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Steel plate weight calculator

Enter length, width and thickness (mm) to get the weight per plate, kg/m² and total area. Works for carbon steel, stainless, aluminium and copper.

m (kg) = L × W × T × 7.85 / 10⁶

Steel plate weight calculator

Enter dimensions in mm.

Theoretical weight from nominal dimensions, excluding rolling tolerance and cutting loss. Hot rolled plate is usually slightly thicker than nominal, so it may weigh a bit more.

Steel plate weight formula

Weight = length × width × thickness × density. With dimensions in mm and carbon steel at 7850 kg/m³:

QuantityFormulasUnit
Weight of 1 plateL × W × T × 7.85 / 10⁶kg
Weight per m²7.85 × Tkg/m²

Steel plate weight by thickness

Thickness (mm)kg/m²Plate 1500×6000 (kg)Plate 2000×6000 (kg)
215.7141.3188.4
323.55211.9282.6
431.4282.6376.8
539.25353.2471
647.1423.9565.2
862.8565.2753.6
1078.5706.5942
1294.2847.81 130.4
14109.9989.11 318.8
16125.61 130.41 507.2
201571 4131 884
25196.251 766.22 355
30235.52 119.52 826
403142 8263 768
50392.53 532.54 710

Frequently asked questions

How much does 10 mm steel plate weigh per m²?

7.85 × 10 = 78.5 kg/m². A 1500 × 6000 × 10 mm plate weighs 706.5 kg.

How much does 1 m² of 5 mm steel plate weigh?

7.85 × 5 = 39.25 kg/m².

How much does a 1250 × 2500 × 3 mm steel sheet weigh?

1250 × 2500 × 3 × 7.85 / 10⁶ ≈ 73.6 kg.

How much does a 2 mm stainless 304 sheet, 1219 × 2438, weigh?

Using 7930 kg/m³ for stainless 304: 1219 × 2438 × 2 × 7.93 / 10⁶ ≈ 47.1 kg.