Cat Years to Human Years Chart
Quick lookup of your cat’s age in human years, with the matching life stage.
Adult cat age chart
| Cat age | Human years | Life stage |
|---|---|---|
| 1 year | 15 | Junior |
| 2 years | 24 | Junior |
| 3 years | 28 | Prime |
| 4 years | 32 | Prime |
| 5 years | 36 | Prime |
| 6 years | 40 | Prime |
| 7 years | 44 | Mature |
| 8 years | 48 | Mature |
| 9 years | 52 | Mature |
| 10 years | 56 | Mature |
| 11 years | 60 | Senior |
| 12 years | 64 | Senior |
| 13 years | 68 | Senior |
| 14 years | 72 | Senior |
| 15 years | 76 | Geriatric |
| 16 years | 80 | Geriatric |
| 17 years | 84 | Geriatric |
| 18 years | 88 | Geriatric |
| 19 years | 92 | Geriatric |
| 20 years | 96 | Geriatric |
| 21 years | 100 | Geriatric |
Kitten age chart
| Kitten age | Human years |
|---|---|
| 1 month | 1 year |
| 3 months | 4 years |
| 4 months | 7 years |
| 6 months | 10 years |
| 7 months | 12 years |
| 12 months | 15 years |
| 18 months | 21 years |
| 2 years | 24 years |
Life stages explained
| Stage | Age | What to know |
|---|---|---|
| Kitten | Birth – 6 months | Rapid growth. Needs kitten food, vaccinations, socialisation and a vet check-up plan. |
| Junior | 7 months – 2 years | Energetic and still filling out. Discuss spay/neuter timing and keep play and training consistent. |
| Prime | 3 – 6 years | Peak health. Keep weight in check and do a yearly wellness exam including dental checks. |
| Mature | 7 – 10 years | Metabolism slows. Watch weight, teeth and activity levels; ask your vet about senior-ready routines. |
| Senior | 11 – 14 years | Vets generally suggest wellness visits about twice a year. Watch drinking, appetite, mobility and litter habits. |
| Geriatric | 15+ years | Comfort first: easy-access litter boxes, soft bedding, regular vet monitoring and pain management. |