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1¼ inch Pipe Weight (32 NB)

A 1¼ inch (32 NB) MS / GI pipe has an outside diameter of 42.4 mm. In medium class it weighs about 3.09 kg per meter, or 18.6 kg for a 6 m length.

1¼ inch Pipe Weight Calculator

All results are in kg.

–Weight of 1 piece
–Total weight
–Weight per meter
–Weight per foot
–Total in tonnes
–Total in pounds
–Paint / galvanizing area
–Estimated cost

1¼ inch Pipe Weight Chart (IS 1239)

ClassWall thicknesskg per mPer 6 mPer 20 ft
Light (A)2.65 mm2.6015.615.8
Medium (B)3.2 mm3.0918.618.9
Heavy (C)4.0 mm3.7922.723.1

Weights calculated for plain-end black pipe with steel density 7.85. GI (galvanised) pipe weighs about the same; the zinc coating adds roughly 3–5%. Screwed and socketed pipe is slightly heavier.

1¼ inch Pipe Weight by Quantity (Medium, 6 m)

PiecesWeight
118.6 kg
10185.6 kg
25464.0 kg
50928.0 kg
1001,856.0 kg

One tonne of 1¼ inch medium pipe is about 54 pieces of 6 m.

How to Calculate

Weight (kg/m) = (OD − t) × t × 0.02466 = (42.4 − 3.2) × 3.2 × 0.02466 = 3.093 kg/m

Frequently Asked Questions

What is the weight of a 1¼ inch MS pipe per meter?

A 1¼ inch (32 NB) MS pipe weighs about 2.60 kg/m in light, 3.09 kg/m in medium and 3.79 kg/m in heavy class.

What is the weight of a 6 m 1¼ inch pipe?

A 6 m length weighs about 15.6 kg (light), 18.6 kg (medium) or 22.7 kg (heavy).

What is the weight of a 1¼ inch GI pipe?

A 1¼ inch GI pipe weighs about the same as MS pipe, around 3.09 kg per meter in medium class, plus about 3–5% for the zinc coating.

What is the outside diameter of a 1¼ inch pipe?

A 1¼ inch (32 NB) pipe has an outside diameter of 42.4 mm as per IS 1239.

What is the thickness of a 1¼ inch pipe?

Under IS 1239, a 1¼ inch pipe is 2.65 mm thick in light class, 3.2 mm in medium and 4.0 mm in heavy.

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