What Is Gauge?
Gauge, also called “Ga,” is a unit of measurement for diameter that originated in North America and later also came to be used to indicate thickness. The larger the gauge number, the smaller the diameter or thickness it represents.
Because the gauge system is different from the inch, there is no conversion formula. So why is there no specific conversion between gauge and inches? It’s actually because the change in thickness and weight per unit area is not constant as you go from one gauge number to the next. If you digitize this into a table, you will see an “exponential decay curve.”
In other words, the difference between consecutive GAUGE numbers gets smaller as the GAUGE value increases. For example, the difference between 10Ga. and 11Ga. is 0.0149″, while the difference between 35Ga. and 36Ga. is only 0.0008″.
For the non-ferrous metal industry, when metal and steel sheets have the same Ga value, the thickness is actually different. For example, the 21Ga. standard steel thickness is 0.0329 inches (0.84 mm); the thickness of 21Ga aluminum sheet is 0.028 inches (0.71 mm).
How Thick Is 36 Gauge Aluminum Foil?
36 gauge aluminum foil refers to the thickness of the foil, which is measured in gauge, a unit of measurement that determines the thickness of a metal.
36 gauge aluminum foil is 0.005 inches, which is about 0.127 mm when converted to millimeters.
36 Gauge Aluminum Foil Weight
The weight of 36 gauge aluminum foil can be calculated based on its thickness and the area it covers.
Thickness: 36 gauge aluminum foil is approximately 0.005 inches (0.127 mm).
Aluminum Density: approximately 0.0975 lb/in3 (2.7 g/cm3).
Weight Formula: Weight = Area × Thickness × Density
For a standard roll of aluminum foil 12x100ft:
Area: 12 inches × 1200 inches = 14,400 square inches
Weight: 14,400 × 0.005 × 0.0975 ≈7.03 pounds
So a 36 gauge aluminum metal foil roll, 12 inches wide and 100 feet long, weighs about 7.03 pounds.
36 Gauge Aluminum Chart Size
Take the area of 12x100ft of 36 gauge standard aluminum foil roll as an example and calculate the size table of 36 gauge aluminum foil.
| Name | Value |
| Gauge | 36 |
| Thickness | 0.005 inch |
| 0.127mm | |
| Weight Per Area | 0.0703lbs/ft2 |
| 0.0318kg/ft2 | |
| 1.1248oz/ft2 | |
| 0.3432kg/m2 |
Which Is Thickner 36 Gauge Or 8 Gauge
The gauge thickness rating is inversely proportional: the lower the number, the thicker the foil, and the higher the number, the thinner the foil.
Therefore, 36 gauge foil is thinner than 8 gauge foil.
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