Cat age in human years
Convert your cat's age into human years with the chart veterinarians use and see its life stage.
How to useHow old is your cat in human years?
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Cat age in human years: what it is for
Type your cat's years and months and see the equivalent age in human years. The calculation follows the veterinary reference: the first year equals about 15 human years, the second reaches 24 and each following year adds about 4.
The tool shows your cat's life stage and a reference table from kitten to 20 years.
How to use
- Type the age in years and months.
- See the human age and life stage.
- Check the reference table.
When to use it
- Satisfying curiosity about your pet's age.
- Knowing when your cat becomes a senior.
- Adjusting care and food for its age.
Frequently asked questions
How is it calculated?
A cat's first year equals about 15 human years and the second adds 9 more (24 in total). After that, each year equals about 4 human years. This is the reference used by veterinary organizations such as International Cat Care.
When is a cat considered senior?
From about 11 years (around 60 human years) it enters the senior stage, and after 15 it's considered geriatric. At that stage, vet visits should be more frequent.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.