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½ inch Pipe Weight (15 NB)

A ½ inch (15 NB) MS / GI pipe has an outside diameter of 21.3 mm. In medium class it weighs about 1.20 kg per meter, or 7.2 kg for a 6 m length.

½ 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

½ inch Pipe Weight Chart (IS 1239)

Class	Wall thickness	kg per m	Per 6 m	Per 20 ft
Light (A)	2.0 mm	0.95	5.7	5.8
Medium (B)	2.6 mm	1.20	7.2	7.3
Heavy (C)	3.2 mm	1.43	8.6	8.7

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.

½ inch Pipe Weight by Quantity (Medium, 6 m)

Pieces	Weight
1	7.2 kg
10	71.9 kg
25	179.8 kg
50	359.7 kg
100	719.4 kg

One tonne of ½ inch medium pipe is about 139 pieces of 6 m.

How to Calculate

Weight (kg/m) = (OD − t) × t × 0.02466 = (21.3 − 2.6) × 2.6 × 0.02466 = 1.199 kg/m

Frequently Asked Questions

What is the weight of a ½ inch MS pipe per meter?

A ½ inch (15 NB) MS pipe weighs about 0.95 kg/m in light, 1.20 kg/m in medium and 1.43 kg/m in heavy class.

What is the weight of a 6 m ½ inch pipe?

A 6 m length weighs about 5.7 kg (light), 7.2 kg (medium) or 8.6 kg (heavy).

What is the weight of a ½ inch GI pipe?

A ½ inch GI pipe weighs about the same as MS pipe, around 1.20 kg per meter in medium class, plus about 3–5% for the zinc coating.

What is the outside diameter of a ½ inch pipe?

A ½ inch (15 NB) pipe has an outside diameter of 21.3 mm as per IS 1239.

What is the thickness of a ½ inch pipe?

Under IS 1239, a ½ inch pipe is 2.0 mm thick in light class, 2.6 mm in medium and 3.2 mm in heavy.