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BigPawShop's Dog Blog

How to Measure for a Dog Collar

24 Jan 2023 0 Comments

"What's the right size collar for my dog?"

This is a question we no-doubetdly get quite often from our community, picking the right size dog collar for your pup can be a daunting task! With so many options available, it can be difficult to know which one is the right fit. It's crucial to choose a collar that fits your dog's neck comfortably and securely, without being too loose or too tight. In this post, we'll take you through the steps of how to measure your dog for a collar and provide you with our size guide to help you choose the perfect fit for your dog.

photo of a black dog wearing a well fitted collar

Measuring Your Dog for a Collar:

The first step in choosing the perfect size dog collar for your pup is to measure their neck. To do this, you'll need a flexible tape measure or a piece of string that you can measure later. Place the tape measure or string around your dog's neck, making sure it's snug but not too tight. Measure the length and take note of the measurement.

When measuring for a buckle collar, you'll want to measure around the widest part of your dog's neck, usually where their collar sits. This will ensure that you have enough room to fasten the buckle and that the collar is not too tight.


If you're measuring for a martingale collar, you'll want to measure around the narrowest part of your dog's neck, which is typically just behind the ears. Martingale collars are designed to provide a gentle and effective solution for leash pulling and are typically more snug-fitting than buckle collars.

It's important to leave a couple of inches for "give" when measuring your dog's neck. This will ensure that your dog is comfortable and that the collar is not too tight.

When measuring, it's important to take into account that your dog's neck may change in size depending on the time of year. For example, during the summer months, your dog may have a thinner neck due to shedding, and during the colder months, their neck may be thicker due to their coat.

Size Guide:

Once you have your dog's neck measurement, it's time to use that measurement to select the perfect size dog collar. Below is a general size guide to help you choose the right size collar for your pup:

  • Small: 8-14 inches 
  • Medium: 12-18 inches 
  • Large: 15-22 inches 
  • X-Large: 18-26 inches 

Choosing the Right Fit:

Once you've determined your dog's neck measurement and used the size guide to choose the right size collar, it's important to adjust the collar correctly on your pup. To do this, place the collar around your dog's neck and adjust it to the appropriate size keeping note that you should be able to fit two fingers comfortably between the collar and your dog's neck at it's final adjustment. If the collar is too tight, it may cause discomfort and restrict your dog's breathing. If the collar is too loose, it may fall off or allow your dog to slip out.

Choosing the perfect size dog collar for your pup is crucial for their comfort and safety. By following the steps outlined in this post, you can ensure that you pick the right size collar for your dog. Remember to measure your dog's neck, use the size guide, and check for the right fit to ensure that your pup is comfortable and secure.

At, we pride ourselves on offering a wide variety of collars to fit every pup's neck size and personality. With our collection of 250+ unique designs, you're sure to find a collar that's the perfect fit! From cute to funny or colorful patterns, we have something for every pup. Don't hesitate to contact us if you need any help choosing the perfect collar for your dog.

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