18 Gauge Sheet Weight

Updated 8 November 2026Checked against IS 2062:2011, IS 1730How we check

18 gauge (SWG) sheet is 1.22 mm thick and weighs 9.58 kg per m². A standard 8 × 4 ft MS/GI sheet of 18 gauge weighs about 28.47 kg.

18 Gauge Sheet Weight Calculator

All results are in kg.

Material

Width

Thickness

Length

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Measure length, width and thickness (t).

–Weight of 1 sheet

–Total weight

–Weight per m²

–Area of 1 sheet

–Total in tonnes

–Total in pounds

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Looking for 1.2 mm? 18 gauge is 1.22 mm, almost the same: see the 1.2 mm sheet weight page.

Sheet size	MS / GI	SS 304	Aluminium
8 × 4 ft	28.47 kg	28.76 kg	9.79 kg
10 × 4 ft	35.59 kg	35.95 kg	12.24 kg
12 × 4 ft	42.71 kg	43.14 kg	14.69 kg
1250 × 2500 mm	29.93 kg	30.23 kg	10.29 kg
1 m²	9.58 kg	9.67 kg	3.29 kg
1 sq ft	0.89 kg	0.90 kg	0.31 kg

Based on the SWG (Standard Wire Gauge) thickness used in India. GI sheet carries a thin zinc coating and weighs slightly more.

About 35 sheets of 8 × 4 ft make one tonne.

Weight (kg) = Length (m) × Width (m) × 1.22 × 7.85 → 8 × 4 ft: 2.973 × 1.22 × 7.85 = 28.47 kg

What is the thickness of 18 gauge sheet?

18 gauge (SWG) sheet is 1.22 mm thick.

What is the weight of a 18 gauge 8 × 4 sheet?

An 8 × 4 ft MS or GI sheet of 18 gauge weighs about 28.47 kg.

What is the weight of 18 gauge sheet per square foot?

18 gauge sheet weighs about 0.890 kg per square foot.

What is the weight of a 18 gauge SS sheet?

A 18 gauge SS 304 sheet weighs 9.67 kg per m², or about 28.76 kg for 8 × 4 ft.