

Hendricks County Animal Control/Shelter
Aging and your Cat or Dog
Aging and your Cat
| Age of Cat |
Equivalent
Human Age
Life Stages
Pediatric 0-1 Year Adult 1-6 Years Senior 7-9 Years Geriatric 10+ Years
Life Stages
Pediatric 0-1 Year Adult 1-6 Years Senior 7-9 Years Geriatric 10+ Years |
| 6 Months | 10 Years |
| 1 Year | 15 Years |
| 18 Months | 20 Years |
| 2 Years | 24 Years |
| 3 Years | 28 Years
- This method utilizes averages only.
- Some breeds mature faster or slower. - Many factors contribute to how your dog ages including genetics, diet and nutrition, exercise, environment, health care, disease, and the human-pet bond. In General - Dogs that are normal weight tend to live longer than overweight dogs. - Low-fat, high-fiber diets can increase a dog's life expectancy. - Smaller breeds tend to live longer than larger breeds. - Mixed breeds often live longer than purebred dogs. - Neutered and spayed dogs often live longer than intact dogs. - Dogs that live mostly indoors usually live longer than outdoor dogs. - Dogs that receive vaccinations and preventative veterinary checkups tend to live longer. - A lot of love and attention can increase a dog's life expectancy. Average Life Spans - Smalls Breeds (1-20 pounds) 12-14 Years - Medium Breeds (21-50 pounds) 10-12 Years - Large Breeds (51-90 pounds) 7-8 Years - Giant Breeds (over 90 pounds) 7-8 Years - Oldest recorded age for a dog 29 Years |
| 4 Years | 32 Years |
| 5 Years | 36 Years |
| 6 Years | 40 Years |
| 7 Years | 44 Years |
| 8 Years | 48 Years
- This method utilizes averages only.
- Some breeds mature faster or slower. - Many factors contribute to how your cat ages including genetics, diet and nutrition, exercise, environment, health care, disease, and the human-pet bond and most notably, whether your cat stays indoors or outdoors. In General - Cats that are normal weight tend to live longer than overweight cats. - Low-fat, high-fiber diets can increase a cat's life expectancy. - Mixed breeds cats tend to live longer than purebred cats. - Neutered and spayed cats often live longer than intact cats. - Indoor cats live far longer than outdoor cats. - Cats that receive vaccinations and preventative veterinary checkups tend to live longer. - A lot of love and attention can increase a cat's life expectancy. Average Life Spans - Outdoor Cat 3-8 Years - Indoor Cat 12-15 Years - Oldest recorded age for a cat: 39 Years |
| 9 Years | 52 Years |
| 10 Years | 56 Years |
| 11 Years | 60 Years |
| 12 Years | 64 Years |
| 13 Years | 68 Years |
| 14 Years | 72 Years |
| 15 Years | 76 Years |
| 16 Years | 80 Years |
| 17 Years | 84 Years |
| 18 Years | 88 Years |
| 19 Years | 92 Years |
| 20 Years | 96 Years |
| 21 Years | 100 Years |
Aging and your Dog
| Age of Cat |
Equivalent
Human Age |
| 6 Months | 10 Years |
| 1 Year | 15 Years |
| 18 Months | 20 Years |
| 2 Years | 24 Years |
| 3 Years | 28 Years |
| 4 Years | 32 Years |
| 5 Years | 36 Years |
| 6 Years | 40 Years |
| 7 Years | 44 Years |
| 8 Years | 48 Years |
| 9 Years | 52 Years |
| 10 Years | 56 Years |
| 11 Years | 60 Years |
| 12 Years | 64 Years |
| 13 Years | 68 Years |
| 14 Years | 72 Years |
| 15 Years | 76 Years |
| 16 Years | 80 Years |
| 17 Years | 84 Years |
| 18 Years | 88 Years |
| 19 Years | 92 Years |
| 20 Years | 96 Years |
| 21 Years | 100 Years |