Petsay
October 14, 2026
By Haseeb Rehman
American Bulldogs grow fast in their first year. A small puppy can turn into a strong and heavy dog before you know it. If you are raising a puppy at home then knowing the usual size and weight at each age helps you track growth. It also helps you spot problems early.
Not every American Bulldog grows at the same speed though. Genes and sex play a part. So do body type and food. Some dogs have a lighter build and others are wider and heavier. Think of a growth chart as a guide and not a strict rule.
Your puppy may weigh a little less or a little more than the chart and still be healthy. Look at the body shape and how the weight changes over time. Call your veterinarian if your puppy stops gaining weight. Call too if your puppy seems to grow much faster than expected.
This guide covers puppy weight from 1 to 6 months and growth from 6 to 12 months. You will also see adult height and weight and the usual difference between males and females. Plus you will learn how to track growth without staring only at the number on the scale.
Male: 22–28 inches (55–71 cm)
Female: 20–26 inches (50–58 cm)
Male: 70–135 pounds (32–60 kg)
Females: 60–105 pounds (27–46 kg)
10-12 to 13 years
Growth stage or feature | What to expect |
Birth | Around 5–10 pounds in the growth chart |
3 months | About 20–35 pounds for males and females |
6 months | Around 40–65 pounds for males and 35–55 pounds for females |
12 months | About 60–100 pounds for males and 50–85 pounds for females |
Adult male | Commonly listed at 70–120 pounds |
Adult female | Commonly listed at 60–100 pounds |
Height growth | Many reach close to their full height around 12–18 months |
Muscle development | Some dogs keep filling out until 2–3 years |
Main growth factors | Genetics, sex, body type, diet, and health |
Yeah friend. Aussiedoodles are usually awesome with kids and other pets. They are super friendly playful and love being part of the Family. With kids they are gentle but still energetic because they are great for playing in the yard or just hanging out. The only thing is since they come from a background They might try to little to kids sometimes but that is something you can easily fix with basic training. When it comes to the other pets Aussiedoodles do really best with dogs like Golden Retriever Labrador Retriever and even smaller dogs like French Bulldogs. Because they are social and love having a buddy friend. They can also get along with cats especially calm breeds like Ragdoll or Maine Coon cats. If they are introduced the right way from a young age. The key is early socialization and make sure your dog learns to behave around others. If you do that an Aussiedoodle can fit into a home full of kids and pets and still be everyone’s favorite companion.
Yeah friend. Aussiedoodles are usually awesome with kids and other pets. They are super friendly playful and love being part of the Family. With kids they are gentle but still energetic because they are great for playing in the yard or just hanging out. The only thing is since they come from a background They might try to little to kids sometimes but that is something you can easily fix with basic training. When it comes to the other pets Aussiedoodles do really best with dogs like Golden Retriever Labrador Retriever and even smaller dogs like French Bulldogs. Because they are social and love having a buddy friend. They can also get along with cats especially calm breeds like Ragdoll or Maine Coon cats. If they are introduced the right way from a young age. The key is early socialization and make sure your dog learns to behave around others. If you do that an Aussiedoodle can fit into a home full of kids and pets and still be everyone’s favorite companion.
The first 6 months bring fast change. Your puppy’s legs grow and the body gets longer. Slowly the strong frame of the breed starts to show. Weight can go up quickly at this stage. Still every puppy grows in its own way.
A puppy’s weight is only one part of the picture. Check its body shape and energy level too. A healthy puppy should not become very thin or gain so much fat that it is hard to feel its ribs with gentle pressure.
Here are a few useful habits:
Too much food will not make an American Bulldog taller. Extra calories can lead to fast weight gain and put more pressure on developing joints. A steady growth pattern is a better goal than reaching a certain number as quickly as possible.
Exercise Needs
High Daily Walks
Health Issues
Medium Risk Joints Skin
Grooming Needs
Low Weekly Brush
Training Needs
Early Firm Training
Shedding Level
Medium Shedder
Friendliness
People Lover
Playfulness
Forever Fun
Energy Level
Always On-the-Go
Apartment Living
Compact Friendly
Cold Weather Tolerance
Mild Chiller
Warm Weather Tolerance
Summer Ready
First-Time Owner Suitability
Beginner Friendly
Good with Kids
Family Favorite
Good with Cats
Feline Friendly
Good with Other Dogs
Pack Buddy
First-Time Social Suitability
Beginner Friendly
An age-based chart gives you a rough idea of how an American Bulldog may grow. The following estimates include weight and height at several stages. They are not exact targets for every dog.
These numbers show the general path of your dog’s growth. They are not a strict rule for what your dog must weigh on each birthday. Two puppies of the same age can look different because they come from different family lines.
To measure height at home let your dog stand on a flat floor with its legs in a natural position. Measure from the floor up to the withers. This is the highest point of the shoulders and not the top of the head. Use the same way every time so you can compare your notes easily.
Keep a simple record of your dog’s age and weight and height and food and any health changes. This gives you a better picture than a single measurement. If your dog is outside the chart do not worry right away. Look at how your dog looks and feels overall and ask your vet if you are not sure.
By 12 months some American Bulldogs look almost fully grown. But that does not mean they have finished growing. Many reach close to their full height between 12 and 18 months. Muscle and body weight can keep growing until 2 to 3 years of age.
Focus on steady development rather than trying to make your puppy as big as possible. During this stage:
Imagine your 9-month-old dog weighs less than another American Bulldog of the same age. That difference alone does not prove your dog is underweight. The other dog may come from a larger line or have a different body type. Check your dog’s own growth record and body condition instead of comparing the two dogs by weight alone.
A number on the scale does not tell the whole story about your dog’s health. A broad and muscular American Bulldog can weigh more than a lean dog of the same height. What matters more is whether the weight fits your dog’s frame and body shape.
Signs of a Healthy Weight
If you cannot see a waist or you can hardly feel the ribs your dog may be carrying extra weight. A very thin body or sudden weight loss also needs your attention. Your vet can help you find a healthy weight range for your dog’s age and build and health.
A good diet helps your American Bulldog stay strong and active without gaining too much weight. The food should give your dog enough protein and other nutrients for healthy muscles and growth. Puppy adults and older dogs do not all need the same food so choose food that fits your dog’s age.
Puppies need food that supports slow and steady growth. Large-breed puppy food can be a good choice while they are growing. The goal is to help their bones and body develop properly without making them grow too fast.
Portion size matters too. Even a strong muscular American Bulldog can become overweight. Extra weight can put more stress on the hips elbows and other joints. Check your dog’s body shape and adjust food portions when needed.
Most adult American Bulldogs can do well with two meals a day. Puppies may need smaller meals more often. The right amount depends on the dog’s age, size , activity level and body condition so your veterinarian can help you choose the right portion.
Try not to make table scraps a normal part of every meal. Treats are fine in small amounts but they should not replace regular balanced food. If your dog needs a supplement for joint skin or another health problem ask your veterinarian before adding it to the diet.
An American Bulldog growth chart helps you know what to expect as your puppy gets bigger. Use the numbers as a guide and keep track of your dog’s weight and height. Also pay attention to how your dog looks and feels overall. Males are often larger than females but family lines and body type also play a part. The goal is not to raise the biggest dog on the street. The goal is to help your American Bulldog grow at a healthy pace and stay strong and fit for life.
