| Nominal pipe size Nps  | 
    Outside | Center to end | |
|---|---|---|---|
| Diameter at bevel | |||
| D | C | M | |
| 1/2 | 21.3 | 25 | |
| 3/4 | 26.7 | 29 | |
| 1 | 33.4 | 38 | |
| 1 1/4 | 42.2 | 48 | |
| 1 1/2 | 48.3 | 57 | |
| 2 | 60.3 | 64 | |
| 2 1/2 | 43.0 | 76 | |
| 3 | 88.9 | 86 | |
| 3 1/2 | 101.6 | 95 | |
| 4 | 114.3 | 105 | |
| 5 | 141.3 | 124 | |
| 6 | 168.3 | 143 | |
| 8 | 219.1 | 178 | |
| 10 | 273.1 | 216 | |
| 12 | 323.8 | 254 | |
| 14 | 355.6 | 279 | |
| 16 | 406.4 | 305 | |
| 18 | 457 | 343 | |
| 20 | 508 | 381 | |
| 22 | 559 | 419 | |
| 24 | 610 | 432 | |
| 26 | 660 | 495 | |
| 28 | 711 | 521 | |
| 30 | 762 | 559 | |
| 32 | 813 | 597 | |
| 34 | 864 | 635 | |
| 36 | 914 | 673 | |
| 38 | 965 | 711 | |
| 40 | 1016 | 749 | |
| 42 | 1067 | 762 | 711 | 
| 44 | 1118 | 813 | 762 | 
| 46 | 1168 | 851 | 800 | 
| 48 | 1219 | 889 | 838 |