What Size Collar for German Shepherd Puppy?

If you have a German shepherd puppy, you might be wondering what size collar to get for them. A collar is an essential accessory for any dog, as it allows you to attach a leash, an identification tag, and other items. However, choosing the right size collar for your puppy can be tricky, as they grow very fast and have different neck sizes depending on their age and breed.

In this blog post, we will give you some tips on how to measure your German shepherd puppy’s neck, what types of collars are suitable for them, and how to adjust the collar as they grow.

How to Measure Your German Shepherd Puppy’s Neck

The first step to finding the right size collar for your German shepherd puppy is to measure their neck. You can use a soft tape measure or a string and a ruler for this. Wrap the tape measure or the string around the base of your puppy’s neck, where the collar will sit. Make sure it is snug but not too tight, as you should be able to fit two fingers between the collar and your puppy’s neck.

The measurement you get is the size of your puppy’s neck in inches or centimeters. You can use this number to compare with the size chart of the collar you want to buy. However, keep in mind that different brands and models of collars may have different sizing standards, so always check the product description and reviews before buying.

What Types of Collars Are Suitable for German Shepherd Puppies

There are many types of collars available for dogs, but not all of them are suitable for German shepherd puppies. Some of the factors you should consider when choosing a collar for your puppy are:

– Material: The collar should be made of a durable and comfortable material that can withstand your puppy’s chewing and pulling. Nylon, leather, and metal are some of the common materials used for collars. Nylon is lightweight and easy to clean, but it can fray over time. Leather is strong and natural, but it can be expensive and require more maintenance. Metal is sturdy and long-lasting, but it can be heavy and cold on your puppy’s neck.

– Style: The collar should have a style that matches your puppy’s personality and needs. Some of the common styles of collars are:

– Buckle collars: These are the most basic and traditional type of collars, which have a buckle or a snap closure that allows you to adjust the size of the collar. They are easy to use and come in various colors and patterns. However, they can be difficult to remove in case of an emergency, and they can pose a choking hazard if your puppy gets caught on something.

– Martingale collars: These are also known as limited-slip collars or no-slip collars, which have two loops that tighten when your puppy pulls on the leash, preventing them from slipping out of the collar. They are ideal for dogs with narrow heads or thick fur, such as German shepherds. However, they should not be left on your puppy when they are unsupervised, as they can cause injury or strangulation if they get snagged on something.

– Head collars: These are also known as gentle leaders or halters, which fit around your puppy’s head and muzzle, giving you more control over their direction and movement. They are useful for dogs that pull hard on the leash or have behavioral issues, such as jumping or lunging. However, they can be uncomfortable for some dogs and require proper training and fitting to avoid injury or discomfort.

Harnesses: These are not technically collars, but they are another option for attaching a leash to your puppy. They fit around your puppy’s chest and back, distributing the pressure evenly across their body instead of their neck. They are great for dogs that have respiratory problems or neck injuries, as well as puppies that are still learning how to walk on a leash. However, they can be bulky and cumbersome for some dogs and may encourage pulling if not used correctly.


The collar should have features that make it more convenient and safe for you and your puppy. Some of the features you may want to look for are:

– Quick-release buckle: This is a type of buckle that allows you to easily remove the collar from your puppy’s neck in case of an emergency, such as a choking incident or a fight with another dog.

– Reflective or glow-in-the-dark: This is a feature that makes the collar more visible in low-light conditions, such as at night or in foggy weather. This can help you and others spot your puppy more easily and avoid accidents.

– ID tag or microchip: This is a feature that helps identify your puppy in case they get lost or stolen. An ID tag is a small metal or plastic piece that hangs from the collar and has your puppy’s name and your contact information engraved on it. A microchip is a tiny electronic device that is implanted under your puppy’s skin and has a unique code that can be scanned by a vet or a shelter to access your contact information. Both of these features can help reunite you with your puppy if they go missing.

How to Adjust the Collar as Your German Shepherd Puppy Grows

One of the challenges of choosing a collar for your German shepherd puppy is that they grow very fast and may outgrow their collar in a matter of weeks or months. Therefore, you need to regularly check and adjust the collar as your puppy grows to ensure it fits properly and comfortably.

Here are some tips on how to adjust the collar as your German shepherd puppy grows:

– Check the fit of the collar at least once a week, especially during the first year of your puppy’s life, when they grow the most.

– Use the two-finger rule to measure the gap between the collar and your puppy’s neck. If you can fit more than two fingers, the collar is too loose and needs to be tightened. If you can’t fit two fingers, the collar is too tight and needs to be loosened.

– If the collar has holes or notches, move the buckle or the snap to the next hole or notch to adjust the size of the collar. If the collar has a slider, slide it along the strap to adjust the size of the collar.

– If the collar is too small or too large for your puppy, replace it with a new one that fits better. Don’t try to cut or modify the collar yourself, as this can damage its integrity and safety.

– Keep an eye on your puppy’s behavior and body language when wearing the collar. If they seem uncomfortable, irritated, or distressed, check the fit of the collar and make adjustments if needed. If they still seem unhappy with the collar, consider trying a different type or style of collar that suits them better.


Choosing the right size collar for your German shepherd puppy is important for their comfort, safety, and training. You need to measure their neck, choose a suitable type and style of collar, and adjust it as they grow. By following these tips, you can find a collar that fits your German shepherd puppy perfectly and helps them become a well-behaved and happy dog.