Convert U.S. Standard Gauge numbers to material thickness in inches, mm, cm, or feet, or find the nearest gauge from a thickness value.
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Gauge To Inches Formula
The following formula is used to calculate the thickness in inches from the gauge number for sheet metal.
T = G / 39.37
*simple conversion. The calculator above uses the NIST tables for conversion accuracy
Variables:
- T is the thickness in inches
- G is the gauge number
To calculate the thickness in inches, divide the gauge number by 39.37. This formula is based on the standard that 1 gauge is equal to 1/39.37 inches.
| Gauge (US) | Thickness (in) |
|---|---|
| 10 | 0.1406 |
| 11 | 0.1196 |
| 12 | 0.1046 |
| 13 | 0.0897 |
| 14 | 0.0747 |
| 15 | 0.0673 |
| 16 | 0.0598 |
| 17 | 0.0538 |
| 18 | 0.0478 |
| 19 | 0.0418 |
| 20 | 0.0359 |
| 21 | 0.0329 |
| 22 | 0.0299 |
| 23 | 0.0269 |
| 24 | 0.0239 |
| 25 | 0.0209 |
| 26 | 0.0179 |
| 27 | 0.0164 |
| 28 | 0.0149 |
| 29 | 0.0135 |
| * Rounded to 4 decimals. Values per U.S. Standard Gauge; higher gauge numbers indicate thinner material. | |
What is a Gauge To Inches?
Gauge to inches is a conversion method used to convert the thickness of a material measured in gauge number to inches. This is commonly used in industries such as manufacturing and construction, where materials like sheet metal, wire, or pipes are often measured in gauges. The gauge number and thickness in inches are inversely related, meaning a higher gauge number indicates a thinner material.
How to Calculate Gauge To Inches?
The following steps outline how to calculate the Gauge To Inches using the formula: T = G / 39.37
- First, determine the gauge number (G).
- Next, use the formula T = G / 39.37 to calculate the thickness in inches (T).
- Finally, calculate the Gauge To Inches.
- After inserting the gauge number (G) and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
gauge number (G) = 16
