Metal weight

Round bar Ø28 mm weight

Steel Round bar Ø28 weighs 4.83 kg/m. A 6 m bar weighs 29.0 kg and a 12 m bar 58.0 kg. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre4.83kg/m
6 m bar29.0kg
12 m bar58.0kg
Metres per tonne206.9m
Painting surface0.088m²/m
Ø 28 mm
Diameter
28 mm
Section area
6.16 cm²
Outer surface
0.088 m²/m
Outer surface
0.088 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m4.83 kg4.88 kg1.66 kg
2 m9.67 kg9.77 kg3.33 kg
3 m14.50 kg14.65 kg4.99 kg
4 m19.33 kg19.53 kg6.65 kg
5 m24.17 kg24.41 kg8.31 kg
6 m29.00 kg29.30 kg9.98 kg
8 m38.67 kg39.06 kg13.30 kg
10 m48.34 kg48.83 kg16.63 kg
12 m58.00 kg58.59 kg19.95 kg

How it was calculated

The weight is the section area multiplied by the material density:

kg/m = d² × 0.006165, where d is the diameter in mm.

For Round bar Ø28, the section area is 6.16 cm², so 1 metre = 6.16 × 0.785 = 4.834 kg.

The real weight can differ by a few percent because of rolling tolerances. For other materials or lengths use the calculator.

Other round bar sizes

Round bar Ø10Round bar Ø12Round bar Ø14Round bar Ø16Round bar Ø18Round bar Ø20Round bar Ø22Round bar Ø25Round bar Ø28Round bar Ø30Round bar Ø32Round bar Ø35Round bar Ø40Round bar Ø45Round bar Ø50Round bar Ø55Round bar Ø60Full table →

Working out a whole order?

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Frequently asked questions

How much does one metre of Round bar Ø28 weigh?

One metre of steel Round bar Ø28 weighs 4.83 kg.

How much does a 6 m bar of Round bar Ø28 weigh?

A 6 m bar weighs 29.0 kg and a 12 m bar 58.0 kg.

How many metres of Round bar Ø28 are in one tonne?

One tonne contains about 206.9 metres.