How Big Do Jack Russell Terrier Mixes Get?

As an Amazon Associate we earn from qualifying purchases.

If you are considering owning a Jack Russell Terrier mix, it is best to take the time to learn everything about the dog breed. It will help provide the best care for your dog for beginners and even more experienced dog owners. You might be wondering how big do Jack Russell terrier mixes get?

How Big Do Jack Russell Terrier Mixes Get?

Jack Russell mixes generally vary in size depending on their parent breeds. The size can range from tiny dogs that can be easily carried around to larger sizes weighing up to 60 pounds. It is essential to consider the parent characteristics to gain more insight into the potential size of your mix.

There are many available mixed dogs. Crossbreeds can be a mix of two different types of terriers. At the same time, others can also result from mixing a pure breed with another different breed resulting in different features and sizes.

Jrt walking outdoor

Different Terrier Mixes and Their Sizes

Typical of the breed, the result of the combination tends to be small enough for you to carry around. For example, Jack Rats, Jack Chi and Jack-a-Bee.  However, some are also larger combinations, such as the Border terrier and the Airedoodle.

Small Breed Mixes

Most small mixes weigh an average of fewer than 25 pounds. The combinations do not also exceed a standing height of about 16  inches. Some of the most popular include:

Jack Chi: Chihuahua & Jack Russell Mix Breed

The Jack Chi is a mixed dog breed that results from cross-breeding a Chihuahua with a Terrier. The breed is small and has a height of about 10-15 inches. It weighs between 8-18 pounds.

Due to its small size, it is well suited for small spaces such as apartment buildings. However, despite their small stature, they are full of energy and require plenty of daily exercise to provide an outlet for energy.

Jack Chis are well known for their loyal and fun nature. They are clever and make great pets for family homes with older children.

Jack-a-Bee: Beagle & Jack Russell Mix Breed

The Jack-a-Bee is a mix between a Beagle and a Jack Russell. Their height ranges from 10 to 16, while their weight is between 15 to 30 pounds. They are well known for their friendly, loyal and intelligent personalities and have become a popular option for many dog lovers across the globe.

They get along well with most people and enjoy spending time with family members. The Jack-a-Bee has an independent and strong-willed nature with a desire to explore. They are best suited for secure homes to prevent them from wandering off. Nonetheless, with some training, they can be excellent family dogs.

Jack Rat: Rat Terrier and Jack Russell Mix Breed

The Jack Rat, also known as the Jersey Terrier, results from crossbreeding a Rat Terrier with a Jack Russell. They are small in size and are full of personality, similar to the parent breeds. They are full of energy and enjoy playing. They tend to weigh around 20 to 26 pounds, and their height falls between 13 to 18 inches.

JRT playing outside

The dogs are brave, alert, and quick to raise the alarm if they sense any danger. Their bold nature is often demonstrated as they never back down from a challenge, even when facing off with larger dog breeds.

However, it is essential to note that they require daily brushing due to their double coat, which tends to shed constantly. As a pet owner, it would be best to take the time for daily grooming to keep their coats looking their best.

Large Breed Mixes

Large breed mixes weigh between 30 – 65 pounds. Such breeds have a standing height of about 18 – 30 inches.

Jack Russell Terrier and German Shepherd Mix

Due to their size differences, most reputable breeders do not breed these two breeds, they mostly result from accidental mating. Their height falls between 18 – 22 inches and weighs between 30 – 60 pounds.

Since both breeds tend to shed, you should be prepared to have a lot of hair around the house. They are fast, have a lot of energy, and tend to be playful. Exercise them regularly to find an outlet for the energy.

Related Questions

Some similar questions you may have are answered below.

Do Terrier Mixes Have Health Complications?

Yes, terrier mixes have health complications that stem from the parents. Provided you provide your dog with a healthy diet, daily exercise, and regular medical checkups, they should be alright.

Do Terrier Mixes Require Training?

Yes, Terrier mixes require training as they have strong personalities. However, with enough commitment to training, you should have a great pet.


Black and white JRT

Terrier mix breeds can be the perfect pet for your family. They come in various sizes and shapes, and it is easy to find the right fit for your family. It would help to take the time to find out more about the personalities and requirements of the dog to provide the best care possible.