Free cat tool
Cat age calculator. How old is your cat, really?
The old multiply-by-seven rule is a myth. Cats grow up fast in their first two years, then age more slowly. Pick your cat's age and we will show you the human equivalent.
Cat Age Calculator
While the "multiply by 7" rule is a myth, cats do age differently than humans. Use this calculator for a more accurate estimate!
Your 10-year-old cat is approximately 56 in human years!
Cats enter their senior years around 10-12 (equivalent to humans in their mid-50s to 60s).
How it works
Why not just multiply by seven?
Cats age on their own schedule
Ever wondered how old your cat really is in human years? The old “multiply by 7” rule is actually a myth! Cats age differently than humans, with their first year equivalent to about 15 human years, and subsequent years adding varying amounts based on their life stage.
Our interactive Cat Age Calculator gives you a more accurate understanding of your feline friend’s age in human terms. Simply enter your cat’s age in years, and we’ll show you the human equivalent. This helps put your cat’s behavior, health needs, and life stage in better perspective. Understanding your cat’s true “human age” can help you provide the appropriate care and enrichment for their specific life stage.
Cat years at a glance
| Cat age | Human age |
|---|---|
| 1 year | 15 |
| 2 years | 24 |
| 3 years | 28 |
| 5 years | 36 |
| 7 years | 44 |
| 10 years | 56 |
| 12 years | 64 |
| 15 years | 76 |
| 18 years | 88 |
| 20 years | 96 |
After age two, each cat year is roughly four human years.
Life stages
What your cat's age means for their care
Vets group cats into four life stages. Each one comes with slightly different needs.
0 to 1 year
Kitten
Growing fast and learning everything. Plenty of play, kitten food and their first vet visits.
1 to 6 years
Young adult
Full of energy and at their physical peak. Keep up the play, healthy weight and yearly checkups.
7 to 10 years
Mature adult
Starting to slow down a little. Watch their weight and dental health, and keep them moving.
10 years and up
Senior
The golden years. Twice-yearly vet visits, comfy beds and easy access to everything they love.
Every cat is different. Your vet is the best guide to your own cat's health and care.
More free tools
Keep the cat-curiosity going
Cat Name Generator
New kitten, no name yet? Get ideas matched to their personality, from classic to completely ridiculous.
Senior Cat Home Quiz
Is your home kind to older joints? A quick room-by-room check for cats in their golden years.
Senior Cat Symptom Checker
Noticed your older cat acting differently? Pick the changes you have seen and get practical next steps.