Cat Age Calculator: How Old is Your Cat in Human Years?
Unlock the mystery of your feline friend’s age in human terms! Understanding your cat’s equivalent human age offers valuable insights into their health, behavior, and care needs at every life stage.
Cat Age Calculator
Enter your cat’s age to see results
Cat Age Conversion Guide
- 1 cat month = 1 human year (first month)
- 3 cat months = 5 human years
- 6 cat months = 10 human years
- 1 cat year = 15 human years
- 2 cat years = 24 human years
- Each year after = +4 human years
How Do Cats Age Compared to Humans?
Cats mature rapidly in their early years, then age more steadily as adults. Here’s the general breakdown:
- First Year = ~15 human years
- Second Year = ~24 human years
- Each Year After = +4 human years
Our calculator uses this widely accepted model (endorsed by the AAHA and International Cat Care) to estimate your cat’s human age.
Key Feline Life Stages
| Cat Age | Human Equivalent | Life Stage | Traits |
|---|---|---|---|
| 0–6 mos | 0–10 yrs | Kitten | Rapid growth, playful, learning |
| 7 mos–2 yrs | 12–24 yrs | Junior | Reaching full size, adult behavior |
| 3–6 yrs | 28–40 yrs | Prime Adult | Peak health, active, social |
| 7–10 yrs | 44–56 yrs | Mature Adult | Early aging signs (e.g., slower movement) |
| 11–14 yrs | 60–72 yrs | Senior | More noticeable aging; needs monitoring |
| 15+ yrs | 76+ yrs | Geriatric | Requires tailored care for comfort |
Did you know? Indoor cats often live longer than outdoor cats.
Factors That Influence Cat Aging
While genetics play a role, these variables affect your cat’s lifespan:
- Diet & Weight: Obesity can shorten lifespan.
- Healthcare: Regular vet visits prevent/detect issues early.
- Environment: Indoor cats face fewer risks (e.g., accidents, diseases).
- Breed: Some breeds (e.g., Siamese) live longer than others.
Pro Tip: Senior cats (11+ years) should see the vet every 6 months.
Explore More
- How to Extend Your Cat’s Lifespan
- Dog vs. Cat Aging: Key Differences
- Full List of Pet Age Calculators
Curious about your cat’s next life stage? Read our complete guide to feline aging.
Why It Matters
Knowing your cat’s human-age equivalent helps you:
✔ Adjust diet/exercise for their needs
✔ Spot age-related health changes early
✔ Strengthen your bond through tailored care