Dog Collar Size Chart
| Collar | Neck (cm) | Neck (inches) | Collar Width (cm) | Collar Width (inches) |
| Extra Small Dog Collar | 20 - 25 cm | 8" - 10" | 1.5 cm or 2 cm | 0.5" or 0.8" |
| Small Dog Collar | 25 - 35 cm | 10" - 14" | 1.5 cm, 2 cm, 2.5 cm or 4 cm | 0.5", 0.8", 1" or 1.5" |
| Medium Dog Collar | 30 - 50 cm | 12" - 20" | 2 cm, 2.5 cm or 4 cm | 0.8", 1" or 1.5" |
| Large Dog Collar | 40 - 63 cm | 16" - 25" | 2.5 cm or 4 cm | 1" or 1.5" |
| Extra Large Dog Collar | 50 - 76 cm | 20" - 30" | 2.5 cm or 4 cm | 1" or 1.5" |
All sizes are approximate.