Maine Coon cats, unlike most breeds, reach their full physical maturation by the age of 3-5 years. The weight of the cat will be vary by gender and, of course, genetics. According to standard weight of the average individual ranges between 6 and 10kg, total length with tail reaches 110-120 cm, height is from 25 to 41 cm, males are significantly larger than females.
Maine Coons grow up to two times faster than other domestic cats. They are can easily gain up to 1 kg of weight per month during the fast period growth. It is important that the weight of cats is controlled and they do not become too thick, otherwise the risk of health problems can also double. The weight of adult Maine Coon boys averages 5.7-10.0 kg, girls – from 4.5 to 7.5 kg.
Maine Coon Monthly Weight Table
Below is a table of Maine Coon weights by week and month and british shorthair weights for comparison.
| Kitten Weight by Month | Maine Coon cat weight, g / kg | Maine Coon cat weight, g / kg | British cat weight | British cat weight |
| Weight of a newborn kitten | 120-140 | 120-160 | 60-140 | 70-140 |
| Kitten weight 1 week | 180-230 | 200-260 | 110-250 | 240-260 |
| Kitten Weight 2 weeks | 280-340 | 300-360 | 150-360 | 340-400 |
| Kitten weight 3 weeks | 420-550 | 440-600 | 210-420 | 400-630 |
| Kitten weight 4 weeks (1 month) | 560-680 | 630-750 | 250-600 | 550-740 |
| Kitten weight at 2 months | 1.1-1.4 | 1.2-1.5 | 450-900 | 1.0-1.7 |
| Kitten weight at 3 months | 1.7-2.3 | 1.8-2.3 | 1.0-1.5 | 1.5-2.5 |
| Kitten weight at 4 months | 2.7-3.6 | 3.0-3.8 | 1.7-2.4 | 2.1-3.9 |
| Kitten weight at 5 months | 2.9-3.9 | 3.2-5.5 | 2.2-2.9 | 2.6-4.3 |
| Kitten weight at 6 months | 3.2-4.0 | 3.9-6.0 | 2.3-3.6 | 3.0-5.4 |
| Kitten weight at 7 months | 3.5-4.1 | 4.2-6.5 | 2.4-3.9 | 3.3-5.6 |
| Kitten weight at 8 months | 3.8-4.3 | 4,5-6,9 | 2.5-4.1 | 3,5-6,0 |
| Kitten weight at 9 months | 4.1-5.0 | 5.0-7.0 | 2.5-4.3 | 3.8-6.4 |
| Kitten weight at 10 months | 4.2-5.5 | 5.2-7.7 | 2.5-4.4 | 4.1-6.7 |
| Kitten weight at 11 months | 4.3-6.0 | 5.7-8.0 | 2.5-4.5 | 4.3-6.8 |
| Kitten weight at 12 months / 1 year | 4,5-6,3 | 5.7-9.0 | 2.5-4.6 | 4,5-7 ,0 |
| Kitten weight at 24 months / 2 years | 4,5-7 | 5.7-9.5 | ||
| Weight of adult cat and cat in 5 years | 4,5-7,5 | 5.7-10.0 | 2.5-5.5 | 4,5-8,0 |
| Weight of castrated and sterilized cats and cats | 4,5-10 | 5.7-12.0 | 2.5-6.0 | 4,5-9,5 |
Maximum weight and size
Maine Coon reaches its almost maximum weight and size in age 2 years or 24 months. However, if a young cat programmed to be larger than average, then he or she can develop up to 3 or even 5 years. During this time she will develop musculature and will be slightly increase weight.
Record holders
According to the Guinness Book of Records, the longest cat is considered Maine Coon Stewie, full name is Stuart Gilligan. Its length was 123 cm. The record was set in the United States, August 28, 2010. Stewie died in 2013. The current record holder for length is still one Maine Coon cat named Ludo, whose length is 118.33 cm.
Photo Stewie:
Factors Affecting Weight and Size
One of the main factors that affect a cat’s size is its ration. A kitten that feeds well and often on breast milk the first days and weeks of life are likely to grow faster and will become larger. After switching to self-catering, to reach Maine Coon its maximum size is called for a healthy A diet rich in protein and nutrients. Healthy eating quality dry feed and / or wet feed provide the cat with proper nutrition, which will contribute to healthy growth.
However, the dimensions of the adult Maine Coon are determined before total, his genetics, the size of both his parents and the pedigree. Therefore, the weight and height of a kitten, especially at an early age, are poor performance of its final size. Some kittens grow earlier than others, and some continue to grow to 4 or more years.
Maine Coons – big cats with powerful muscles therefore, the next factor affecting growth is physical activity. In this Maine Coon are similar to other breeds, they possess huge amount of energy, so they can and should be stimulate with various games. To do this, they will need toys and the one you can play with. Cats that do not perform regular physical exercise may soon begin to suffer from obesity.
Many owners teach their coons to walk on a leash or in the team, so that you can walk with them, like with dogs. So cats will be able to enjoy the walk and it will be a great exercise not only for the cat, but also for you.
Genetic factors
If the kitten’s parents are large, then he has also very high chances to reach maximum sizes breed. Genetics is the most important determinant and weight, and length, and height of the animal. Although this does not necessarily mean that the cat will weigh exactly as much as her parents. Is always it remains likely that grandparents will be able to pass on their genes to their descendants.
