Finding the right collar size starts with one measurement — your dog’s neck. But if you’re shopping ahead or buying as a gift, this breed size guide gives you a reliable starting point. We’ve compiled average neck measurements and recommended collar sizes for over 100 breeds. Keep in mind these are averages — always measure your dog when possible. Not sure how? Here’s our step-by-step measuring guide.
If your dog’s breed cannot be found in the chart below, please contact us so we may assist you in choosing the appropriate collar for your dog.
| Dog Breed | Neck Size (in.) | Weight (lbs.) | Suggested Size |
| Afghan Hound | 16 – 22 | 58 – 64 | Medium – Large |
| Airedale Terrier | 16 – 22 | 42 – 46 | Medium – Large |
| Akita | 20 – 24 | 70 – 130 | Large |
| Alaskan Malamute | 15 – 22 | 71 – 95 | Medium – Large |
| American Eskimo | 16 – 20 | 18 – 35 | Medium – Large |
| American Eskimo Miniature | 13 – 16 | 15 – 25 | Small – Medium |
| American Indian Dog | 16 – 22 | 30 – 60 | Medium – Large |
| American Pit Bull Terrier | 14 – 18 | 30 – 65 | Medium |
| Australian Kelpie | 15 – 21 | 25 – 45 | Medium – Large |
| Australian Shepherd | 16 – 22 | 35 – 75 | Medium – Large |
| Australian Shepherd Miniature | 10 – 14 | 15 – 35 | XSmall – Medium |
| Basenji | 10 – 14 | 20 – 26 | XSmall – Medium |
| Basset Hound | 16 – 22 | 40 – 60 | Medium – Large |
| Beagle | 12 – 18 | 18 – 30 | Small – Medium |
| Bearded Collie | 16 – 19 | 40 – 60 | Medium |
| Bedlington Terrier | 14 – 18 | 17 – 23 | Medium |
| Belgian Malinois | 16 – 20 | 55 – 75 | Medium – Large |
| Bernese Mountain Dog | 20 – 22 | 66 – 121 | Large |
| Bichon Frise | 14 – 18 | 10 – 14 | Medium |
| Black And Tan Coonhound | 19 – 23 | 70 – 85 | Large |
| Bloodhound | 22 – 28 | 80-110 | Large – Extra Large |
| Border Collie | 14 – 18 | 27 – 45 | Medium |
| Border Terrier | 11 – 13 | 11 – 16 | Small |
| Borzoi | 18-22 | 55-103 | Medium – Large |
| Boston Terrier | 12 – 18 | 10 – 25 | Small – Medium |
| Boxer | 16 – 22 | 55 – 75 | Medium – Large |
| Britany | 14 – 16 | 30 – 40 | Medium |
| Bull Terrier | 12 – 18 | 50 – 60 | Small – Medium |
| Bull Terrier Miniature | 12 – 18 | 25 – 40 | Small – Medium |
| Bulldog (American) | 18 – 24 | 60 – 120 | Medium – Large |
| Bulldog (English) | 18 – 24 | 49 – 55 | Medium – Large |
| Bulldog (French) | 12 – 16 | 18 – 28 | Small – Medium |
| Bullmastiff | 26 – 28 | 99 – 130 | Extra Large |
| Cairn Terrier | 10 – 16 | 12 – 16 | Small – Medium |
| Cavalier King Charles Spaniel | 10 – 16 | 13 – 18 | Small – Medium |
| Cavachon | 10 – 14 | 15 – 35 | Small |
| Cavapoo | 10 – 16 | 15 – 35 | Small |
| Chihuahua | 8 – 14 | 2 – 6 | Small – Medium |
| Chinese Crested | 8 – 11 | 5 – 10 | Small – Small |
| Chow | 18 – 24 | 45 – 65 | Medium – Large |
| Cockapoo | 10 – 16 | 12 – 24 | Small – Medium |
| Cocker Spaniel | 12 – 18 | 26 – 35 | Small – Medium |
| Collie | 18 – 22 | 50 – 75 | Medium – Large |
| Dachshund Miniature | 8 – 12 | 9 – 15 | Extra Small – Small |
| Dachshund Standard | 16 – 20 | 16 – 32 | Medium – Large |
| Dalmatian | 14 – 20 | 45 – 65 | Medium – Large |
| Doberman Pinscher | 18 – 24 | 66 – 88 | Medium – Large |
| English Setter | 18 – 24 | 65 – 80 | Medium – Large |
| Flat-Coated Retriever | 18 – 24 | 60 – 70 | Large |
| Fox Terrier | 10 – 16 | 14 – 18 | Small – Medium |
| German Shepherd | 18 – 24 | 50 – 90 | Medium – Large |
| German Shorthair Pointer | 15 – 17 | 40 – 65 | Medium – Large |
| Golden Retriever | 16 – 24 | 55 – 75 | Medium – Large |
| Goldendoodle (Miniature) | 14 – 16 | 30 – 45 | Medium |
| Goldendoodle (Standard) | 16 – 22 | 40 – 50 | Medium – Large |
| Gordon Setter | 18 – 24 | 44-79 | Medium – Large |
| Greyhound | 14 – 18 | 55 – 80 | Medium |
| Greyhound Italian | 8 – 11 | 7 – 14 | Small |
| Great Dane | 20 – 26 | 99 – 198 | Large- Extra Large |
| Havanese | 8 – 14 | 7 – 13 | Small – Medium |
| Irish Wolfhound | 22 – 26 | 105 -155 | Large – Extra Large |
| Irish Setter | 16 – 22 | 53 – 70 | Medium – Large |
| Irish Terrier | 16 – 20 | 25 – 27 | Medium – Large |
| Jack Russell Terrier | 10 – 14 | 14 – 18 | Small – Medium |
| Japanese Akita | 20 – 24 | 50 – 70 | Large |
| King Charles Cavalier | 10 – 16 | 12 – 18 | Small – Medium |
| Labradoodle | 14 – 20 | 50 – 65 | Medium – Large |
| Labradoodle Miniature | 12 – 16 | 30 – 50 | Small – Medium |
| Labrador Retriever | 18 – 24 | 55 – 80 | Medium – Large |
| Lhasa Apso | 12 – 16 | 13 – 15 | Small – Medium |
| Louisiana Catahoula Leopard | 16 – 21 | 50 – 95 | Medium – Large |
| Lurcher | 13 – 20 | 35 – 100 | Medium – Large |
| Maltese | 10 – 14 | 6 – 9 | Small – Medium |
| Miniature Pinscher | 8 – 11 | 8 – 10 | Extra Small |
| Newfoundland | 26 – 32 | 99 – 154 | Extra Large – XXL |
| Old English Sheepdog | 18 – 24 | 60 – 65 | Medium – Large |
| Papillon | 8 – 12 | 9 – 11 | Small – Small |
| Pekingese | 12 – 16 | 8 – 10 | Small – Medium |
| Pembroke Welsh Corgi | 14 – 16 | 25 – 38 | Medium |
| Pharoah Hound | 10 – 14 | 40 – 60 | Small – Medium |
| Pinscher Miniature | 8 – 11 | 8 – 10 | Small |
| Pit Bull | 14 – 18 | 30 – 70 | Medium |
| Pomeranian | 10 – 14 | 9 – 13 | Small – Medium |
| Poodle (Miniature) | 10 – 16 | 15 – 17 | Small – Medium |
| Poodle (Standard) | 12 – 18 | 45 – 70 | Small – Medium |
| Poodle (Toy) | 8 – 14 | 6 – 9 | Small – Medium |
| Portuguese Water Dog | 15 – 20 | 60 – 95 | Medium – Large |
| Pug | 12 – 16 | 14 – 18 | Small – Medium |
| Puggle (pug/beagle) | 12 – 18 | 15 – 30 | Small – Medium |
| Rat Terrier | 13 – 16 | 11 – 14 | Small – Medium |
| Rhodesian Ridgeback | 20 – 23 | 63 – 90 | Large |
| Rottweiler | 24 – 30 | 77 – 132 | XL |
| Saluki | 13 – 18 | 40 – 60 | Small – Medium |
| Samoyed | 16 – 20 | 35 – 66 | Medium-Large |
| Schipperke | 10 – 14 | 14 – 45 | Small – Medium |
| Schnauzer Miniature | 10 – 16 | 13 – 15 | Small – Medium |
| Schnauzer Standard | 14 – 20 | 30 – 35 | Medium – Large |
| Scottish Terrier | 14 – 20 | 19 – 23 | Medium – Large |
| Shar Pei | 16 – 20 | 35 – 55 | Medium – Large |
| Shetland Sheep Dog “Sheltie” | 11 – 18 | 11 – 24 | Small – Medium |
| Shiba Inu | 14 – 17 | 17 – 23 | Medium |
| Shichon | 10 – 18 | 12 – 14 | Small – Medium |
| Shih Tzu | 10 – 14 | 12 – 16 | Small – Medium |
| Siberian Husky | 16 – 22 | 40 – 55 | Medium – Large |
| Silky Terrier | 10 – 14 | 8 – 10 | Small – Medium |
| Springer Spaniel | 14 – 18 | 49 – 55 | Medium |
| Staffordshire Terrier | 14 – 20 | 50 – 65 | Medium – Large |
| St. Bernard | 26 – 32 | 119 – 180 | Extra Large – XXL |
| Vizsla | 15 – 22 | 49 – 62 | Medium – Large |
| Weimaraner | 16 – 22 | 55 – 85 | Medium – Large |
| West Highland Terrier | 14 – 16 | 15 – 22 | Medium |
| Wheaten Terrier | 18 – 22 | 32 – 37 | Medium – Large |
| Whippet | 13 – 15 | 30 – 35 | Small – Medium |
| Yorkshire Terrier | 6 – 12 | 4 – 7 | Small |
| Yorkshire Terrier (Teacup) | 4 – 8 | 2 – 3 | Small |
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