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2½ inch Pipe Weight (65 NB)

A 2½ inch (65 NB) MS / GI pipe has an outside diameter of 76.1 mm. In medium class it weighs about 6.44 kg per meter, or 38.6 kg for a 6 m length.

2½ inch Pipe Weight Calculator

All results are in kg.

Material

Class

Outside diameter (OD)

Wall thickness

Length

Quantity (pieces)

Rate per kg (₹, optional)

–Weight of 1 piece

–Total weight

–Weight per meter

–Weight per foot

–Total in tonnes

–Total in pounds

–Paint / galvanizing area

–Estimated cost

2½ inch Pipe Weight Chart (IS 1239)

Class	Wall thickness	kg per m	Per 6 m	Per 20 ft
Light (A)	3.25 mm	5.84	35.0	35.6
Medium (B)	3.6 mm	6.44	38.6	39.2
Heavy (C)	4.5 mm	7.95	47.7	48.4

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.

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

Pieces	Weight
1	38.6 kg
10	386.2 kg
25	965.4 kg
50	1,930.9 kg
100	3,861.8 kg

One tonne of 2½ inch medium pipe is about 26 pieces of 6 m.

How to Calculate

Weight (kg/m) = (OD − t) × t × 0.02466 = (76.1 − 3.6) × 3.6 × 0.02466 = 6.436 kg/m

Frequently Asked Questions

What is the weight of a 2½ inch MS pipe per meter?

A 2½ inch (65 NB) MS pipe weighs about 5.84 kg/m in light, 6.44 kg/m in medium and 7.95 kg/m in heavy class.

What is the weight of a 6 m 2½ inch pipe?

A 6 m length weighs about 35.0 kg (light), 38.6 kg (medium) or 47.7 kg (heavy).

What is the weight of a 2½ inch GI pipe?

A 2½ inch GI pipe weighs about the same as MS pipe, around 6.44 kg per meter in medium class, plus about 3–5% for the zinc coating.

What is the outside diameter of a 2½ inch pipe?

A 2½ inch (65 NB) pipe has an outside diameter of 76.1 mm as per IS 1239.

What is the thickness of a 2½ inch pipe?

Under IS 1239, a 2½ inch pipe is 3.25 mm thick in light class, 3.6 mm in medium and 4.5 mm in heavy.