These are approximate measurements. We always recommend measuring your dog before making a purchase.

BreedCircumference
Afghan 16-22" 40-55cm
Airdale 16-22" 40-55cm
Akita 20-24" 50-60cm
American Eskimo 16-20" 40-50cm
American Indian Dog 16-22" 40-55cm
American Pit Bull Terrier 14-18" 35-45cm
Australian Kelpie 15-21" 37.5-52.5cm
Australian Shepherd 16-22" 40-55cm
Basset Hound 16-22" 40-55cm
Beagle 12-18" 30-45cm
Bernese Mountain Dog 20-26" 50-65cm
Bichon Frise 14-18" 35-45cm
Bloodhound 22-28" 55-70cm
Blue Heeler 22-28" 55-70cm
Border Collie 14-18" 35-45cm
Boston Terrier 12-18" 30-45cm
Boxer 16-22" 40-55cm
Britany 14-16" 35-40cm
Bulldog American 18-24" 45-60cm
Bulldog English 18-24" 45-60cm
Bulldog French 12-16" 30-40cm
Bull Terrier 12-18" 30-45cm
Cairn Terrier 10-16" 25-40cm
Caucasian Shepherd 22-26" 55-65cm
Chihuahua 8-14" 20-35cm
Chinese Crested 8-11" 20-27.5cm
Chow 18-24" 45-60cm
Cocker Spaniel 12-18" 30-45cm
Collie 18-22" 45-55cm
Corgi 14-16" 35-40cm
Dachshund Standard 16-20" 40-50cm
Dachshund Mini 8-18" 20-45cm
Dalmatian 14-20" 35-50cm
Doberman 18-24" 45-60cm
English Mastiff 28-38" 70-95cm
Fox Terrier 10-16" 25-40cm
German Shepherd 18-24" 45-60cm
German Shorthair Pointer 20-26" 50-65cm
Golden Retriever 16-24" 40-60cm
Great Dane 20-26" 50-65cm
Great Pyrenees 24-30" 60-75cm
Greyhound 14-18" 35-45cm
Greyhound Italian 8-11" 20-27.5cm
Havanese 8-14" 20-35cm
Irish Setter 16-22" 40-55cm
Irish Wolfhound 20- 27" 50-67.5cm
Jack Russell Terrier 10-14" 25-35cm
King Charles Cavalier 10-14" 25-35cm
labrador Retriever 18-24" 45-60cm
Labradoodle 14-20" 35-50cm
Lhasa Apso 12-16" 30-40cm
Lurcher 13-20" 32.5-50cm
Maltese 10-14" 25-35cm
Miniature American Eskimo 13-16" 32.5-40cm
Miniature Australian Shepherd 10-14" 25-35cm
Miniature Bull Terrier 14-18" 35-45cm
Miniature Labradoodle 12-16" 30-40cm
Newfoundland 26-32" 65-80cm
Old English Sheepdog 18-24" 45-60cm
Papillon 8-12" 20-30cm
Pekingese 12-16" 30-40cm
Pit Bull 14-18" 35-45cm
Pomeranian 10-14" 25-35cm
Poodle Mini 10-16" 25-40cm
Poodle Standard 12-18" 30-45cm
Poodle Toy 8-14" 20-35cm
Pug 12-16" 30-40cm
Rat Terrier 13-16" 32.5-40cm
Rottweiler 24-30" 60-75cm
St. Bernard 26-32" 65-80cm
Schnauzer - Giant 20-26" 50-65cm
Schnauzer - Standard 14-20" 35-50cm
Schnauzer - Mini 10-16" 25-40cm
Scottish Terrier 14-20" 35-50cm
Shar Pei 16-20" 40-50cm
Shetland Sheep Dog (Sheltie) 11-18" 27.5-45cm
Shiba Inu 14-17" 35-42.5cm
Shih Tzu 10-14" 25-35cm
Siberian Husky 16-22" 40-55cm
Silky Terrier 10-14" 25-35cm
Springer Spaniel 14-18" 35-45cm
Staffordshire Terrier 14-20" 35-50cm
Vizsla 15-22" 37.5-55cm
Weimaraner 16-22" 40-55cm
West Highland Terrier 14-16" 35-40cm
Wheaten Terrier 18-22" 45-55cm
Whippet 13-15" 32.5-37.5cm
Yorkshire Terrier 6-12" 15-30cm