U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
Inches | Millimeters (mm) |
---|---|
| 3.2 |
| 6.4 |
| 9.5 |
| 12.7 |
| 15.9 |
| 19.1 |
| 20.2 |
| 20.6 |
| 21.4 |
| 22.2 |
1 equals | 25.4 |
1
| 28.6 |
1
| 31.8 |
1
| 34.9 |
Regulations most recently checked for updates: Aug 27, 2025
Inches | Millimeters (mm) |
---|---|
| 3.2 |
| 6.4 |
| 9.5 |
| 12.7 |
| 15.9 |
| 19.1 |
| 20.2 |
| 20.6 |
| 21.4 |
| 22.2 |
1 equals | 25.4 |
1
| 28.6 |
1
| 31.8 |
1
| 34.9 |