How much does Ø 20 mm mm aluminium round bar weigh per metre?

0.848 kg (0.570 lb per foot). A 6 m length weighs 5.089 kg.

What is the weight of Ø 12 mm mm aluminium round bar?

0.305 kg per metre. A 6 m length, 1.832 kg.

How do you calculate the weight of aluminium round bar?

Diameter squared divided by 471.6 gives kg per metre, with the diameter in mm. It comes from π × d² ÷ 4 × 2700 kg/m³.

Aluminium Round Bar Weight per Metre, kg/m

Aluminium round bar weight chart

Size, mm	kg/m	lb/ft	3 m bar, kg	6 m bar, kg
Ø 6 mm	0.076	0.051	0.229	0.458
Ø 8 mm	0.136	0.091	0.407	0.814
Ø 10 mm	0.212	0.142	0.636	1.272
Ø 12 mm	0.305	0.205	0.916	1.832
Ø 15 mm	0.477	0.321	1.431	2.863
Ø 16 mm	0.543	0.365	1.629	3.257
Ø 20 mm	0.848	0.570	2.545	5.089
Ø 25 mm	1.325	0.891	3.976	7.952
Ø 30 mm	1.909	1.282	5.726	11.45
Ø 35 mm	2.598	1.746	7.793	15.59
Ø 40 mm	3.393	2.280	10.18	20.36
Ø 50 mm	5.301	3.562	15.90	31.81
Ø 60 mm	7.634	5.130	22.90	45.80
Ø 80 mm	13.572	9.120	40.72	81.43
Ø 100 mm	21.206	14.250	63.62	127.23

Each size opens the calculator with it, for any length, quantity or material.

Density 2700 kg/m³, the calculator's typical value for aluminium 6060–6082; a figure from the supplier's data sheet beats it.

How it is worked out

Weight per metre = area of the section × density. A round bar's area is π × d² ÷ 4, so kg/m = π × d² ÷ 4 × 2700 ÷ 10⁶ = d² ÷ 471.6. A piece is that times its length in metres.

Other weight charts

Steel round bar and TMT rebar weight per metre · Steel plate and sheet weight per square metre · Aluminium sheet and plate weight per square metre · Stainless steel sheet weight per square metre (304) · Aluminium round bar weight per metre · Steel square tube weight per metre · Steel round tube and pipe weight per metre · Steel flat bar weight per metre · Steel equal angle weight per metre

Metal weight calculator · All the charts on one page

Questions people ask

How much does Ø 20 mm mm aluminium round bar weigh per metre?: 0.848 kg (0.570 lb per foot). A 6 m length weighs 5.089 kg.
What is the weight of Ø 12 mm mm aluminium round bar?: 0.305 kg per metre. A 6 m length, 1.832 kg.
How do you calculate the weight of aluminium round bar?: Diameter squared divided by 471.6 gives kg per metre, with the diameter in mm. It comes from π × d² ÷ 4 × 2700 kg/m³.