Maine Coon Size Chart

Maine Coon Size Chart – How Big Will Your Maine Coon Get?

Are you looking for a Maine Coon size chart to compare the size of your kitten to others? Many people are mesmerized by the size of mature Maine Coon cats. They are the largest domestic house cats.

Many new Maine Coon owners wonder how their new kitten compares in size to others. It’s hard to guess how much one weighs from looking at a photograph. There are many tricks used to make their Maine Coons look larger than life. Really, the only way to know for sure is to adopt a Maine Coon kitten and watch him grow into a big beautiful adult.

The data shown in this article has been compiled from actual Maine Coon Kittens and cats, some being tracked from kitten ages to adults. This will help determine the “average” weights that you can expect based on the gender and age of your cat.

The following Maine Coon Size Chart is separated into several sections:

Male Maine Coon Weight Chart

Name4 Mos6 Mos1 Year2 Years3 Years4 Years5 Years
Finlay4.88.814.815.816.517.819
Omega7.19.82227.92931N/A
Biggie4.29.817.1222629N/A
Illuminati5.78.51314.5N/AN/AN/A
Headhunter6.59.21718N/AN/AN/A
BeastieN/A9.5N/AN/AN/AN/AN/A
AVERAGE5.79.216.819.623.825.9
The weights on this Maine Coon size chart are taken from males, ages 4 months to 5 years old.
Any missing data would indicate that the cat participating in this Maine Coon size chart is not old enough to collect the date for the table yet.

Female Maine Coon Weight Chart

Name4 mos6 Mos1 Year2 Years3 years4 Years
Ursula56.410.310.6N/AN/A
Tiffany4.9791010.8N/A
America6.98.511.6N/AN/AN/A
Valkyrie4.46.87N/AN/AN/A
Lilly Anne6.68.311.512.8N/AN/A
NatalieN/AN/A912N/AN/A
Zsa Zsa5.98.111.7N/AN/AN/A
Blanche4.87.5N/AN/AN/AN/A
AVERAGE5.57.51011.4
The weights on this Maine Coon size chart are taken from females, ages 4 months to 5 years old.
Any missing data would indicate that the cat participating in this Maine Coon size chart is not old enough to collect the date for the table yet.

Are Male Maine Coons Bigger than Females?

While it may be true that a male Maine Coon will be considerably larger tha a female, it is possible that a female will grow to be as big. This will depend on the genetics and the lines being used for breeding. It’s hard to predict how big your Maine Coon kitten will be upon maturity.

There’s a significant between the size of male and female Maine Coons. In the photo below you’ll see a female Maine Coon at 12 pounds , and a Male Maine Coon at 19 pounds. You’ll see her size compared to him. This is what you can expect from the average sized Maine Coon.

maine coon size chart
Female Maine Coon on left (12 Pounds) Male Maine Coon on right (19 pounds).

Maine Coon Kitten Size Chart

The charts below track the weight of kittens from birth to 8 weeks old. Enough data was collected to have a good idea of the average weights of Maine Coon kittens. Even a large size cat has sweet little baby sizes infants. Therefore, the size of a Maine Coon Kitten hasn’t a direct effect on the size when they’re fully grown.

Boy Maine Coon Kittens

Kitten NameBirth Weight1 Week2 Weeks4 Weeks6 Weeks8 Weeks
Gilmour4.7 oz9 oz13.3 oz1.7 lb2 lb3 lb
Freddie4.7 oz9.7 oz15.2 oz1.8 lb2.10 lb3.8 lb
Dio4.1 oz8.9 oz10.6 oz1.3 lb1.7 lb2 lb
Dimebag4.7 oz8.9 oz13.9 oz1.5 lb1.14 lb2.9 lb
Floyd4.0 oz8.8 oz10.7 oz1.7 lb2.5 lb3.4 lb
Syd4.2 oz8.7 oz10.7 oz1.12 lb2.7 lb3.6 lb
Spike4.2 oz8.5 oz11.6 oz1.3 lb2.4 lb3.8 lb
Lambert4.5 oz8.4 oz12.2 oz1.8 lb2.3 lb3 lb
Bad Boy5.3 oz9.8 oz1 lb2 lb2.8 lb4 lb
Barchetta5.6 oz10.5 lb1.2 lb2.2 lb3 lb4.2 lb
AVERAGE4.6 oz9.12 oz13.1 oz1.7 lb2.3 lb3.4 lb

Girl Maine Coon Kittens

Kitten NameBirth Weight1 Week2 Weeks4 Weeks6 Weeks8 Weeks
Pink3.5 oz8 oz12 oz1.1 lb1.9 lb2.3 lb
Clare4.4 oz8.7 oz13.4 oz1.4 lb2.4 lb3 lb
Julia Dream 4.3 oz9.3 oz13.2 oz1.6 lb1.14 lb2.9 lb
Sweet Leaf4.2 oz8.9 oz11.6 oz1.3 lb1.14 lb2.5 lb
Torry3.6 oz7.3 oz10.8 oz1.2 lb1.6 lb2 lb
Clover4.0 oz8 oz12.4 oz1.4 lb1.10 lb2.5 lb
Joan4.9 oz8.9 oz13.6 oz1.2 lb2 lb2.8 lb
Marilyn4.3 oz8.5 oz13.2 oz1.10 lb2.8 lb3.5 lb
Zsa Zsa4.6 oz9 oz13.8 oz1.8 lb2.6 b3.7 lb
Dejavu4.3 oz8.8 oz13.6 oz1.8 lb2.5 lb3.2 lb
AVERAGE4.2 oz8.5 oz12.8 oz1.4 lb1.9 lb2.8 lb

With this in mind, you can see that Maine Coon cats come in many different sizes. Specifically, the males will weigh about 25 pounds and the females will weigh 13. This breed is slow to mature, so it will take up to 5 years to see the full grown size.

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