Chain Number Conversion Chart
Chain Number Conversion Chart
You can view the Chain Number Conversion Chart below or download it using the download link at the bottom of the page.
Handy Links for all chain types under the Oregon chain column.
| Pitch | Guage | Oregon Chain | Carlton | McCulloch | Stihl | Windsor | Husqvarna | EM | Dolmar | Tri-Link |
| 1/4" | 0.050" (1.3mm) | 25 | E1, K1NK | 13RM | 50K | H00 | S00 | |||
| 325 | 0.050" (1.3mm) | 20 | K1C, K1L | PM320, SPR320, | 23 | 50J | H22, H23 | 82 | 2B, 7B | |
| 325 | 0.050" (1.3mm) | 95 | H30 | S30 | ||||||
| 325 | 0.058" (1.5mm) | 21 | K2 | SPR328, | 25 | 58J | H25, H21 | S212 | 083, 686 | 2C, 7C |
| 325 | 0.063" (1.6mm) | 22 | K3 | 26 | 63J | H28, H26 | S28 | 2D, 7D | ||
| 3/8" | 0.050" (1.3mm) | 72 | A1 | PM370, SPR370 | 33R | 50A | H51, H47, H46 | S46 | 100 | 3B, 8B |
| 3/8" | 0.058" (1.5mm) | 73 | A2 | SPR378 | 35R | 58A | H42, H48, H49, H52 | S48, S49, S52 | 99 | 3C, 8C |
| 3/8" | 0.063" (1.6mm) | 75 | A3 | PM373, SPR373 | 36R | 63A | H44, H45, H53 | S45, S53 | 110 | 3D, 8D |
| 3/8" | 0.043" (1.1mm) | 90 | N4 | 61PMN | 43RG | 1A | ||||
| 3/8" | 0.050" (1.3mm) | 91 | N1 | M370 | 63PM | 50R | H35, H36 | S36 | 92 | 1B |
| 404 | 0.063" (1.6mm) | 59 | B3S | PM403, SPR403 | 46RS | 63B | H57, H64, H65 | S64, S65 | 103, 108 | 4D |