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Steel Coil Weight Calculator

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Our free online steel coil weight calculator helps professionals in the steel industry quickly and accurately determine the weight of various types of steel coils. Whether you’re working with hot rolled coil, cold rolled coil, galvanized steel coil, stainless steel coil or more, this tool provides instant calculations to streamline your workflow.

Related Tools: Need to calculate steel plate weight? We have a specialized calculator for that too.

Steel Coil Weight Calculator

Professional tool for calculating steel coil weight

mm
Outer diameter must be larger than inner diameter
mm
Inner diameter must be smaller than outer diameter

Common IDs: 508mm (20 inches), 610mm (24 inches)

mm
g/cm³

Select common material densities:

Carbon Steel
Stainless
Galvanized

Calculation Results

Enter values and calculate
Results will appear here

Carbon Steel

7.85 g/cm³

Stainless Steel

7.93 g/cm³

Galvanized

8.05 g/cm³

Aluminum

2.70 g/cm³

How to Calculate Steel Coil Weight

Calculation Formula

Weight (kg) = π × (OD² – ID²) × Width × Density ÷ 4,000,000

Where:
π ≈ 3.1416, OD = Outer Diameter (mm), ID = Inner Diameter (mm)
Width = Coil Width (mm), Density = Material Density (g/cm³)
The constant 4,000,000 comes from unit conversion (mm³ to cm³ to kg)

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