| 
| lbs/in | kg/mm |  
| 112 | 2 |  
| 150 | 2.68 |  
| 168 | 3 |  
| 175 | 3.13 |  
| 200 | 3.57 |  
| 224 | 4 |  
| 225 | 4.02 |  
| 250 | 4.46 |  
| 275 | 4.91 |  
| 280 | 5 |  
| 300 | 5.36 |  
| 325 | 5.80 |  
| 336 | 6 |  
| 350 | 6.25 |  
| 375 | 6.70 |  
| 392 | 7 |  
| 400 | 7.14 |  
| 425 | 7.59 |  
| 448 | 8 |  
| 450 | 8.04 |  
| 475 | 8.48 |  
| 500 | 8.93 |  
| 504 | 9 |  
| 525 | 9.38 |  
| 550 | 9.82 |  
| 560 | 10 |  
| 575 | 10.27 |  
| 600 | 10.72 |  
| 616 | 11 |  
| 625 | 11.16 |  
| 650 | 11.61 |  
| 672 | 12 |  
| 675 | 12.05 |  
| 700 | 12.50 |  
| 725 | 12.95 |  
| 728 | 13 |  
| 750 | 13.39 |  | 
| mm | in | n/16 | fraction |  
| 1 | 0.039 | - | - |  
| 1.588 | 0.063 | 1/16 | - |  
| 2 | 0.079 | - | - |  
| 3 | 0.118 | - | - |  
| 3.175 | 0.125 | 2/16 | 1/8 |  
| 4 | 0.157 | - | - |  
| 4.763 | 0.188 | 3/16 | - |  
| 5 | 0.197 | - | - |  
| 6 | 0.236 | - | - |  
| 6.35 | 0.250 | 4/16 | 1/4 |  
| 7 | 0.276 | - | - |  
| 7.938 | 0.313 | 5/16 | - |  
| 8 | 0.315 | - | - |  
| 9 | 0.354 | - | - |  
| 9.525 | 0.375 | 6/16 | 3/8 |  
| 10 | 0.394 | - | - |  
| 11 | 0.433 | - | - |  
| 11.113 | 0.438 | 7/16 | - |  
| 12 | 0.472 | - | - |  
| 12.7 | 0.500 | 8/16 | 1/2 |  
| 13 | 0.512 | - | - |  
| 14 | 0.551 | - | - |  
| 14.288 | 0.563 | 9/16 | - |  
| 15 | 0.591 | - | - |  
| 15.875 | 0.625 | 10/16 | 5/8 |  
| 16 | 0.630 | - | - |  
| 17 | 0.669 | - | - |  
| 17.463 | 0.688 | 11/16 | - |  
| 18 | 0.709 | - | - |  
| 19 | 0.748 | - | - |  
| 19.05 | 0.750 | 12/16 | 3/4 |  
| 20 | 0.787 | - | - |  
| 20.638 | 0.813 | 13/16 | - |  
| 21 | 0.827 | - | - |  
| 22 | 0.866 | - | - |  
| 22.225 | 0.875 | 14/16 | 7/8 |  
| 23 | 0.906 | - | - |  
| 23.813 | 0.938 | 15/16 | - |  
| 24 | 0.945 | - | - |  
| 25 | 0.984 | - | - |  
| 25.4 | 1.000 | 16/16 | 1 |  
| 26 | 1.024 | - | - |  |