Irish Terrier Growth Chart (Weight Chart & Size Chart)

The Irish Terrier, often known as the ‘Daredevil of the Emerald Isle,’ is a medium-sized terrier that is bold, daring, and courageous. The Irish Terrier, known for his fiery red color and temperament to match, is stouthearted at work and tenderhearted at home. Irish Terriers are the original long-legged terrier.

Irish Terrier Growth Chart
Irish Terrier Growth Chart

They’re robust but lithe and graceful, standing around 18 inches at the shoulder. Every line on the body is appealing, and the overall picture is well-balanced. The tight red coat is as fiery as the character of the breed. ITs is a dog lover’s paradise: If the sight of this Technicolor terrier set against the brilliant greens of the Irish countryside doesn’t make your heart skip a beat, forget dogs and acquire a goldfish instead.

To know more information about Irish Terrier growth chart, make sure to read the entire article!

Information on Irish Terrier
Information on Irish Terrier

When Do Irish Terriers Stop Growing?

During the first 37 weeks, your Irish Terrier will grow at a rapid pace. Your Irish Terrier will have reached 95% of its adult weight at 37 weeks. Then your Irish Terrier will gradually cease gaining weight. Your Irish Terrier should be at its peak weight at 47 weeks (11 months). Irish Terriers reach the end of their growth cycle at 47 weeks (11 months).

The preceding topic is broad in scope and pertains to both male and female Irish Terriers. Male dogs, on the other hand, typically grow at a slower rate than female canines.

During the first 37 weeks of a male Irish Terrier’s life, he will grow at a rapid pace. A male Irish Terrier will have reached 95 percent of mature weight at 37 weeks. A male Irish Terrier will then gradually stop gaining weight. A male Irish Terrier should have attained its maximum weight at roughly 47 weeks (11 months). Male Irish Terriers reach the end of their growth cycle at 47 weeks (11 months).

Irish Terrier Size Chart

Here is the size chart of an Irish Terrier:

Age (Months)Growth per week (Pounds)Growth per week (Kg)
3 Months0.930.42
4 Months0.740.34
5 Months0.580.27
6 Months0.450.20
7 Months0.340.15
8 Months0.240.11
Irish Terrier Size Chart

Irish Terrier Growth Pictures

Irish Terrier puppy
Irish Terrier puppy
Irish Terrier puppy
Irish Terrier puppy

What is the Standard Irish Terrier Size

This daring canine stands 18 inches (45 cm) tall and weighs 25 to 27 pounds (11 to 12 kg). And, unlike in other breeds, the size difference between men and females isn’t as noticeable.

When an Irish Terrier puppy is 14 months old, he or she will have reached these full-grown dimensions. However, keep in mind that not all small to medium-sized dogs are ideal for apartment living. You should always evaluate a breed’s energy level to determine which type of environment they would thrive in.

Irish Terrier Weight Chart

Here is the weight chart of an Irish Terrier:

AgeAverage WeightTypical Weight Range
15 Weeks13 LBS12 LBS – 13 LBS
20 Weeks17 LBS16 LBS – 17 LBS
25 Weeks20 LBS19 LBS – 20 LBS
30 Weeks22 LBS21 LBS – 23 LBS
35 Weeks23 LBS22 LBS – 24 LBS
40 Weeks24 LBS23 LBS – 25 LBS
45 Weeks24 LBS23 LBS – 25 LBS
60 Weeks25 LBS24 LBS – 26 LBS
Irish Terrier Weight Chart

Irish Terrier Growth Chart – What To Expect
Irish Terrier Weight Chart by Age


Irish Terrier 1-2 weeks

Puppies can touch and taste when they are born, but that’s about it. During this time, they will be influenced the most by their mother (or mother surrogate) and littermates and will begin to learn some basic social skills, coordination, and the ranking process. Most of the time, they’ll merely eat — infants require milk from their mother or a commercial milk replacer every two hours.

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Irish Terrier 3-12 weeks

This is the period and timeframe in which it is critical to socialize your puppy with other people and canines. Puppies are aware of their surroundings at five weeks and begin to enjoy playtime. Good interactions with people from weeks 5 to 7 will have a significant impact on how they engage in the future.

Even though they will begin to be influenced by people after approximately a month, puppies should be left with their mother and littermates for at least eight weeks to acquire inhibited play biting and other dog socialization cues. You might be able to start house-training your puppy by week seven. 

From weeks 8 to 10, your puppy will go through a typical “fear” period that can be alleviated with positive and supportive training. However, the true “golden period” for training is between 9 and 12 weeks, when your puppy is actively working on social skills and paying attention to both adults and litter mates.


Irish Terrier 4-6 months

Consider this period to be “elementary school age.” Dogs, like human children, are most influenced by their playmates — both dogs and people — at this stage. During this time, your puppy will learn and apply ranking in terms of submission and dominance. Teething and chewing (and chewing troubles!) occur around this time, and the puppy will go through another fear period when she is about four months old.

Irish Terrier 10-18 months

Your puppy now understands that he belongs to a pack (which may include both humans and dogs) and that this group has the biggest control over his conduct. Expect your dog to test you more as he learns about dominance and his role in the pack. Dogs that haven’t been spayed or neutered will begin to demonstrate sexual activity during this time, and a second chewing stage will most likely begin between 7 and 9 months.

Knowing what to expect and when to expect it allows you to better prepare yourself to deal with specific behaviors in a way that is both positive and fosters the type of behavior you want.

What is the Full Grown Irish Terrier?

Males should weigh 27 pounds, while females should weigh 25 pounds. The shoulder height ranges from 18 to 20 inches.

How To Weigh Your Irish Terrier Puppy?

If you want to maintain track of your Irish Terrier’s weight, you must first learn how to weigh him properly.

To begin, you should be able to weigh your Irish Terrier at home if he is a puppy or if you are just large enough to hold him. This can be accomplished with a standard bathroom scale.

To begin, weigh yourself and record the result. Then, while standing on the scale, pick up your dog and hold him. The difference in weights represents your dog’s weight.

If your dog is too huge to carry, you can either invest in a dog scale, which can cost upwards of $100, or contact your veterinarian. The majority of veterinarian offices will enable you to use their scale.

Unless there is a health problem, you can weigh an adult Irish Terrier once every six months. Once a week is sufficient for a puppy to ensure he is growing normally.

What Is An Irish Terrier’s Neck Size?

To determine the neck size of your dog, use a soft and flexible tape measure to determine the neck size of your dog where her collar naturally falls. Then, put two fingers between your dog’s neck and the tape measure to ensure that the dog collar fits snugly but comfortably. The Irish Terrier’s average neck circumference is between 16 and 20 inches.

How Big Do Irish Terriers Get?

How big do they get?
How big do they get?

The Irish Terrier was developed as a companion, security dog, and hunter. As a result, he’s calm, lively, aware, and adaptive. He’s also brave, daring, inquisitive, and loyal. All of these things sound lovely, and they are, but they aren’t always easy to live with. 

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This is a strong-willed, independent dog who gets into scraps with other dogs. He requires cerebral stimulation in the form of training and play, as well as physical activity and loving but strong discipline. On the plus side, Irish Terriers adore people and are frequently approachable to strangers. They are not one-man dog.

Males should weigh 27 pounds, while females should weigh 25 pounds. The shoulder height ranges from 18 to 20 inches.

Factors That Affect Irish Terrier Puppy Growth 

Diet & Nutrition

Irish Terriers should be fed high-quality dog food that is appropriate for their age (puppy, adult, or senior) and activity level. Discover which human foods are suitable for dogs and which are not. If you have any queries or concerns regarding your dog’s weight or diet, see your veterinarian or the dog’s breeder. There should always be clean, fresh water available.

Physical Activity & Health

Irish Terriers are typically healthy dogs, however, they are prone to a few health concerns. Hyperkeratosis (hardened, cracked footpads) is uncommon in North America, but it may be present in dogs descended from European ancestors. A genetic diagnostic for this illness has recently been developed. Cystinuria (leading to bladder stones) is also uncommon in Irish Terriers, but there is no genetic test for it. 

Prospective owners should inquire about these two diseases and work exclusively with trustworthy breeders. As with all breeds, the Irish Terrier’s ears should be checked for symptoms of illness on a regular basis, and the teeth should be brushed frequently with dog toothpaste. Regular vet visits for examinations and parasite control assist to ensure the dog has a long and healthy life.

The Irish Terrier is a bright, energetic, and gregarious dog with a lot of energy. Irish Terriers are excellent athletes who require frequent exercise, so a fenced yard is perfect. In the absence of this, they must always walk on a leash several times every day to preserve mental and physical fitness. 

The Irish Terrier, despite his stubbornness, wants to please his owner and shines as a show and performance dog. Obedience, agility, rally, earthdog, and flyball sports allow the breed’s energy, inherent athleticism, and intelligence to be expressed.

Common Questions about Irish Terrier

At What Age Is A Irish Terrier Fully Grown?

When an Irish Terrier puppy is 14 months old, he or she will have reached these full-grown dimensions. Not all tiny to medium-sized dogs are appropriate for apartment living. You should always evaluate a breed’s energy level to determine which type of environment they would thrive in.

How Long Are Irish Terriers Pregnant?

Since conception in dogs lasts roughly 63 days, this can vary by several days. Despite the fact that this may appear to be a simple answer, conception is often difficult to pin down. It’s possible for sperm and eggs to remain fertile for up to 48 hours after fertilization, thus the act of mating isn’t a precise assessment of pregnancy. This makes it difficult to estimate the length of the pregnancy without the help of a vet.

The gestational period can be pinpointed much more precisely using hormone assays. To keep track of reproductive hormone levels, many breeders utilize vaginal smear exams and blood tests. They can use this information to figure out when is the best time to breed their buck, how long she will be pregnant, and when she might give birth.

How Many Puppies Do Irish Terriers Have?

A typical litter size can range from one to twelve puppies, with 5-6 puppies being the average across all canines. However, just as each breed of dog varies in size, function, and personality, so do they range in litter size, according to AKC registration data.


What Is The Life Expectancy Of Irish Terriers?

The Irish Terrier has a life expectancy of 12 to 15 years, which is a good life expectancy for any dog breed. This breed typically dies as a result of a hereditary ailment, cancer, or old age.

How Much Does It Cost To Own A Irish Terrier?

Irish Terrier puppies range in price from $600-$1100 USD. Before purchasing any type of puppy, it is critical to explore some basic dog-rearing concerns.

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If you do decide to get an Irish Terrier, you must consider not just the initial cost of bringing your puppy home, but also the costs of rearing your dog.

How To Help Your Irish Terrier Lose Weight If He Is Overweight 

As with humans, exercise is critical for your overweight dog’s health. Increased movement helps your dog burn off excess energy (and calories consumed). Avoid panic! Exercising your pet does not have to include marathons or lengthy hikes. Regular walks and the opportunity to run and play safely off-leash. 

Even creating a stimulating indoor environment that encourages your dog to exercise on a regular basis can help. Bear in mind that different breeds require varying amounts of exercise, so visit your veterinarian, breeder, or your dog’s breed standard for recommendations on recommended activity levels.

Distinguish Begging from Hunger

Distinguish Begging from Hunger
Distinguish Begging from Hunger

Begging is not necessarily motivated by a desire for more food; it is also used to gain attention. (And, by rewarding the behavior, you reinforce and encourage it to continue.) If your dog begs, do not automatically assume he is hungry. Trust your instincts and keep track of the date and time of your last meal. 

If your dog is prone to begging and you are prone to succumb to those puppy dog eyes, choose a high-protein meal with a fiber blend to help control your dog’s hunger and voluntary food consumption. In this manner, you may feed your dog with the assurance that he will feel fuller and content for a longer period of time.

Restriction on treats and table scraps

Even when our dogs are not begging, many of us provide an excessive amount of treats and table scraps. Dogs are not required to share our food! Consider treats and scraps for your pet in the same way that you would candy for children to help you keep them in check. If you’re going to utilize snacks for training, choose low-calorie, low-fat ones and keep the portions small. 

As an alternative, keep in mind that clickers are excellent for reinforcement… and they have no calories! After all, a few extra pounds can make a significant impact in the lives of dogs, which are significantly smaller than humans. (Even the colossal breeds!) Therefore, focus on a balanced diet and resist the temptation to “reward” them with extra.

Customize Your Dog’s Diet

Not all weight-loss foods are created equal, which is why it’s critical to match your dog’s nutrition plan to their unique needs. Choose a brand that caters to your dog’s unique needs, whether they be weight control, dietary sensitivities, or illnesses.

Conclusion on Irish Terrier Growth Chart

We’ve supplied you with information, growth charts, and growth calculators in this post to help you predict how large your Irish Terrier will grow. These tools will also assist you in determining whether or not your Irish Terrier is growing normally.

The best way to track and forecast your Irish Terrier’s growth, however, is to weigh and record your puppy Irish Terrier’s weight every week.

It is critical that every Irish Terrier owner monitors their Irish Terrier’s growth for proper growth by frequently weighing their Irish Terrier. Regular weight monitoring will allow you to discover any abnormal growth before it’s too late. Earlier in this post, we explained how you may detect if your Irish Terrier is growing normally based on your Irish Terrier’s weight history.

Abnormal growth in an Irish Terrier can be caused by underlying sickness (such as cardiac, hormonal, or bone issues) or by overfeeding or underfeeding. All of the aforementioned factors shorten the lifespan and quality of life of the Irish Terrier.

Frequently Asked Questions:

When do Irish terriers reach full maturity?

When an Irish Terrier puppy is 14 months old, he or she will have reached these full-grown dimensions. What exactly is this? However, keep in mind that not all small to medium-sized dogs are ideal for apartment living. You should always evaluate a breed’s energy level to determine which type of environment they would thrive in.

Are Irish Terriers smart?

However, with that strong terrier temperament comes the requirement for early training and socialization. Irish Terriers are incredibly intelligent and easily trained, but any instruction must accommodate their independent, willful nature.

Do Irish Terriers enjoy cuddling?

Irish terriers are exceptionally devoted, loving, and kind with all members of their family, big and tiny. They are both enjoyable to play with and delightful to cuddle with. They can also work with any size household.

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