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1.25 × 1.25 inch Square Pipe Weight

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

A 1.25 × 1.25 inch MS square pipe is about 31.8 × 31.8 mm. In 2 mm thickness it weighs about 1.87 kg per meter, or 11.2 kg for a 6 m (20 ft) length.

1.25 × 1.25 inch Square Pipe Weight Calculator

All results are in kg.

ABt
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

1.25 × 1.25 inch Square Pipe Weight Chart

Thicknesskg per mPer 6 mPer 20 ftPieces per tonne (6 m)
1.2 mm1.1536.927.03145
1.6 mm1.5179.109.25110
2 mm1.87111.2311.4189
2.6 mm2.38414.3014.5370

Size taken as 1.25" = 31.8 mm and 1.25" = 31.8 mm. Some mills sell this size as 32 × 32 mm; the weight difference is small. Calculated with steel density 7.85 and square corners.

How to Calculate

Weight (kg/m) = [A × B − (A − 2t) × (B − 2t)] × 0.00785 = [31.8 × 31.8 − 27.8 × 27.8] × 0.00785 = 1.871 kg/m

Frequently Asked Questions

What is the weight of a 1.25 × 1.25 inch pipe in 1.2 mm?

A 1.25 × 1.25 inch (31.8 × 31.8 mm) MS pipe of 1.2 mm thickness weighs about 1.15 kg per meter, or 6.9 kg for 6 m.

What is the weight of a 1.25 × 1.25 inch pipe in 1.6 mm?

A 1.25 × 1.25 inch (31.8 × 31.8 mm) MS pipe of 1.6 mm thickness weighs about 1.52 kg per meter, or 9.1 kg for 6 m.

What is the weight of a 1.25 × 1.25 inch pipe in 2 mm?

A 1.25 × 1.25 inch (31.8 × 31.8 mm) MS pipe of 2 mm thickness weighs about 1.87 kg per meter, or 11.2 kg for 6 m.

What is the weight of a 1.25 × 1.25 inch pipe in 2.6 mm?

A 1.25 × 1.25 inch (31.8 × 31.8 mm) MS pipe of 2.6 mm thickness weighs about 2.38 kg per meter, or 14.3 kg for 6 m.

What is 1.25 × 1.25 inch in mm?

1.25 × 1.25 inch is about 31.8 × 31.8 mm (1 inch = 25.4 mm).

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