Large breed · 12 to 22 lb · Lifespan 12 to 15 years

Maine Coon: Age, Weight, Lifespan, and Health

Maine Coons are the largest domestic cat breed by frame, with long tufted ears, big paws, and tails that look like raccoon brushes. Slow-maturing, friendly with dogs and children, and prone to a specific cluster of inherited issues.

Maine Coon age in human years

Based on the AAFP/AAHA feline life stage chart. Year one alone equals roughly 15 human years. Year two adds about 9 more. After that, each cat year is roughly 4 human years.

Cat ageHuman-year equivalentLife stage
1 year15junior
2 years24prime
5 years36prime
8 years48mature
10 years56senior
15 years76geriatric

Feeding Maine Coons

Big cats with high energy needs. Use the higher end of the food range for an indoor-active Maine Coon. Watch for excess weight around the abdomen, which is the first place this breed packs on fat.

General cat feeding math: indoor adult cats need roughly 20 to 25 kcal per pound of ideal body weight per day. A 12to 22 lb Maine Coon needs about 240 to 550 kcal per day. Plug your kibble's kcal-per-cup from the bag to convert to cups.

Common health issues in Maine Coons

These are the conditions most commonly reported by veterinarians and breed-club health surveys for Maine Coons.

  • Hypertrophic cardiomyopathy
  • Hip dysplasia (yes, in cats)
  • Spinal muscular atrophy
  • Polycystic kidney disease
  • Dental disease
  • Obesity
Higher vet-cost profile

The Maine Coon's health profile tends to push lifetime vet costs above average. Run the pet insurance break-even calculator with a real quote before deciding whether a policy or a savings account is the better choice.

Run the pet insurance break-even calculator →

Frequently asked about Maine Coons

How long do Maine Coons live?

Most Maine Coons live 12 to 15 years, with a midpoint around 14. Senior-stage vet care usually starts around age 9.

What is the human-age equivalent for a Maine Coon?

Cat aging is more uniform across breeds than dog aging. The first year of a cat's life equals roughly 15 human years on its own. Year two adds about 9 more, putting a 2-year-old cat near 24 in human terms. Every year after that adds about 4 human years.

What should I feed my Maine Coon?

Big cats with high energy needs. Use the higher end of the food range for an indoor-active Maine Coon. Watch for excess weight around the abdomen, which is the first place this breed packs on fat. For the general formula, use the food portion math at adjustingstudio.com/paws/tools/food-portion-calculator. The dog version is also useful for cats once you adjust the activity multiplier downward for typical indoor housecats.

Is pet insurance worth it for a Maine Coon?

Maine Coons carry above-average lifetime vet costs, driven by the breed-specific issues listed above. Insurance break-even math usually favors a policy taken out before any condition shows on the medical record.

What health issues are most common in Maine Coons?

The most commonly reported issues for this breed are: Hypertrophic cardiomyopathy, Hip dysplasia (yes, in cats), Spinal muscular atrophy, Polycystic kidney disease. Annual vet visits and breed-specific genetic testing (where available) are the standard preventive baseline.

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