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How to Find the Right Dog Collar Size for Your Pet

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When finding the right collar for your furry friend, size is key. A dog collar that is too loose can slip off, while a collar that is too tight can cause discomfort and even injury. So, how do you find the perfect fit for your dog’s collar? In this article, we’ll cover the basics of dog collar sizing, including measuring your dog’s neck, choosing the right width and material, and making adjustments as your dog grows.

Measuring Your Dog’s Neck

Before choosing a collar, you need to know your dog’s neck size. To measure your dog’s neck:

  1. Use a soft measuring tape or even a piece of string will do.
  2. Wrap the tape or string around the base of your dog’s neck, just below the collarbone.
  3. Make sure the tape or string is snug but not too tight, and take note of the measurement in inches.

If you’re using a string, mark the point where the string overlaps and then measure the length of the string with a ruler. This will give you an accurate measurement of your dog’s neck size.

Choosing the Right Width and Material

Once you have your dog’s neck measurement, you can look for collars that fit them properly. Collars come in an array of widths; the width you choose will depend on your dog’s size and breed. A general rule of thumb is to go with a collar at least 1 inch wide for larger breeds and 1/2 inch to 3/4 inch wide for smaller breeds.

In addition to width, you’ll also want to consider the collar’s material. Collars can be made from nylon, leather, or other materials, each with advantages and disadvantages. Nylon collars are affordable and easy to clean but may not be as durable as leather collars. Leather collars are more durable and stylish but can be pricier and require more maintenance.

Adjusting the Collar

Once you’ve chosen a collar that fits your dog’s neck size and is made from the right material, it’s time to adjust the collar to fit your dog’s neck properly. A too-loose collar can slip off, while a too-tight collar can cause discomfort and even injury.

To adjust the collar:

  1. Make sure it is sitting high on your dog’s neck, just below the jawline. You should be able to fit two of your fingers between the collar and your dog’s neck, but not more than that.
  2. If the collar is too loose, adjust it so that it fits snugly but is still not too tight.
  3. If the collar is too tight, loosen it until you can fit two fingers between the collar and your dog’s neck.

Making Adjustments as Your Dog Grows

As your dog grows and gains weight, their collar size may need to be adjusted. It’s essential to regularly check your dog’s collar for fit and make adjustments as needed. If your dog’s collar becomes too tight or loose, it can cause discomfort and injury.

In addition to adjusting the collar as your dog grows, you may also need to consider upgrading to a wider collar as your dog gets bigger. A wider collar will provide more support for your dog’s neck and will be more comfortable for them to wear.


Choosing the correct collar size for your dog is essential for their safety and comfort. By measuring your dog’s neck, selecting the correct width and material, and adjusting the collar for a proper fit, you can ensure that your furry friend is happy and healthy. And remember, always keep an eye on the dog collar for fit and make adjustments as needed.

Love Harlso offers a variety of fashionable and comfortable dog collars, harnesses, and other accessories. We have adjustable straps that make finding a good fit for your pet convenient. Check out our dog collars today!

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