TOOLS 01 · CALCULATOR

Tube weight calculator: kg/m, per piece and order weight.

Pick the section, enter the dimensions and the length, and read the weight. The formula is printed under the result so you can check it yourself, and the caveat about mill tables is stated rather than hidden.

Which number to trust

Calculated vs mill table
Case	Calculated	Mill table	Difference
Round Ø60.3 × 2.0	2.87 kg/m	2.87 kg/m	none — exact formula
Square 40 × 40 × 2.0	2.39 kg/m	≈ 2.31 kg/m	corner radii, ~3 %
Oval 30 × 60 × 2.0	≈ 2.23 kg/m	mill-specific	shape varies

For a purchase order, use the mill table for the exact profile. For a quick check on a quotation, use this.

Why the order weight matters

Freight is charged on weight and volume. A frame at 6 kg/m² for 1,000 m² is 6 t, which fits a 40HQ on volume long before weight. A container of thick-wall tube is the opposite: it reaches payload before it fills. Run both numbers before you book the box.

A check that catches padded quotations

If a quotation gives a weight per m² that is 30 % above what these formulas suggest for the members listed, ask which member is heavier than the drawing. It is either a design decision or a padded price.

Open selection list

Take the numbers into a real enquiry

The calculator gives you a planning figure. The quotation gives you a price, a packing list and a delivery date.

Open the RFQ builder Ask us to check the figures