18 Gauge Aluminum Sheet Thickness

Table of Contents

How Thick is 18 Gauge Aluminum Sheet ?

18 gauge aluminum thickness in mm is 1.024mm.
18 gauge aluminum sheet metal in inches is 0.0403 inch.

18 Gauge Aluminum Sheet Weight

Taking the 18 gauge aluminum sheet 4×8 as an example, estimate 18 gauge aluminum sheet weight:

Weight = Density x Volume.
Volume = length x width x thickness.

4ft x 8ft 18 Gauge Aluminum Sheet 

DensityApproximately 0.0975 lbs/cubic inch
Width4 feet/1220 mm/48 inches
Length8 feet/2240 mm/96 inches
Thickness18 ga
1.024 mm
0.0403 inch
Volume185.7024 cubic in
Wight18.105984 lbs/289.695744 oz/8.21273619 kg

18 gauge aluminum sheet 4×8 weight (lbs): 0.565812 lbs/ft2

18 ga aluminum sheet 4×8 weight (ounces): 9.052992 oz/ft2

4×8 18 gauge aluminum sheet weight (kilogram): 0.256645 kg/ft2

Common Aluminum Sheet Thickness in Gauge

16 Gauge vs 18 Gauge Aluminum

Gauge refers the thickness of the aluminum sheet. The larger the value, the smaller the thickness. 16 gauge aluminum sheet is thicker than 18 gauge aluminum.

18 Gauge vs 19 Gauge Aluminum

18 gauge aluminum sheet is thicker than 19 gauge aluminum.

18 Gauge Aluminum Sheet Price

The price of aluminum sheets is not fixed and is mainly determined by the price of aluminum ingots on the day, exchange rate, freight, surface treatment costs, etc. The unit price of aluminum sheet = aluminum ingot price + processing fee.

Today’s aluminum price of Yangtze Nonferrous Ferrous

2024.01.31 aluminum price

Today’s aluminum price 2024-01-31


Price Range

Average Price

Average price for the first three days

Average price for the first five days

Average price last week

Changjiang Nonferrous






Shanghai spot






Nanhai Lingtong






Where to Buy 18 Gauge Aluminum Sheet Metal

Henan Yongsheng can produce aluminum sheet metal products of various thicknesses such as: 032 aluminum sheet gauge, .040 aluminum sheet gauge, .063 aluminum sheet gauge, 080 aluminum sheet gauge, 090 aluminum sheet gauge, 11 ga aluminum sheet, 24 gauge aluminum sheet, 30ga aluminum sheet, etc.

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