How to Calculate Stainless Carbon Alloy Products Theoretical Weight?

Theoretical Metal Weight Calculation Formula
How to Calculate stainless steel weight by yourself

Stainless Steel Pipes

Stainless Steel Round Pipes
Formula: (outer diameter – wall thickness) × wall thickness (mm) × length (m) × 0.02491
E.g.: 114mm (outer diameter) × 4mm (wall thickness) × 6m (length)
Calculation: (114-4) × 4 × 6 × 0.02491 = 83.70 (kg)
* For 316, 316L, 310S, 309S, etc., ratio=0.02507

Stainless Steel Rectangle Pipes
Formula: [(edge length + side width) × 2 /3.14- thickness] × thickness (mm) × length (m) × 0.02491
E.g.: 100mm (edge length) × 50mm (side width) × 5mm (thickness) × 6m (long)
Calculation: [(100+50)×2/3.14-5] ×5×6×0.02491=67.66 (kg)

Stainless Steel Square Pipes
Formula: (side width × 4/3.14- thickness) × thickness × length (m) × 0.02491
E.g.: 50mm (side width) × 5mm (thickness) × 6m (long)
Calculation: (50×4/3.14-5) ×5×6×0.02491 = 43.86kg

Stainless Steel Sheets/Plates

Formula: length (m) × width (m) × thickness (mm) × 7.93
E.g.: 6m (length) × 1.51m (width) × 9.75mm (thickness)
Calculation: 6 × 1.51 × 9.75 × 7.93 = 700.50kg

Stainless Steel Bars

Stainless Steel Round Bars
Formula: Dia(mm)×Dia(mm)×Length(m)×0.00623
E.g.: Φ20mm(Dia.)×6m (Length)
Calculation: 20 × 20 × 6 × 0.00623 = 14.952kg
*For 400 series stainless steel, ratio=0.00609

Stainless Steel Square Bars
Formula: side width (mm) × side width (mm) × length (m) × 0.00793
E.g.: 50mm (side width) × 6m (length)
Calculation: 50 × 50 × 6 × 0.00793 = 118.95 (kg)

Stainless Steel Flat Bars
Formula: side width (mm) × thickness (mm) × length (m) × 0.00793
E.g.: 50mm (side width) × 5.0mm (thickness) × 6m (length)
Calculation: 50 × 5 × 6 × 0.00793 = 11.895 (kg)

Stainless Steel Hexagon Bars
Formula: dia* (mm) × dia* (mm) × length (m) × 0.00686
E.g.: 50mm (diagonal) × 6m (length)
Calculation: 50 × 50 × 6 × 0.00686 = 103.5 (kg)
*dia. means diameter between two adjacent side width.

Stainless Steel Angle Bars

– Stainless Steel Equal-leg Angle Bars
Formula: (side width ×2 – thickness) ×thickness ×length(m) ×0.00793
E.g.: 50mm (side width) ×5mm (thickness) ×6m (length)
Calculation: (50×2-5) ×5×6×0.00793 = 22.60 (kg)

– Stainless Steel Unequal-leg Angle Bars
Formula: (side width + side width – thickness) ×thickness ×length(m) ×0.00793
E.g.: 100mm(side width) × 80mm (side width) × 8 (thickness) × 6m (long)
Calculation: (100+80-8) × 8 × 6 × 0.00793 = 65.47 (kg)

Density (g/cm3)	Stainless Steel Grade
7.93	201, 202, 301, 302, 304, 304L, 305, 321
7.98	309S, 310S, 316Ti, 316, 316L, 347
7.75	405, 410, 420

Stainless Steel Wire or Rod Theoretical calculation formula

Stainless Steel Wire or Rod
Formula: Dia(mm)×Dia(mm)×Length(m)×0.00609 (Grade: 410 420 420j2 430 431)

Formula: Dia(mm)×Dia(mm)×Length(m)×0.00623 (Grade: 301 303 304 316 316L 321)

E.g.: 430 Φ0.1mm(Dia.)x10000m (Length)
Calculation: 0.1 × 0.1 × 10000 × 0.00609 = 14.952kg
*For 400 series stainless steel, ratio=0.609

Stainless Steel Wire Rope Theoretical Calculation Formula

Stainless Steel Wire Rope 1*7,1*19,7*7,7*19,7*37
Formula: Dia(mm)×Dia(mm)×Length(m)×4 Wire Rope Structure (7*7,7*19,7*37)

Formula: Dia(mm)×Dia(mm)×Length(m)×5 Wire Rope Structure(1*7,1*19)

E.g.: 304 7*19 Φ5mm(Dia.)x1000m (Length)
Calculation: 5 × 5 × 1 × 4 = 100kg
*For Weight per kilometre 7×7,7×19,7×37 Ratio:4
*For Weight per kilometre 1×7,1×19 Ratio:5

Aluminum Sheets/Plates Theoretical weight calculation：

Formula: length (m) × width (m) × thickness (mm) × 1.71
E.g.: 6m (length) × 1.5m (width) × 10.0mm (thickness)
Calculation: 6 × 1.5 × 10 × 1.71 = 153.9kg

Aluminum Square/Rectangular Bar Theoretical weight calculation：

Formula: length (m) × width (mm) × width (mm) × 0.0028
E.g.: 6m (length) × 10.0m (width) × 10.0mm (width)
Calculation: 6 × 10 × 10 × 0.0028 = 1.68 kg

Aluminum Round Bar Theoretical weight calculation：

Formula: length (m) × Diameter (mm) × Diameter (mm) × 0.0022
E.g.: 6m (length) × 10.0m (Diameter) × 10.0mm (Diameter)
Calculation: 6 × 10 × 10 × 0.0022 = 1.32 kg

Aluminum Pipe/Tube Theoretical weight calculation：

Formula: OD(mm) x (OD(mm) – T (mm)) × Length(m) × 0.00879
E.g.: 6m (length) × 10.0m (OD) × 1.0mm (Thickness)
Calculation: 6 × (10 – 1)× 10 × 0.00879 = 4.746 kg

Aluminum Hexagon Bar Theoretical weight calculation：

Formula: dia* (mm) × dia* (mm) × length (m) × 0.00242
E.g.: 50mm (diagonal) × 6m (length)
Calculation: 50 × 50 × 6 × 0.00242 = 36.3 (kg)
*dia. means diameter between two adjacent side width.

Copper Round Bar Theoretical weight calculation：

Formula: length (m) × Diameter (mm) × Diameter (mm) × 0.00698
E.g.: 6m (length) × 10.0m (Diameter) × 10.0mm (Diameter)
Calculation: 6 × 10 × 10 × 0.00698 = 4.188 kg

Copper Square / Rectangular Bar Theoretical weight calculation：

Formula: length (m) × Width (mm) × Width (mm) × 0.0089
E.g.: 6m (length) × 10.0m (Width) × 10.0mm (Width)
Calculation: 6 × 10 × 10 × 0.00698 = 5.34 kg

Copper Hexagon Bar Theoretical weight calculation：

Formula: dia* (mm) × dia* (mm) × length (m) × 0.0077
E.g.: 50mm (diagonal) × 6m (length)
Calculation: 50 × 50 × 6 × 0.0077 = 115.5 (kg)
*dia. means diameter between two adjacent side width.

Copper Pipe/Tube Theoretical weight calculation：

Weight = (O.D. – W.T.) * W.T. * 0.02796 * Length

Copper tube is in millimeters (mm), and the length of copper tube in meters (m), the result of weight is KG.

Copper Sheets/Plates Theoretical weight calculation：

Formula: length (m) × width (m) × thickness (mm) × 0.0089
E.g.: 6m (length) × 1.5m (width) × 10.0mm (thickness)
Calculation: 6 × 1.5 × 10 × 8.9 = 801.0 kg

Brass Round Bar Theoretical weight calculation：

Formula (KGS ) = 3.14 X 0.00000785 X ((diameter / 2)X( diameter / 2)) X LENGTH.

Example : CuSn5Pb5Zn5 Copper Bar 62x3000mm Weight One Piece

Density: 8.8

Calculation: 3.14 * 8.8/1000000 * ((62/2) * ( 62/2)) *1000 mm = 26.55 kg / metre

Brass Sheets/Plates Theoretical weight calculation：

Formula: length (m) × width (m) × thickness (mm) × 0.0085
E.g.: 6m (length) × 1.5m (width) × 10.0mm (thickness)
Calculation: 6 × 1.5 × 10 × 8.5 = 765.0 kg

Brass Pipe/Tube Theoretical weight calculation：

Formula: OD(mm) x (OD(mm) – T (mm)) × Length(m) × 0.0267
E.g.: 6m (length) × 10.0m (OD) × 1.0mm (Thickness)
Calculation: 6 × (10 – 1)× 10 × 0.0267 = 14.4 kg

Brass Hexagon Bar Theoretical weight calculation：

Formula: dia* (mm) × dia* (mm) × length (m) × 0.00736
E.g.: 50mm (diagonal) × 6m (length)
Calculation: 50 × 50 × 6 × 0.00736 = 110.4 (kg)
*dia. means diameter between two adjacent side width.

Get a Quote

Please fill in the form below to get a quotation for your project. Moreover, you can get more discount on your firs order.

The price is affected by many factors, such as size, quantities, materials, etc., so please provide us with as much project information as possible. In this way, we can offer you the most accurate price shortly.

For more information, tailored products and solutions or any other requirements, you are also welcome to directly get in touch with us via WhatsApp or Email. (Tel/ WhatsApp : +8613764965049 Email: sales@sakymetal.com)