We all have a combination of wrenches in our toolboxes or we are about to enter this fascinating world.
Sometimes we have some in millimeters (mm), others appear in inches and today we are going to know the equivalent of each of the measurements.
Whether it is a combination wrench or a double open-end wrench, it is important to know these measurements and equivalents.
| Inches (“) Standard | Millimeters (mm) |
| 1/8” | 3 |
| 3/16” | 4 |
| ¼” | 6 |
| 5/16” | 8 |
| 3/8” | 10 |
| 7/16” | 11 |
| ½” | 13 |
| 9/16” | 14 |
| 5/8” | 16 |
| 11/16” | 17 |
| ¾” | 19 |
| 13/16” | 21 |
| 7/8” | 22 |
| 15/16” | 24 |
| 1” | 25 |
| 1” 1/8 | 29 |
| 1” 1/4 | 32 |
