Cat Lifespan Estimator
This gives a rough range only. Many cats live longer or shorter than average.
For true health assessment, ask your vet about your cat’s body condition score.
FAQ
How accurate is this calculator?
It’s a fun, simplified estimate based on typical veterinary guidelines. Every cat is different, so always check with your vet for personalized advice.
Can kittens use this calculator?
Yes, but kittens grow quickly and often break the normal rules. For anything health-related, your veterinarian will give the most accurate guidance.
Does breed affect the results?
Yes. Some breeds mature faster or have longer average lifespans. These calculators give general estimates for most domestic cats.
How long do indoor cats usually live?
Indoor cats often live 12–18 years, sometimes longer. Outdoor cats may have lower averages due to environmental risks.
Does weight affect lifespan?
Yes. Ideal body condition is strongly associated with longer lifespan compared to overweight or obese cats.
Do certain breeds live longer?
Some do! Mixed-breed domestic shorthairs tend to live the longest on average. Purebreds vary widely by genetics.