MS Plate Weight Calculator: Easy Tool for Steel Fabrication Projects
The calculator multiplies plate length × width × thickness to obtain volume, then multiplies by mild-steel density (7,850 kg/m³) to get weight. A 2,500 mm × 1,250 mm × 6 mm plate weighs about 147 kg (324 lb) (EngineeringToolbox.com).
MS Plate Weight Calculator
Weight of MS Plate:
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How to use the tool
Enter the length – e.g., 1,000 mm or 48 in.
Select the length unit (mm, cm, m, inches, or feet).
Enter the width – e.g., 1,500 mm or 5 ft.
Select the width unit to match your entry.
Enter the thickness – e.g., 8 mm or 0.3 in.
Select the thickness unit.
Press “Calculate”; the tool shows weight in kilograms and pounds.
Density of mild steel: 7 850 kg/m³ (EngineeringToolbox.com).
Common plate widths: 1.2 – 1.5 m (ISO 7452).
Thickness range stocked: 1.6 – 100 mm (EN 10029).
Weight tolerance: ±4 % for <10 mm plates (ASTM A6/A6M-22).
Average global price: $0.75–0.90 per kg, Q2 2023 (SteelBenchmarker Report).
FAQ
What is mild-steel density?
Standard design uses 7 850 kg/m³, verified by “Steel—Physical Properties” (EngineeringToolbox.com).
Can I change the density for stainless steel?
Yes. Substitute 8 000 kg/m³ for austenitic stainless grades per EN 10088-1 data.
Does thickness affect weight linearly?
Weight rises in direct proportion to thickness because volume increases linearly with that dimension (Shigley, 2020).
How accurate is the calculator?
The result is within ±1 % when dimensions are measured to the nearest millimetre; plate rolling tolerances govern the rest (ASTM A6/A6M-22).
Why convert all units to metres?
Using a single unit avoids rounding errors and matches SI formulas recommended by ISO 80000-1.
What size limits apply?
Input up to 20 m length, 5 m width, and 0.1 m thickness—the typical maximum mill-rolled plate size (SSAB DataSheet).
How do I estimate shipping weight?
Multiply the computed kilograms by 2.20462 to get pounds; “1 kg = 2.20462 lb” (NIST, 2020).
Is this tool mobile-friendly?
It loads responsively in any modern browser; no installation required.
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