Metal weight

Round bar Ø45 mm weight

Steel Round bar Ø45 weighs 12.48 kg/m. A 6 m bar weighs 74.9 kg and a 12 m bar 149.8 kg. Values are theoretical, for a density of 7.85 g/cm³.

Weight per metre12.48kg/m
6 m bar74.9kg
12 m bar149.8kg
Metres per tonne80.1m
Painting surface0.141m²/m
Ø 45 mm
Diameter
45 mm
Section area
15.90 cm²
Outer surface
0.141 m²/m
Outer surface
0.141 m²/m

Weight by length

LengthSteelStainless 304Aluminium
1 m12.48 kg12.61 kg4.29 kg
2 m24.97 kg25.22 kg8.59 kg
3 m37.45 kg37.84 kg12.88 kg
4 m49.94 kg50.45 kg17.18 kg
5 m62.42 kg63.06 kg21.47 kg
6 m74.91 kg75.67 kg25.76 kg
8 m99.88 kg100.90 kg34.35 kg
10 m124.85 kg126.12 kg42.94 kg
12 m149.82 kg151.35 kg51.53 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 Ø45, the section area is 15.90 cm², so 1 metre = 15.90 × 0.785 = 12.485 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 Ø20Round bar Ø22Round bar Ø25Round bar Ø28Round bar Ø30Round bar Ø32Round bar Ø35Round bar Ø40Round bar Ø45Round bar Ø50Round bar Ø55Round bar Ø60Round bar Ø65Round bar Ø70Round bar Ø75Round bar Ø80Round bar Ø90Full table →

Working out a whole order?

Add Round bar Ø45 to the materials list and see the total weight and cost of the order, together with the other products.

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Frequently asked questions

How much does one metre of Round bar Ø45 weigh?

One metre of steel Round bar Ø45 weighs 12.48 kg.

How much does a 6 m bar of Round bar Ø45 weigh?

A 6 m bar weighs 74.9 kg and a 12 m bar 149.8 kg.

How many metres of Round bar Ø45 are in one tonne?

One tonne contains about 80.1 metres.