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80 × 40 Rectangular Pipe Weight

Updated 8 November 2026Checked against IS 4923:2017How we check

A 80 × 40 mm MS rectangular pipe of 2 mm thickness weighs about 3.64 kg per meter, or 21.9 kg for a 6 m length. See every common thickness below.

80 × 40 Rectangular Pipe Weight Calculator

All results are in kg.

Material

Side A

Side B

Wall thickness

Length

Quantity (pieces)

Rate per kg (₹, optional)

Measure the outside sides A and B and the wall thickness (t).

–Weight of 1 piece

–Total weight

–Weight per meter

–Weight per foot

–Total in tonnes

–Total in pounds

–Paint / galvanizing area

–Estimated cost

Download MS Square Pipe Weight Chart (PDF)Free, printable, A4

80 × 40 Rectangular Pipe Weight Chart

Thickness	kg per m	Per 6 m	Per 20 ft	Pieces per tonne (6 m)
1.2 mm	2.216	13.29	13.51	75
1.6 mm	2.934	17.60	17.89	57
2 mm	3.642	21.85	22.20	46
2.6 mm	4.686	28.12	28.57	36
3.2 mm	5.707	34.24	34.79	29

Calculated with steel density 7.85 and square corners; real tubes have rounded corners and can weigh 1–3% less.

How to Calculate

Weight (kg/m) = [80 × 40 − (80 − 2t) × (40 − 2t)] × 0.00785

Example (2 mm): [3200 − 76.0 × 36.0] × 0.00785 = 3.642 kg/m.

Frequently Asked Questions

What is the weight of a 80 × 40 × 1.2 pipe?

A 80 × 40 × 1.2 mm MS pipe weighs about 2.22 kg per meter, or 13.3 kg for 6 m.

What is the weight of a 80 × 40 × 1.6 pipe?

A 80 × 40 × 1.6 mm MS pipe weighs about 2.93 kg per meter, or 17.6 kg for 6 m.

What is the weight of a 80 × 40 × 2 pipe?

A 80 × 40 × 2 mm MS pipe weighs about 3.64 kg per meter, or 21.9 kg for 6 m.

What is the weight of a 80 × 40 × 2.6 pipe?

A 80 × 40 × 2.6 mm MS pipe weighs about 4.69 kg per meter, or 28.1 kg for 6 m.

What is the weight of a 20 ft 80 × 40 pipe?

A 20 ft length of 80 × 40 × 2 mm pipe weighs about 22.2 kg.