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Dog Collar Sizing Chart

A dog collar should be snug enough to fit 2 fingers between the dogĀ“s neck & their collar ("C"). If you aren't sure what size collar you need, use a soft tape measure (tailor's tape measure) or if you don't have one, you can use a piece of string or ribbon, mark the measurement around the neck and then measure the string from the end.
For a Martingale Collar, the most important measurements are around the largest part of the head ("A") and around the neck right behind the ears ("B"). This is because the martingale needs to be able to slip over the head (so it needs to adjust large enough to go over the head) but in order for it to work properly, you need to be able to adjust it small enough so that it can't slip over the ears.

For a Buckle Dog Collar or Buckle Martingale (combo) Collar, you will need the largest measurement.

XS (EXTRA SMALL) 7 - 11" 5/8"
SM (SMALL) 10 - 14" 5/8", 1"
MD (MEDIUM) 13 - 18" 5/8", 1", 1.5" & 2"
LG (LARGE) 15 - 20" 1", 1.5" & 2"
XL (EXTRA LARGE) 18 - 26" 1, 1.5" & 2"
2XL (XX LARGE) 24 - 34" 1", 1.5" & 2"




XS (7" - 11") 5/8" 13 - 18 Basenji, Bedlington Terrier, Bichon Frise, Border Collie, Cocker Spaniel, Miniature Dachshund, Dandie Dinmont Terrier, Havanese, Jack Russel, Pug, Skye Terrier, Shi Tzu, West Highland White Terrier, Whippet, Wire Fox Terrier.
SM (10" - 14") 5/8" or 1" 14 - 45 Afgan Hound, American Foxhound, Azawakh, Border Collie, Galgo Espanol, Ibizan, Pharaoh Hound, Standard Poodle, Saluki, Samoyed, Schipperke, Sloughi, Vizsla, Soft Coated Wheaten Terrier.
MD (13" - 18") 1" or 1.5" 45 - 65 Afgan Hound, Basset Hound, Canaan Dog, Dalmation, Galgo Espanol, Glen of Imall Terrier, Greyhound, Plott, Pointers (most), Redbone Coon Hound, Spaniels (most), Spinone Italiano, Sussex Spaniel.
LG (15" - 20") 1" or 1.5" 60 - 95 Akita, Belgian Sheepdog, Black Russian Terrier, Borzoi, Doberman Pinscher, Setters (most), German Shepherd, Husky, Norwegian Elkhound, Old English Sheep Dog, Portuguese Water Dog, Retreivers (most), Rodesian Ridgeback, Siberian Weimaraner.
XLG 18" - 26" 1.5" or 2"> 90 - 180 Alaskan Malamute, American Bulldog, Bull Mastiff, Briard, Dogue de Bordeaux, Great Dane, Irish Wolfhound, Leonberger, Pyrenean Mastiff, Tibetan Mastiff, Otter Hound, Rottweiler, Wolfhound.
2XL (24" - 34") 1.5" or 2" 170 - 250 English Mastiff, Great Pyrenees, Neapoltan Mastiff, Newfoundland, St. Bernard, Perro de Presa Canario, Spanish Mastiff, Tosa Inu-Tosa Ken.

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