Aluminum Weight Calculator
This aluminum weight calculator finds the weight of an aluminum plate, sheet, bar, or tube from its dimensions. Enter the shape and sizes and the aluminum weight calculator returns the weight in kilograms. Because aluminium is light, about a third the weight of steel, it doubles as an aluminium material weight calculator for panels, extrusions, and sheet where every kilogram counts.
Results
The Aluminum Weight Calculator is part of our Weight collection. Browse more weight to size, convert, and check your work alongside this tool.
What the aluminum weight calculator does
Aluminium has a density of about 2.70 g/cm³, roughly a third that of steel, and this aluminum weight calculator uses that figure to turn dimensions into weight. Choose the shape, enter the sizes, and it returns the weight. As an aluminium material weight calculator it covers plate, sheet, bar, and tube, so a single alum weight calculator handles every form you order, and its light weight is exactly why aluminium is chosen.
How the aluminium material weight calculator works
The weight of any aluminium piece is its volume times the density:
For a plate the volume is length times width times thickness; for a bar it is the cross-section times length. The aluminum weight calculator picks the right volume for the shape, then applies the aluminium density. Because aluminium is so much lighter than steel, the weight calculator aluminium result is roughly a third of what the same size in steel would weigh.
Calculate the weight of aluminum: example
An aluminium plate, 1000 mm by 500 mm, 10 mm thick. To calculate the weight of aluminum:
The same plate in steel would weigh about 39 kg, which shows why aluminium is chosen for light structures. Enter your own sizes and the aluminum weight calculator returns the weight for any aluminium form.
How to use the aluminum weight calculator
Pick the shape, then enter the dimensions: length, width, and thickness for plate or sheet, or diameter and length for bar and tube. The aluminum weight calculator finds the volume, multiplies by the aluminium density, and returns the weight. To calculate the weight of aluminum sheet, use it as an aluminium sheet weight calculator by entering the sheet dimensions; the weight calculator aluminium math is the same for every shape.
Reading the aluminum weight calculator result
The weight is what you handle, ship, and pay for. Aluminium light weight is its main advantage, so the figure often matters for a moving part, a panel, or a portable frame rather than for cost alone. Alloy makes only a small difference, since common aluminium alloys sit close to 2.70 g/cm³, so the aluminum weight calculator result applies across grades. Use it as the standard weight a supplier quotes and a structure carries.
When to use the aluminum weight calculator
- Weighing panels and extrusions with the aluminium material weight calculator
- Sizing sheet with the aluminium sheet weight calculator
- Estimating any form with the alum weight calculator
- Comparing to steel when you calculate the weight of aluminum
Common aluminum weight calculator mistakes
- Using a steel density. Aluminium is a third the weight; the aluminum weight calculator uses 2.70 g/cm³, not 7.85.
- Worrying about alloy. Common alloys are near-identical in density, so the alum weight calculator result covers them.
- Rough thin-sheet measurement. On thin sheet a small thickness error shifts the weight a lot.
Tips for accurate results
- Let the aluminum weight calculator apply 2.70 g/cm³ rather than a steel density.
- Measure thin sheet carefully for an accurate aluminium sheet weight.
- Compare against steel to see the weight saving when you calculate the weight of aluminum.
Why the weight calculator aluminium result is low
The whole reason to reach for an aluminum weight calculator is that aluminium light weight is the point of the material. At about 2.70 g/cm³ it weighs roughly a third of steel, which is why it dominates aircraft, vehicle panels, ladders, and anything that has to move or be carried. That means the weight figure is often a design target, not just a shipping number: shave a few millimeters off a panel and the aluminium material weight calculator shows the saving immediately. When you calculate the weight of aluminum against the same part in steel, the gap is what justifies the higher price per kilogram.
Shape, alloy, and the weight calculator aluminium result
Two inputs set the weight: shape and density. Shape decides the volume, whether a flat plate, a round bar, or a hollow extrusion, and the aluminum weight calculator applies the right volume formula for each. Alloy barely moves the density; common structural alloys like 6061 and 5052 sit within a fraction of a percent of 2.70 g/cm³, so the alum weight calculator result holds across grades. What matters is measuring the section accurately, especially for thin sheet where a small thickness error is a large share of the total. Whether you use it as an aluminium sheet weight calculator or for bar and tube, the density stays fixed and only the shape changes.
Aluminium sheet weight calculator chart
Weight of aluminium plate per square meter from the aluminum weight calculator, by thickness:
| Thickness | Weight per m² | 1 m × 0.5 m plate |
|---|---|---|
| 3 mm | 8.1 kg/m² | 4.05 kg |
| 5 mm | 13.5 kg/m² | 6.75 kg |
| 10 mm | 27.0 kg/m² | 13.5 kg |
| 20 mm | 54.0 kg/m² | 27.0 kg |
Aluminum Weight Calculator FAQ
How do I calculate the weight of aluminum?
Multiply the volume by the aluminium density of about 2.70 g/cm³. The aluminum weight calculator does this, so to calculate the weight of aluminum you just enter the shape and sizes.
How much lighter is aluminium than steel?
About a third the weight, since aluminium is 2.70 g/cm³ against steel at 7.85. The weight calculator aluminium result is roughly one third of the same size in steel.
Does the alloy change the weight?
Only slightly; common aluminium alloys are close to 2.70 g/cm³. The aluminum weight calculator result applies across grades.
Can it weigh aluminium sheet?
Yes. Enter length, width, and thickness and the aluminium sheet weight calculator multiplies by the aluminium density to give the sheet weight.