Metal Plate & Sheet Weight Calculator
Calculate weight of rectangular & circular plates, MS sheets and shims — any size, any material
Unit Weight
23.550 kg
Material
Mild Steel
Est. Cost
₹1,460.10
@ ₹62/kg
Density
7,850 kg/m³
Indicative market rate as of 16 Sept 2026, excluding 18% GST and freight. Actual prices vary by city, brand and quantity.
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📐 Plate Weight Formula
W = L × W × T × ρ
L = Length · W = Width · T = Thickness · ρ = Density
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How to Calculate Plate Weight?
Plate weight is the simplest calculation: Weight = Length × Width × Thickness × Density. All dimensions must be in the same unit (this calculator converts mm to meters internally).
A standard MS plate of 1000mm × 500mm × 6mm weighs approximately 23.55 kg. For the common 1250×2500mm sheet (≈ 4×8 feet, 3.125 m²) in 6mm thickness, the weight is about 147.19 kg.
The same formula works for any material — just change the density. Stainless Steel 304 uses 7930 kg/m³ (about 1% heavier than MS), while Aluminium 6061 uses 2700 kg/m³ (roughly one-third the weight of steel). Select your material above and the calculator handles the density automatically.
Circle Plate Weight Formula
For circular plates (round discs, flanges, blanks): Weight = π/4 × Diameter² × Thickness × Density. For example, a 300mm diameter × 10mm thick MS circle plate weighs 5.55 kg.
MS Plate Weight Chart (per sq. meter)
Standard MS Plate Sizes Available in India
MS plates in India are manufactured and stocked in standard sheet sizes. Knowing these sizes helps you plan material procurement and minimize cutting waste. The most common sizes available at steel dealers and stockyards are listed below.
| Size (mm) | Size (feet) | Thickness Range | Typical Use |
|---|---|---|---|
| 1250 × 2500 | 4′ × 8′ | 1.6mm – 50mm | Most common — fabrication, shuttering, general work |
| 1500 × 3000 | 5′ × 10′ | 3mm – 80mm | Structural, boiler, pressure vessel |
| 1500 × 6000 | 5′ × 20′ | 6mm – 120mm | Heavy structural, shipbuilding, bridges |
| 2000 × 6000 | 6.5′ × 20′ | 8mm – 150mm | Large fabrication, heavy equipment base plates |
| 1220 × 2440 | 4′ × 8′ | 0.5mm – 3mm | Thin sheets — roofing, ducting, auto body panels |
Thickness ranges above are typical stockist ranges and vary by mill. Plates up to about 5–6mm are often called "sheets" in the Indian market. Above 6mm, they are referred to as "plates." The 1250×2500mm (4×8 feet) size is the most commonly stocked and readily available at local steel shops.
Plate vs Sheet vs Shim — What's the Difference?
Plate refers to flat steel products with a thickness of 6mm and above. Plates are used in structural applications — base plates, gusset plates, stiffeners, and heavy fabrication. They are typically hot-rolled and supplied in cut-to-size pieces or standard sheet sizes. Common grades in India are IS 2062 E250 (general structural use) and, for boilers and pressure vessels, IS 2002 or ASME SA 516 Grade 70.
Sheet refers to flat steel products thinner than 6mm, typically ranging from 0.5mm to 5mm. Sheets are used for roofing, cladding, ducting, auto body panels, and light fabrication. They can be hot-rolled (HR) or cold-rolled (CR). Cold-rolled sheets have a smoother surface finish and tighter thickness tolerances, making them suitable for visible or precision applications.
Shim refers to very thin precision-ground flat stock, typically 0.05mm to 2mm thick. Shims are used for alignment, spacing, and leveling in machinery installation. They are available in MS, SS, brass, and aluminium. Shim weight is calculated using the same L × W × T × ρ formula — just enter the exact thickness in mm.
The weight formula is identical for all three — the only difference is the thickness value. This calculator works for any thickness from 0.01mm foil to 200mm heavy plate.
Chequered Plate (Checker Plate) Weight Calculation
Chequered plates (also called checker plates, diamond plates, or tear drop plates) have a raised pattern on one surface that provides anti-slip grip. They are widely used for staircase treads, platform flooring, truck bed linings, and industrial walkways.
The raised pattern adds extra material on top of the base plate thickness. Because the pattern height is roughly the same whatever the base thickness, the extra weight is closer to a fixed 2–3 kg per m² than a fixed percentage (so it is ~10% on a 3mm plate but only ~2.5% on a 12mm plate). Chequered plates in India are made to IS 3502.
To estimate chequered plate weight, calculate the plain plate weight for the base thickness and add about 2–3 kg per m² of plate area. For example, a 6mm plate is 47.10 kg/m² plain; published nominal weight for 6mm chequered plate is about 50.1 kg/m². Pattern type (diamond, teardrop) and mill also change the figure — use the mill chart for billing.
| Base Thickness | Plain Wt/m² (kg) | Chequered Wt/m² (approx) |
|---|---|---|
| 3mm | 23.55 | 25.6 – 26.6 |
| 5mm | 39.25 | 41.3 – 42.3 |
| 6mm | 47.10 | 49.1 – 50.1 |
| 8mm | 62.80 | 64.8 – 65.8 |
| 10mm | 78.50 | 80.5 – 81.5 |
| 12mm | 94.20 | 96.2 – 97.2 |
Circle Plate & Flange Blank Weight Guide
Circular plates are used extensively in industrial fabrication for flanges, end caps, blanking plates, base plates for columns, and pressure vessel heads. They are typically flame-cut or laser-cut from standard rectangular plates.
The weight of a circle plate is calculated as: Weight = π/4 × D² × T × Density. A circular plate always weighs approximately 78.54% of a square plate with sides equal to the circle's diameter (because π/4 ≈ 0.7854). This ratio is useful for quick mental estimation.
For ring-shaped flanges (with a center hole), calculate the weight of the outer disc and subtract the weight of the inner hole disc. For example, a flange with 300mm OD, 150mm ID, and 20mm thickness: Outer disc weight − Inner disc weight = 11.10 kg − 2.78 kg = 8.32 kg.
Switch to the Circle Plate tab in the calculator above and enter the diameter and thickness to get instant results. For ring flanges, calculate outer and inner separately and subtract manually.