This aluminum gauge thickness chart provides detailed information on the thickness of aluminum sheets, making it a valuable resource for manufacturers, engineers, and other professionals who work with aluminum. Use this chart to select the appropriate gauge for your projects, ensuring precision and consistency in your materials.
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| Gauge (ga) | Standard Steel Thickness (inches) | Galvanized Steel Thickness (inches) | Aluminum Thickness (inches) |
| 3 | 0.2391 | 0.2294 | |
| 4 | 0.2242 | 0.2043 | |
| 5 | 0.2092 | 0.1819 | |
| 6 | 0.1943 | 0.162 | |
| 7 | 0.1793 | 0.1443 | |
| 8 | 0.1644 | 0.1285 | |
| 9 | 0.1495 | 0.1532 | 0.1144 |
| 10 | 0.1345 | 0.1382 | 0.1019 |
| 11 | 0.1196 | 0.1233 | 0.0907 |
| 12 | 0.1046 | 0.1084 | 0.0808 |
| 13 | 0.0897 | 0.0934 | 0.072 |
| 14 | 0.0747 | 0.0785 | 0.0641 |
| 15 | 0.0673 | 0.071 | 0.0571 |
| 16 | 0.0598 | 0.0635 | 0.0508 |
| 17 | 0.0538 | 0.0575 | 0.0453 |
| 18 | 0.0478 | 0.0516 | 0.0403 |
| 19 | 0.0418 | 0.0456 | 0.0359 |
| 20 | 0.0359 | 0.0396 | 0.032 |
| 21 | 0.0329 | 0.0366 | 0.0285 |
| 22 | 0.0299 | 0.0336 | 0.0253 |
| 23 | 0.0269 | 0.0306 | 0.0226 |
| 24 | 0.0239 | 0.0276 | 0.0201 |
| 25 | 0.0209 | 0.0247 | 0.0179 |
| 26 | 0.0179 | 0.0217 | 0.0159 |
| 27 | 0.0164 | 0.0202 | 0.0142 |
| 28 | 0.0149 | 0.0187 | 0.0126 |
| 29 | 0.0135 | 0.0172 | 0.0113 |
| 30 | 0.012 | 0.0157 | 0.01 |
| 31 | 0.0105 | 0.0142 | 0.0089 |
| 32 | 0.0097 | 0.0134 | 0.008 |
| 33 | 0.009 | 0.0071 | |
| 34 | 0.0082 | 0.0063 | |
| 35 | 0.0075 | 0.0056 | |
| 36 | 0.0067 |
Common Uses for the Aluminum Gauge Thickness Chart:
- Verify aluminum sheet thickness to meet industry standards
- Select the appropriate gauge for various applications
- Optimize manufacturing processes based on material specifications
- Accurately estimate material costs for budgeting
- Ensure product quality through precise thickness measurements
- Assist procurement specialists in matching supplier specifications
- Support fabricators in cutting, shaping, and assembling aluminum parts
Quick Tips on How to Use the Aluminum Gauge Thickness Chart:
- Identify Your Needs: Determine the required thickness for your project before referring to the chart.
- Match Specifications: Use the chart to find the exact gauge that corresponds to the desired aluminum thickness.
- Compare Materials: Note that the chart includes thicknesses for standard steel and galvanized steel for comparison purposes.
- Double-Check Measurements: Ensure your measurements align with the chart to avoid errors in material selection.
- Consider the Application: Different applications may require different gauges; ensure the chosen thickness meets the specific needs of your project.
- Consult with Suppliers: Use the chart to verify that the supplied aluminum matches the required specifications.
Need to know about aluminum bending capabilities?
Check out our Aluminum Bendability Calculator and our list of Best Alloys for Bending.
Need to know about aluminum alloy products?
Check out our Aluminum Mill Specifications by Alloys page for a list of all of the alloy products and their key characteristics.
Aluminum Gauge Thickness Chart FAQs
To determine the appropriate gauge, consider the requirements of your project, such as strength, weight, and durability. Refer to the chart to match these requirements with the corresponding aluminum thickness.
The chart provides thickness measurements for standard steel, galvanized steel, and aluminum. Standard steel and galvanized steel are listed for comparison, highlighting that different materials have different thicknesses even if they share the same gauge number.
The thickness measurements are based on industry standards and are highly accurate. However, it’s always good practice to double-check measurements with precise tools or consult with suppliers to ensure exact specifications.
This chart is specific to aluminum and steel. For other metals, you will need to refer to charts designed specifically for those materials as their thickness measurements can vary.
If the required aluminum thickness is not listed, consult with your supplier or manufacturer. They may be able to provide custom thicknesses or offer alternative solutions that meet your project needs.
