Material Density & Weight Estimator

One estimator for any shape: pick the material, pick the geometry, enter dimensions — get the theoretical weight. Or enter a known volume directly.

Input units
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Only the fields for the chosen shape are used. Length is in metres for bars, flat bar and pipe, and in millimetres for sheet (as marked on the label). Inputs can be entered in mm/m or in/ft — results are always shown in metric with the imperial equivalent. Theoretical weights from nominal dimensions and indicative densities.

Accuracy disclaimer: theoretical weights from nominal dimensions and indicative family densities. Actual pieces vary within manufacturing tolerances and the actual chemistry of the melt. Use results for estimation, freight planning and budgeting only — purchase and invoicing use the actual weighed figures and the EN 10204 mill test certificate for the lot.

The Densities Behind the Numbers

The material dropdown lists every stocked grade of all 13 families, each with its published typical density (or the family indicative value). The family reference values:

Indicative densities by material family
MaterialDensity (kg/m³)Note
Alloy Steel7,850
Aluminium2,7002.66 – 2.81 by grade
Brass & Bronze8,500varies 8.4 – 8.8 by grade
Carbon Steel7,850
Copper & Copper Nickel8,940pure copper; CuNi ≈ 8.9
Duplex & Super Duplex Steel7,8002205 / super duplex ≈ 7.8 g/cm³
Hastelloy8,890C276; other grades vary — see table
Inconel & Incoloy8,400varies by grade — see table
Monel8,800Monel 400 ≈ 8.8; K500 ≈ 8.44 g/cm³
Nickel Alloys8,900Nickel 200/201
Stainless Steel8,000austenitic 8.0; ferritic / martensitic 7.7 – 7.75
Tantalum & Speciality Metals16,600Ta 16.6 – 16.9; Zr 6.51; Nb 8.57; Bi 9.78; Zn 7.14; Pb 11.34
Titanium4,5104.43 (Gr 5) – 4.51

Every grade carries its own entry in the dropdown above. Densities are for estimation — when the datasheet density of your exact grade is known, choose Custom density and enter it.

Estimated — Now Get It Quoted

Send the shape, size, material and quantity, and the desk prices the real thing.

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