Inch --> mm comparison
| ミリ / mm | インチ / inch | サイズ / size |
| 0.25 | 0 .010 | XXS |
| 0.30 | 0.012 | XS |
| 0.38 | 0.015 | S |
| 0.46 | 0.018 | M |
| 0.51 | 0.020 | M1 |
| 0.53 | 0.021 | L |
| 0.61 | 0.024 | L1 |
| 0.66 | 0.26 | XL |
| 00 | 0 | A | B | C | D | E | F | FF | FFF | |
| mm | 0.127 | 0.152 | 0.178 | 0.203 | 0.274 | 0.305 | 0.325 | 0.348 | 0.381 | 0.419 |
| Inch | 0.005 | 0.006 | 0.007 | 0.008 | 0.0108 | 0.012 | 0.0128 | 0.0137 | 0.015 | 0.0165 |
| Size | 15 | 33 | 46 | 69 | 92 | 138 | 207 | 277 | 346 | 415 | 554 |
| Tex | 15 | 30 | 45 | 70 | 90 | 135 | 210 | 270 | 350 | 410 | 600 |
| Tkt number | 80 | 65 | 40 | 30 | 20 | 15 | 10 | 8 | 7 | 5 | |
| Government | A | AA | B | E | F | FF | 3-Cord | 4-Cord | 5-Cord | 6-Cord | 8-Cord |
Strength | |||||||||||
| Pounds | 1.5 | 3.0 | 7.0 | 11.0 | 14.5 | 21.0 | 31.0 | 44.0 | 53.0 | 73.0 | 98.0 |
| Kilos | 0.7 | 1.4 | 3.2 | 5.0 | 6.6 | 9.5 | 14.1 | 20.0 | 24.1 | 37.7 | 44.5 |
Thickness | |||||||||||
| Inches - decimal | 0.0047 | 0.0070 | 0.0080 | 0.0107 | 0.0124 | 0.0152 | 0.0186 | 0.0231 | 0.0258 | 0.0283 | 0.0330 |
| Inches - thousandths | 5/1000 | 7/1000 | 8/1000 | 11/1000 | 12/1000 | 15/1000 | 19/1000 | 23/1000 | 26/1000 | 28/1000 | 33/1000 |
| Millimeters | 0.1194 | 0.1778 | 0.2032 | 0.2718 | 0.3150 | 0.3861 | 0.4724 | 0.5867 | 0.5867 | 0.7188 | 0.8382 |
Needle Size | |||||||||||
| U.S. | 10-12 | 12-14 | 14-16 | 16-18 | 18-20 | 20-22 | 22-24 | 24-26 | 26-28 | 28-30 | 30-32 |
| Metric | 70-80 | 80-90 | 90-100 | 100-110 | 110-120 | 120-14- | 140-180 | 180-220 | 220-260 | 260-330 | 300-360 |