Aluminum Weight Calculator
Aluminum stock is roughly one third the weight of steel for the same shape. Use 2.70 g/cm3 for a quick aluminum estimate unless the alloy data says otherwise.
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Aluminum weight formula
Use area in mm2 and length in mm for the kilogram result.
kg = 2.70 * area * length / 1,000,000
Common uses
This shortcut works for 6061, 5052 and other aluminum estimates when exact alloy density is not critical.
Worked example
A 25 mm aluminum round bar has area 490.9 mm2, so weight per metre is 2.70 * 490.9 / 1000 = 1.33 kg/m.
Related pages
- Metal weight calculator - working calculator for bar, tube, plate and angle stock.
- Metal weight formula - unit conversions, density and cross-section formulas.
- Material density chart - density values for steel, stainless, aluminum, brass and more.
- Bar weight calculator - round, square, hex and flat bar formulas.