Big Maine coon at its maximum size on a sofa
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Maine Coon Cat Size

Last updated on December 5th, 2023 at 11:02 am

Maine coon cat size has always been a so much interesting discussion over so many years, because of its large and impressive size. The largest cat breed, the Maine Coon, is 10–16 inches tall, while typical cats are 9–10 inches. Maine Coons are heavier too, at 15 to 25 lbs, compared to 7.9 to 9.9 lbs for typical cats. Maine Coons can grow up to 40 inches due to their larger bodies.

They’re not only huge in size and height but also massive in personality they are the most giant domesticated cat breed and originated from the state of Maine. Their size from their tails to paws and fur make them very beautiful at first sight with long brushy hair.

Maine Coon Cat Size: How Big They Can Grow?

Maine Coon kittens grow very quickly compared to the average kitten size. All cats are different from each other and their sizes depend on their genetics. They have distinct features and personalities but their sizes remain quite similar in the same breed.

So here We will discuss everything about Maine coon cat size so let’s explore with me.

What Is The Average Male Maine Coon Cat Size?

Because they are directly descended from Norwegian Forest Cats, Maine Coons are naturally large cats. Their huge size is a result of their ancestry as wild cats that lived in Wiscasset, Maine. The slow development rate of Maine Coons allows their muscles and bone structure to become bigger and contributes to their size.

Maine coon cats are known to be the largest cat breed and they are most recognized in the world because of their huge sizes. This is also their unique feature.

On average, adult male Maine Coons typically weigh between 15 and 25  pounds 6.8 to 11 kg).

The average height of a male Maine Coon cat can vary, but generally, they stand around 10 to 16 inches (25 to 40 cm) at the shoulder. However, keep in mind that Maine Coons are a large and robust breed, so some individuals might be taller or shorter than this range. 

World’s Largest Domestic Cat:

World’s largest cat in the Guinness Book of World Records because of its size was a male Maine coon cat named Stewie. Its size was 48.5 inches (1.23m).

He also achieved the distinction of holding the record for the world’s longest cat tail. His full name was Mymains Stewart Gilligan and he died due to cancer. He was also known as the “Gentle Giant”.

Stewie - largest domestic cat

What is the Average Female Maine Coon Size?

While adult females usually weigh between 10-15 pounds (3.6 to 6.8 kg). However, there can be some variation within these ranges, as individual cats’ sizes can depend on factors such as genetics, diet, and overall health. 

The average height of a female Maine Coon cat is generally slightly smaller than that of males. Female Maine Coons typically stand around 8 to 14 inches (20 to 35 cm) at the shoulder.

If their weight goes to 30 pounds or 12-13 kg then it is not a good sign it is considered obesity or a health issue that should be overcome as soon as possible.

Male And Female Maine Coon Cat Size Comparison:

Male and female maine coons both are called Gentle Giants due to their big size and friendly have playful nature. Male Maine coons are larger in weight and height than female Maine coons.


15-25 lbs.10-15 lbs.

10-16 in.8-14 in.

19-40 in.
18-39 in.

How They Grow?

Male Maine coons are more active and learn more skills than female Maine coons. They spend more time playing with their owners or with some other pet animals at home. While female Maine Coon cats are more reserved, male Maine Coon cats are often more gregarious and sociable.

Male Maine coons require larger pet houses than Females. Also, you might need to pay extra for litter boxes, cat food, and toys for males. Even male Mane coons resort to sexual aggression toward females even if they are neutered or sprayed.

In the below video male and Female Maine coons big differences are addressed, So let’s get to know about the biggest facts.

The male and female Maine Coons differ mostly in the size of the head. While females often have rounder heads with a less defined face, men typically have broader heads that taper down to a narrower snout. Maine coons are, in general, great family pets, quite energetic and involved.

What Is The Maine Coon Kitten Size?

All cats can grow normally but don’t expect from Maine coons kittens. The features of Maine coon kittens are larger than other cat breeds i.e. their paws and ears. Maine Coon kittens are usually born weighing around 3.5 to 4.5 ounces (100 to 130 grams) on average.

Over their first few weeks of life, they tend to gain weight rapidly. When Maine Coon kittens are around 8 to 12 weeks old, they might weigh anywhere from 2 to 4 pounds (0.9 to 1.8 kg) or more. 

The below picture is of a 13-week-old kitten, Its name is “Jenny” and the owner is so excited to have him.

Maine Coon Cat Size: How Big They Can Grow?

Maine Coon Kitten Size Table:

The below table shows kitten sizes from newborn to one month, It shows how quickly kittens gain weight.

AgeMale KittenFemale Kitten
Newborn   100-130 gm 80-110gm
1 Week190 – 290 g160 – 260 g
2 Weeks290 – 430 g280 – 410 g
3 Weeks430 – 600 g410 – 550 g
1 Month620 – 820 g550 – 740 g
Kitten sizes

Below we can see the picture of a 3-month-old kitten named Bellamy, and it just looks like a normal-sized big cat.

Maine Coon Cat Size: How Big They Can Grow?

If you neuter or spay your pet before it reaches sexual maturity (which takes approximately a year), it cannot develop to its maximum size due to a lack of growth hormones.

At What Age Does Maine Coon Reach Their Full Size?

The next important consideration is when do Maine coon cats reach their full size? We have conducted full research on the age of Maine coons reaching their maximum size. Different owners had different reviews but mostly all had relatively the same answers.

According to research, Maine coons have a slow growth rate, they reach its full size at the age of 4,5 years.while Normal cats gain its full size at the age of two years.

Due to that obvious difference, Maine coon owners become so panicky and thought that they did not give too much food to their loving cats, that’s why they are so weak and did not gain full size compared to normal cats. So, they gave too much food to Maine coons which leads to obesity problems in these beautiful felines.

Dog Of The Cat’s World :

Maine coon cats are long-haired and large and are also recognized as good hunters. Male Maine coons are very intelligent and trained like dogs than female Maine coons. But as compared to dogs in terms of size, they are like small to medium-sized dogs.

These are typically the largest in height than other cat breeds so they are known as the ‘dog of the cat world’. They have some other similar characteristics to dogs.

Maine coon cat and dog sitting on a couch in home

Maine Coon Size As Compared To Dogs:

Golden Retriever:

A fully grown Maine Coon can be similar to a small to medium-sized Golden Retriever. The average weight of a Golden Retriever ranges from 55 to 75 pounds (25 to 34 kg), while a large Maine Coon cat can weigh around 13 to 18 pounds (5.9 to 8.2 kg).

Cocker Spaniel:

Maine Coon cats are generally larger than Cocker Spaniels, but not by a huge margin. Cocker Spaniels usually weigh between 20 to 30 pounds (9 to 13.6 kg), which is still smaller than a large Maine Coon.


Beagles are a small breed, and most Maine Coon cats are significantly larger than them. Beagles typically weigh around 18 to 30 pounds (8 to 13.6 kg).

French Bulldog:

Maine Coon cats are notably larger than French Bulldogs, which are a small breed weighing around 16 to 28 pounds (7.3 to 12.7 kg).

Also, read more about Maine coon comparisons to other cats or animals in our article:

Maine Coon Size Comparison: How big are Maine Coon Cats?

Maine Coon Vs Other Domestic Breed:

One of the largest cat breeds in existence today, and one of the most popular breeds worldwide, There is no comparison with normal domestic cats as they are so giant. Even the smallest Maine Coon size is about equal to a large domestic house cat.

three cats looking out from window

Average Weight Of A Domestic Cat:

Adult male domestic cats typically weigh between 9 to 11 pounds (4.1 to 5 kg), although this can vary significantly.

Adult female domestic cats usually weigh between 7 to 9 pounds (3.2 to 4.1 kg).

Average Height Of A Domestic Cat:

The average height of a normal domestic cat can vary quite a bit, as there are many different breeds and variations within the domestic cat population.

On average, most domestic cats have a shoulder height of around 9 to 10 inches (23 to 25 cm). This measurement is taken from the ground to the top of the shoulders when the cat is standing on all fours.

SizeMaine coonDomestic Cat
Weight6.8 to 11kg4.1 to 5 kg
Height8 – 16 inches9-10 inches
Lenght19 – 40 inches18 inches

Why Maine Coons Are So Big?

They are the Longest Cat in the Guinness Book of World Records and they have beaten all other cats because they are the longest cats.

Maine Coon Size: Scientific Explanation:

Their strong bone structure and rectangular shapes of the body make them unique and largest.

Their thick fur, which is made up of two silky thick undercoats of hair and an outside layer of long protective hair, covers their entire body to keep them warm during the winter months.

The ‘square-cube law’ theory explains why Maine coon is so large compared to other breeds.

The Maine Coon cat breed is packed out by its fur, which increases its size and makes it appear much larger than other cat breeds.

Myths Related To Maine Coon Cat Size:

There are many stories and predictions many people have created over the years about this giant creature’s size, and they are all myths. But still, many people believe in them.

Wild Ancestry:

According to a belief, the great size of Maine Coons is a result of their wild progenitors. In actuality, their size is more a result of selective breeding over many generations.

Cold Climate Adaptation:

Some people believe that Maine Coons evolved to grow large to live in frigid climes. Genetics, not simply environmental circumstances, affects size.

Interspecies Mating:

Another misconception is that raccoons or bobcats are used as breeding partners for Maine Coons. The biological impossibility of this results from species differences.

Specific Diet:

This myth claims that Maine Coons requires a specific diet to reach this size. But it is an exaggeration, as a proper diet is important, but heredity determines their size to a greater extent.


So, Finally, we concluded that Maine coons cat sizes are not only huge but also massive. They are themost giantt domesticated cat breed and originated from the state of Maine. Male Maine coons are comparatively larger in weight and height and also they are more active and intelligent than female Maine coons.

According to research, Maine coons have a slow growth rate, they reach their full size at the age of 4,5 years. while Normal cats gain their full size at the age of two years. Still, each cat is unique and has various personalities.

Frequently Asked Questions:

A full-grown Maine Coon is typically a large and impressive cat breed. On average, male Maine Coons can weigh between 13 to 18 pounds (5.9 to 8.2 kilograms) or even more, and they can measure around 10 to 16 inches (25 to 40 centimeters) in height at the shoulders. Female Maine Coons are slightly smaller, with an average weight ranging from 8 to 12 pounds (3.6 to 5.4 kilograms).

Some possible examples of cats that can be larger than Maine Coons include Savannah cats and Norwegian Forest cats.

Maine Coons are strong and muscular, but they are not necessarily the strongest cat breed. Other large and robust breeds like the Chausie or the Bengal could also be considered strong.

Maine Coons typically eat commercial cat food, which can include both wet (canned) and dry (kibble) options. A balanced diet of high-quality cat food, formulated to meet their nutritional needs, is essential for their health. It’s important to consult with a veterinarian to determine the appropriate type and amount of food for your specific Maine Coon.

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