The weight of the MS plate is very significant for the planning of material, handling, transport, and estimation of the project. The requirements and the plate depend on How much material you need depends on the plate’s size, thickness, and grade. This guide is designed to be easy to understand and show how MS plate weight is calculated. It also includes common size/ thickness of plates, handy weight charts, and the theoretical versus actual weight difference. It doesn’t matter if you’re a fabricator, a buyer, a site engineer or a supplier, these details can help you to estimate the material you need more easily and to make better-informed decisions when buying and planning a project.
MS Plate Weight Calculator in kg
Use this dynamic ms plate weight calculator to get accurate theoretical weight estimates in kilograms and metric tonnes for mild steel and other common metal plates. All calculations use a standard base density of mild steel of 7,850 kg/m³.
Steel Plate Weight Calculator
Formula: Length × Width × Thickness × Density (kg/m³) × Quantity. Typical density values are used; actual weight may vary with mill tolerance.
MS Plate Weight Calculator
| Category | Parameter / Metric | Value |
| Inputs | Dimensions (L × W × T) | 2000 mm × 1000 mm × 10 mm |
| Inputs | Material Grade & Density | Mild Steel (7850 kg/m³) |
| Geometry | Calculated Volume (per piece) | 0.020000 m³ |
| Metrics | Area Weight Ratio | 78.50 kg/m² |
| Results | Single Piece Weight | 157.00 kg |
| Inputs | Quantity | 1 pcs |
| Results | Total Weight (Kilograms) | 157.00 kg |
| Results | Total Weight (Metric Tonnes) | 0.157 T |
MS Plate Weight Formula: How to Calculate Mild Steel Plate Weight
The foundation of every steel calculation is the basic volumetric mass relationship: Weight = Volume × Density. For mild steel plate weight calculations, standard industry specifications fix the density at 7,850 kg/m³ (or 7.85 g/cm³).
MS PLATE WEIGHT CHART
1. The Standard Base Formula (Meters)
Weight (kg) = Length (m) × Width (m) × Thickness (m) × 7850 kg/m³
2. The Millimetre Shortcut Formula
Because shop drawings and mill cut sheets specify dimensions in millimetres, converting every measurement to metres can cause decimal errors. Use this simplified formula:
Weight (kg) = [Length (mm) × Width (mm) × Thickness (mm) × 7.85] / 1,000,000
Note: The division by 1,000,000 accounts for converting cubic millimetres to cubic metres while incorporating the 7.85 kg/m³ density factor.
3. The Square Metre Rule of Thumb
For fast mental math on job sites, remember that 1 mm of mild steel plate thickness equals exactly 7.85 kg per m².
Weight (kg/m²) = Thickness (mm) × 7.85
4. Imperial Formula (Inches & Pounds)
Weight (lb) = Length (in) × Width (in) × Thickness (in) × 0.2836 lb/in³
Weight (lb/ft²) ≈ Thickness (in) × 40.8
MS Plate Weight Examples by Size
| Plate Specifications | Calculation Method & Working | Theoretical Weight |
| 2,000 × 1,000 × 10 mm | 2m1m0.010m7,850kg/m3 | 157.00 kg |
| 2,500 × 1,250 × 6 mm | (2,5001,25067.85)/1,000,000 | 147.19 kg |
| 3,000 × 1,500 × 12 mm | (3,0001,500127.85)/1,000,000 | 423.90 kg |
| 25 pieces of 2,500 × 1,250 × 6 mm | 147.19kg25pieces=3,679.7kg | 3.68 Tonnes |
| 4 × 8 ft × 1/4 in (48 × 96 × 0.25 in) | 48in96in0.25in0.2836lb/in3=326.7lb | 148.19 kg |
| Cost Estimate Illustration (147.19 kg) | 147.19kgINR60/kg | ~ INR 8,831 |
MS Plate Weight Chart: kg per m² and per Sheet
| Thickness (mm) | Weight (kg per m²) | Weight (kg per ft²) |
| 1.6 | 12.56 | 1.17 |
| 2.0 | 15.70 | 1.46 |
| 3.0 | 23.55 | 2.19 |
| 4.0 | 31.40 | 2.92 |
| 5.0 | 39.25 | 3.65 |
| 6.0 | 47.10 | 4.38 |
| 8.0 | 62.80 | 5.83 |
| 10.0 | 78.50 | 7.29 |
| 12.0 | 94.20 | 8.75 |
| 16.0 | 125.60 | 11.67 |
| 20.0 | 157.00 | 14.59 |
| 25.0 | 196.25 | 18.23 |
| 32.0 | 251.20 | 23.34 |
| 40.0 | 314.00 | 29.17 |
| 50.0 | 392.50 | 36.46 |
| 60.0 | 471.00 | 43.76 |
| 75.0 | 588.75 | 54.70 |
| 100.0 | 785.00 | 72.93 |
Weight per Single Plate for Common Trade Sizes (kg)
| Thickness (mm) | 1,250 × 2,500 mm (4 × 8 ft approx.) | 1,500 × 3,000 mm (5 × 10 ft approx.) | 2,000 × 6,000 mm (6.5 × 20 ft approx.) |
| 1.6 | 39.2 | 56.5 | 150.7 |
| 2.0 | 49.1 | 70.6 | 188.4 |
| 3.0 | 73.6 | 106.0 | 282.6 |
| 4.0 | 98.1 | 141.3 | 376.8 |
| 5.0 | 122.7 | 176.6 | 471.0 |
| 6.0 | 147.2 | 211.9 | 565.2 |
| 8.0 | 196.2 | 282.6 | 753.6 |
| 10.0 | 245.3 | 353.2 | 942.0 |
| 12.0 | 294.4 | 423.9 | 1,130.4 |
| 16.0 | 392.5 | 565.2 | 1,507.2 |
| 20.0 | 490.6 | 706.5 | 1,884.0 |
| 25.0 | 613.3 | 883.1 | 2,355.0 |
| 32.0 | 785.0 | 1,130.4 | 3,014.4 |
| 40.0 | 981.2 | 1,413.0 | 3,768.0 |
| 50.0 | 1,226.6 | 1,766.2 | 4,710.0 |
Weight by Width (kg per Running Metre Length)
| Thickness (mm) | Width 1,250 mm | Width 1,500 mm | Width 2,000 mm |
| 6.0 | 58.9 kg/m | 70.6 kg/m | 94.2 kg/m |
| 8.0 | 78.5 kg/m | 94.2 kg/m | 125.6 kg/m |
| 10.0 | 98.1 kg/m | 117.8 kg/m | 157.0 kg/m |
| 12.0 | 117.7 kg/m | 141.3 kg/m | 188.4 kg/m |
| 16.0 | 157.0 kg/m | 188.4 kg/m | 251.2 kg/m |
| 20.0 | 196.2 kg/m | 235.5 kg/m | 314.0 kg/m |
| 25.0 | 245.3 kg/m | 294.4 kg/m | 392.5 kg/m |
Manufacturers' Standard Gauge Conversion Table (Steel Sheet)
| Gauge No. | Thickness (in) | Thickness (mm) | Unit Weight (kg per m²) |
| 7 | 0.1793 | 4.55 | 35.8 |
| 8 | 0.1644 | 4.18 | 32.8 |
| 10 | 0.1345 | 3.42 | 26.8 |
| 12 | 0.1046 | 2.66 | 20.9 |
| 14 | 0.0747 | 1.90 | 14.9 |
| 16 | 0.0598 | 1.52 | 11.9 |
| 18 | 0.0478 | 1.21 | 9.5 |
| 20 | 0.0359 | 0.91 | 7.2 |
| 22 | 0.0299 | 0.76 | 6.0 |
| 24 | 0.0239 | 0.61 | 4.8 |
MS Plate Grades: Does Grade Change the Weight?
A common question among estimators is whether structural grade affects total plate weight. Steel grade does not change plate weight. Altering carbon content or alloying additions shifts yield strength and tensile properties, but has a negligible impact on physical density.
Standard Mild Steel Grade Designations
| Region / Standard | Common Grade Designations | Density (kg/m³) |
| India (BIS) | IS 2062 (E250 Grade A, B, C / E300 / E350) | 7,850 |
| United States (ASTM) | ASTM A36 | 7,850 |
| Europe (EN) | EN 10025-2 (S235JR / S275JR / S355JR) | 7,850 |
| Japan (JIS) | JIS G3101 SS400 | 7,850 |
Ordering Carbon Steel Products from Solitaire Overseas
Solitaire Overseas is a premier ISO-certified manufacturer, exporter, and stockist based in Mumbai, India. We supply premium carbon steel products, high-pressure carbon steel pipes, and specialty alloy plates globally. Every shipment includes certified mill test certificates detailing verified physical and chemical analysis.
Conclusion
Calculating mild steel plate mass requires only three physical dimensions and the standard mild steel density of 7,850kg/m3. Whether you rely on our interactive ms plate weight calculator, our quick unit conversion charts, or manual hand calculations, verifying theoretical weights ensures accurate project costing, safe rigging, and efficient freight management. Need reliable material supply or specialized project pricing? Reach out to Solitaire Overseas to request a quote for your upcoming structural steel requirements.
Frequently Asked Questions
What is the formula for MS plate weight?
MS plate weight is calculated using Length × Width × Thickness × Density of MS.
How do I calculate MS plate weight in kg?
Multiply the plate's length, width, thickness, and material density to get the weight in kg.
How much does a 10 mm MS plate weigh per square metre?
A 10 mm MS plate weighs about 78.5 kg per square metre.
What is the weight of a 4 x 8 ft MS plate?
The weight of a 4 × 8 ft MS plate depends on its thickness. A thicker plate will weigh more.
Is the weight the same for IS 2062, ASTM A36 and other MS grades?
For weight calculations, common mild steel grades have nearly the same density, so their calculated weight is generally similar.
What is the difference between MS plate and MS sheet weight?
MS plates and sheets have similar density. Their weight mainly differs based on their size and thickness.
Is calculated weight the same as the weight I will be invoiced for?
Not always. Calculated weight is theoretical, while invoiced weight may be based on the actual measured weight.
Can I use the same calculator for stainless steel or Corten plate?
Yes, but you need to use the correct density for the material because different metals have different densities.
