Inch-mm values overview
How to find the right size
| Inch Fractional value |
Inch Decimal value |
mm Metric |
| 1/64" | 0,016" | 0,397 mm |
| 1/32" | 0,031" | 0,794 mm |
| 1/16" | 0,063" | 1,587 mm |
| 1/8" | 0,125" | 3,175 mm |
| 1/4" | 0,250" | 6,350 mm |
| 3/8" | 0,375" | 9,525 mm |
| 1/2" | 0,500" | 12,700 mm |
| 5/8" | 0,625" | 15,875 mm |
| 3/4" | 0,750" | 19,050 mm |
| 7/8" | 0,875" | 22,225 mm |
| 1" | 1" | 25,400 mm |
| 1 1/4" | 1,250" | 31,750 mm |
| 1 1/2" | 1,500" | 38,100 mm |
| 1 3/4" | 1,750" | 44,450 mm |
| 2" | 2" | 50,800 mm |
| 2 1/4" | 2,250" | 57,150 mm |
| 2 1/2" | 2,500" | 63,500 mm |
| 2 3/4" | 2,750" | 69,850 mm |
| 3" | 3" | 76,200 mm |
| 3 1/4" | 3,250" | 82,550 mm |
| 3 1/2" | 3,500" | 88,900 mm |
| 3 3/4" | 3,750" | 95,250 mm |
| 4" | 4" | 101,60 mm |
