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ISMB 250 Weight

Updated 8 November 2026Checked against IS 808:2021, IS 2062:2011How we check

ISMB 250 weighs 37.3 kg per meter as listed in IS 808. A 6 m length weighs about 223.8 kg and a 12 m length about 447.6 kg.

ISMB 250 Weight Calculator

All results are in kg.

HBtwtf
Measure depth (H), flange width (B), web (tw) and flange (tf) thickness.
–Weight of 1 piece
–Total weight
–Weight per meter
–Weight per foot
–Total in tonnes
–Total in pounds
–Paint / galvanizing area
–Estimated cost
Download ISMB Beam Weight Chart (PDF)Free, printable, A4

ISMB 250 Dimensions

PropertyValue
Depth (h)250 mm
Flange width (b)125 mm
Web thickness (tw)6.9 mm
Flange thickness (tf)12.5 mm
Weight37.3 kg/m

ISMB 250 Weight by Length

LengthWeight
1 meter37.3 kg
1 foot11.4 kg
6 m223.8 kg
20 ft (6.10 m)227.4 kg
12 m447.6 kg

ISMB 250 Weight by Quantity

Pieces6 m pieces12 m pieces
1223.8 kg447.6 kg
51,119.0 kg2,238.0 kg
102,238.0 kg4,476.0 kg
204,476.0 kg8,952.0 kg

One tonne of ISMB 250 is about 4.5 pieces of 6 m.

How to Calculate

Weight (kg/m) = [2 × B × tf + (H − 2 × tf) × tw] × 0.00785 = 36.72 kg/m

Dimensions as per SP 6(1). The formula ignores the root radius and flange taper, so it gives 36.72 kg/m instead of the listed 37.3 kg/m. Use the mill weight for billing.

Frequently Asked Questions

What is the weight of ISMB 250 per meter?

ISMB 250 weighs 37.3 kg per meter as listed in IS 808.

What is the weight of a 6 m ISMB 250?

A 6 m length of ISMB 250 weighs about 223.8 kg.

What is the weight of a 12 m ISMB 250?

A 12 m length weighs about 447.6 kg.

What is the size of ISMB 250?

ISMB 250 is 250 mm deep with a 125 mm wide flange, a 6.9 mm web and 12.5 mm thick flanges.

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