Skip to main content
  1. Home
  2. Dogs
  3. Evergreens

PawTracks may earn a commission when you buy through links on our site.

Dog collar sizes: Which one is right for your pooch?

Add as a preferred source on Google

Being a responsible dog owner means ensuring that your best friend never leaves the house without a collar with ID and rabies vaccination tags attached. It doesn’t really matter whether dogs enjoy wearing collars or not – it’s a legal requirement in many communities. Moreover, collars with identification are the fastest way to reunite lost pets with their families. To ensure your pup’s collar stays on, it’s vitally important that his collar is sized correctly.

How to measure your dog for a new collar

The only measurement you’ll need when sizing a dog’s collar is the circumference of your pet’s neck. All dogs are different and vary in size, but the guidelines are the same for getting collar measurements:

  • You’ll need a cloth measuring tape, or you can simply use a piece of string and measure it against a standard ruler to get the correct neck size.
  • Wrap the tape or string around your dog’s neck a few inches down from the head. Pull the tape or string snug but not too tight.
  • Before taking a measurement, you should be sure you can fit two fingers between the tape and your dog’s neck. Alternately, you can just add an inch to the measurement for small dogs and two inches for medium and larger breeds.
Recommended Videos

Once it’s secured on your dog’s neck, check to see that the collar is sized correctly by using the two-finger rule. If it’s a good fit, you should easily be able to slip two fingers between the collar and your dog’s neck.

When shopping for a collar online, you can take measurements yourself and then refer to the store’s online measurement charts to help get the right size. Be aware that different companies may put breeds into different size categories. Generally, as long as you’re in the correct size range, collars can be adjusted to make them tighter or looser as needed.

cute beagle laying down with collar and tag
Image used with permission by copyright holder

What about the collar width?

You can’t measure for collar width, but the general rule is, the smaller the dog the narrower the collar. Wider collars are great for large, strong breeds or for sighthounds like greyhounds and whippets who can easily slip out of regular-size collars.

Choosing the best collar design

If the collar is just to hold tags, you don’t have to worry much about durability. However, if you plan on attaching a leash to the collar, you need a collar made of a strong, durable material like nylon or leather. Custom-made collars are great options if jangling tags annoy you or if you’re concerned about losing the tags. For example, GoTags Personalized Nylon collars come with your dog’s name and contact number embroidered onto the collar.

Choose a waterproof collar if you spend a lot of time outdoors with your dog or if your dog loves to swim. These collars are made from materials resistant to water and won’t smell musty when wet. Reflective collars are a great option if you walk your dog around the neighborhood after dark.

Make a habit of checking the collar frequently

It’s extremely important for the health and safety of your dog that the collar is sized correctly. Here are some things to keep in mind:

  • When it comes to puppies, the American Humane Association reminds pet owners that it’s vital to check collars weekly. Pups grow quickly, and since collars don’t expand, they need to be adjusted as needed until the dog is fully grown.
  • Adult dogs may gain or lose weight throughout their lives and this will impact how the collar fits. Elderly dogs tend to lose weight, so get into the habit of checking the collar periodically.

Your dog’s coat type will also determine how the collar fits. For dogs with thick winter coats, the collar will need to be loosened during cold-weather months. When the coat sheds in the spring and summer, the collar will need to be tightened. Also, check the collar after your dog has a haircut.

Choosing specialty collars

Trainers may recommend humane specialty collars for dogs with specific issues.

Martingale collars are designed for dogs with narrow heads such as greyhounds and whippets. Training experts at the Humane Society of the U.S. also recommend these collars for dogs who learn to back out of regular collars or fearful dogs who may try to escape when out in public.

Headcollars are recommended for strong, energetic dogs who may jump and/or pull on a leash. Because the halter is around the dog’s muzzle instead of the neck, the dog can’t pull on the leash with the full weight of his body.

To be safe and effective, these specialty collars need to be fitted and used correctly. It’s always best to enlist the help of a trainer, who can make sure you and your dog have a pleasant walking experience.

Vera Lawlor
Former Contributor
Vera was the pet columnist for 201 Family magazine and has contributed pet and animal welfare articles to Bone-A-Fide Mutts…
Topics
These 7 guard dog breeds will protect you fiercely
Dog breeds that are some of the best personal guards you'll find
An Akita sitting on the bed

Most dogs are loyal and loving animals. That’s why we know them as humans’ best friends. They’d do anything for us. For some dogs, “anything” means protecting us with their lives, and these breeds make the best guard dogs. Many dogs have a natural defensiveness — it’s instinctual. They’ve evolved to protect the family they love. You’ll notice these pups keeping a watchful eye on your property. They may bark to alert you when your friend arrives or the mail gets delivered.
Remember, guard animals mean well. They aren’t trying to be vicious, but instead, they want to keep you and your home safe and sound. Some prospective pet parents want this quality in a dog. If that’s you, consider these breeds that make the best guard dogs.

What is the most protective breed of dog?

Read more
9 dog breeds like huskies you’ll absolutely love
Breeds that will remind you of Siberian husky dogs
Alaskan Malamute in grass

Siberian huskies are gorgeous dogs built to thrive in harsh conditions. They love the snow and cold weather, but they're just as likely to enjoy time spent indoors with their family. In recent years, huskies have become famous for their talkative, over-the-top personalities, but there are so many reasons to love this hearty Northern breed.
However, if you love these silly Siberian huskies, you may be interested in looking for other dog breeds like husky dogs. Some share that pointed, wolf-like look, while others take after huskies in terms of their personalities. Whatever you're looking for, you just may find it in these husky-like dog breeds.
Check out these nine dog breeds like husky pups. Odds are, they'll look and sound a little familiar!

Alaskan Klee Kai

Read more
Meet the 10 rarest dog breeds on the planet
Meet the dog breeds that rank at the bottom of the American Kennel Club list
American foxhound tilting its head

The most popular dog breeds are well-loved for a reason, but the pups we see less often have so many amazing qualities, too. Unfortunately, many of the rarest dog breeds experienced a decline in population when the job they were bred for was no longer needed, like when the otterhound became nearly extinct in England following the 1978 ban on otter hunting. Still, these resilient dogs have remained recognized breeds to this very day, all thanks to their human advocates who helped bring these canines back from the brink of extinction.

These are some of the rarest — and, in our opinion, some of the most interesting — dog breeds recognized by the American Kennel Club. Have you heard of any of these rare dog breeds?
Harrier

Read more