m)×0.02796

### Aluminum Checkered Sheet weight calculation formula

• Formula: length(m)×width(mm)×thickness (mm)×0.00296

### Brass Pipe weight calculation formula

• Formula: thickness(mm)×(O.D-thickness)×length(m)×0.0267

### Copper Sheet weight calculation formula

• Formula: length(m)×width(mm)×thickness(mm)×0.0089

### Zinc Plate weight calculation formula

• Formula: length(m)×width(mm)×thickness(mm)×0.0072

### Lead Sheet weight calculation formula

• Formula: length(m)×width(mm)×thickness(mm)×0.01137

### Octagonal Steel weight calculation formula

• Formula: length(m)×across width(mm)×across width(mm)×0.0065

### Copper Rod weight calculation formula

• Formula: dia.(mm)×dia.(mm)×length(m)×0.00698

**Brass Rod weight calculation formula**

• Formula: dia.(mm)×dia.(mm)×length(m)×0.00668

### Aluminum Rod weight calculation formula

• Formula: dia.(mm)×dia.(mm)×length(m)×0.0022

### Square Copper Rod weight calculation formula

• Formula: width(mm)×width(mm)×length(m)×0.0089

### Square Brass Rod weight calculation formula

• Formula: width(mm)×width(mm)×length(m)×0.0085

### Square Aluminum Rod weight calculation formula

• Formula: width(mm)×width(mm)×length(m)×0.0028

### Hexagonal Copper Rod weight calculation formula

• Formula: across width(mm)×across width(mm)×length(m)×0.0077

**Hexagonal Brass Rod weight calculation formula**

• Formula: width(mm)×across width(mm)×length(m)×0.00736

### Hexagonal Aluminum Rod weight calculation formula

• Formula: across width(mm)×across width(mm)×length(m)×0.00242

### Aluminum Plate weight calculation formula

• Formula: thickness(mm)×width(mm)×length(m)×0.00171

### Aluminum Pipe weight calculation formula

• Formula: thickness(mm)×(O.D(mm)-thickness(mm))×length(m)×0.00879

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