Американская система размеров гвоздей
| Plain | Coated |
| Size | Length in | Gauge No. | No. per Pound | Length in | Gauge No. | Per 50-Pound Box |
| 2d | 1 | 15 | 876 | 1 | 16 | 43800 |
| 3d | 1,25 | 14 | 568 | 1,125 | 15,5 | 28400 |
| 4d | 1,50 | 12,5 | 316 | 1,375 | 14 | 15800 |
| 5d | 1,75 | 12,5 | 271 | 1,625 | 13,5 | 13500 |
| 6d | 2 | 11,5 | 181 | 1,875 | 13 | 9000 |
| 7d | 2,25 | 11,5 | 161 | 2,125 | 12,5 | 8000 |
| 8d | 2,5 | 10,25 | 106 | 2,375 | 11,5 | 5300 |
| 9d | 2,75 | 10,25 | 96 | 2,625 | 11,5 | 4800 |
| 10d | 3 | 9 | 69 | 2,875 | 11 | 3400 |
| 12d | 3,25 | 9 | 63 | 3,125 | 10 | 3100 |
| 16d | 3,5 | 8 | 49 | 3,25 | 9 | 2400 |
| 20d | 4 | 6 | 31 | 3,75 | 7 | 1500 |
| 30d | 4,5 | 5 | 24 | 4,25 | 6 | 1200 |
| 40d | 5 | 4 | 18 | 4,75 | 5 | 900 |
| 50d | 5,5 | 3 | 14 | 5,25 | 4 | 700 |
| 60d | 6 | 2 | 11 | 5,75 | 3 | 500 |
