U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
| Inches | Millimeters (mm) |
|---|---|
|
| 6.4 |
|
| 9.5 |
|
| 12.7 |
|
| 14.3 |
|
| 15.9 |
|
| 19.1 |
|
| 22.2 |
| 1 equals | 25.4 |
| 1
| 31.8 |
| 1
| 38.1 |
| 3 equals | 76.2 |
| 3
| 79.4 |
| 3
| 85.7 |
| 3
| 88.9 |
| 3
| 92.1 |
| 3
| 96.8 |
| 3
| 98.4 |
| 3
| 100.0 |
| 4
| 104.8 |
| 4
| 109.5 |
| 4
| 114.3 |
| 4
| 120.7 |
| 5 equals | 127.0 |
