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ISMB 100 Weight

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

ISMB 100 weighs 11.5 kg per meter as listed in IS 808. A 6 m length weighs about 69.0 kg and a 12 m length about 138.0 kg.

ISMB 100 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 100 Dimensions

PropertyValue
Depth (h)100 mm
Flange width (b)75 mm
Web thickness (tw)4.0 mm
Flange thickness (tf)7.2 mm
Weight11.5 kg/m

ISMB 100 Weight by Length

LengthWeight
1 meter11.5 kg
1 foot3.5 kg
6 m69.0 kg
20 ft (6.10 m)70.1 kg
12 m138.0 kg

ISMB 100 Weight by Quantity

Pieces6 m pieces12 m pieces
169.0 kg138.0 kg
5345.0 kg690.0 kg
10690.0 kg1,380.0 kg
201,380.0 kg2,760.0 kg

One tonne of ISMB 100 is about 14.5 pieces of 6 m.

How to Calculate

Weight (kg/m) = [2 × B × tf + (H − 2 × tf) × tw] × 0.00785 = 11.17 kg/m

Dimensions as per SP 6(1). The formula ignores the root radius and flange taper, so it gives 11.17 kg/m instead of the listed 11.5 kg/m. Use the mill weight for billing.

Frequently Asked Questions

What is the weight of ISMB 100 per meter?

ISMB 100 weighs 11.5 kg per meter as listed in IS 808.

What is the weight of a 6 m ISMB 100?

A 6 m length of ISMB 100 weighs about 69.0 kg.

What is the weight of a 12 m ISMB 100?

A 12 m length weighs about 138.0 kg.

What is the size of ISMB 100?

ISMB 100 is 100 mm deep with a 75 mm wide flange, a 4.0 mm web and 7.2 mm thick flanges.

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