Average Measurements for Dog Collars by Breed
Afgan 18" - 22"
Airdale Terrier 18" - 22"
Basset 20" - 24"
Beagle 14" - 18"
Beddington Terrier 14" - 18"
Bloodhound 24" - 28"
Border Collie 18" - 22"
Bouvier des Flanders 22" - 26"
Boston Terrier 12" - 16"
Boxer 18" - 22"
Bulldog 20" - 24"
Cairn Terrier 12" - 16"
Chihuahua 8" - 12"
Chow 20" - 24"
Cocker Spaniel 16" - 20"
Coon Dog 20" - 24"
Cow Dog 18" - 22"
Dachshund 12" - 16"
Dalmation 18" - 22"
Doberman 20" - 24"
Fox Terrier 14" - 18"
German Shepherd 22" - 26"
Golden Retriever 20" - 24"
Great Dane 22" - 26"
Irish Setter 20" - 24"
Labrador Retriever 22" - 26"
Lhasa Apso 12" - 16"
Old English Sheepdog 22" - 26"
Pit Bull 20" - 24"
Pointer 20" - 24"
Pomeranian 12" - 16"
Poodle - Toy 10" - 14"
Poodle - Miniature 14" - 18"
Poodle - Standard 16" - 20"
Pug 16" - 20"
Rottweiler 22" - 26"
Schnauzer - Miniature 14" - 18"
Schnauzer - Standard 16" - 20"
Schnauzer - Giant 20" - 24"
Scottish Terrier 16" - 20"
Shar - Pei 20" - 24"
Sheltie 14" - 16"
Shih Tzu 14" - 16"
Springer Spaniel 16" - 20"
Weimaraner 20" - 24"
Welsh Corgi 14" - 18"
West Highland Terrier 14" - 16"
Yorkshire Terrier 10" - 14"
Metric Conversion Chart for Dog Collars
3/8" = 1 cm 24" = 60 cm
5/8" = 1.6 cm 26" = 65 cm
3/4" = 1.9 cm 28" = 70 cm
1" = 2.5 cm 30" = 75 cm
1 3/4" = 4.5 cm 2' = 60 cm
10" = 25 cm 4' = 120 cm
12" = 30 cm 6' = 180 cm
14" = 35 cm 10' = 3 meters
16" = 40 cm 15' = 4.5 meters
18" = 45 cm 20' = 6 meters
20" = 50 cm 30' = 9 meters
22" = 55 cm 50' = 15 meters