← Articles
Topic
Age and lifespan
Dog and cat years, when a pet becomes a senior, and how long they live.
Check my pet's age →- Dog years to human years: chart by sizeIt is not 7 to 1. A dog's first year is about 15 human years, the second about 9, then 4 to 6 a year by size.Care · 6 min · 8 Oct 2026
- Cat years to human years: age chartA cat's first year is about 15 human years, the second about 10, then 4 a year.Care · 5 min · 8 Oct 2026
2 articles. Newest first.
Other topics
Everything on the site, by subject.
- End of life
- Grief and aftercare
- Kidneys and bladder
- Heart and breathing
- Cancer and lumps
- Joints and mobility
- Brain and behavior
- Stomach and digestion
- Skin, coat and nails
- Eyes, ears and teeth
- Hormones and weight
- Food and diet
- Everyday care
- Dog health, everything else
- Cat health, everything else
- Senior pets in general