Cat Age Calculator
Convert your cat's age to human years. View care guidelines for each life stage.
Cat Life Stages
Age Conversion Chart
| Cat age | Indoor cat | Outdoor cat | Stage |
|---|---|---|---|
| 0.5years | 8years | 8years | Kitten |
| 1years | 15years | 15years | Kitten |
| 2years | 24years | 25years | Junior |
| 3years | 28years | 30years | Prime |
| 5years | 36years | 40years | Prime |
| 7years | 44years | 50years | Mature |
| 10years | 56years | 65years | Mature |
| 12years | 64years | 75years | Senior |
| 15years | 76years | 90years | Geriatric |
| 20years | 96years | 115years | Geriatric |
How to Use
Enter Cat Age
Enter cat age
Convert
Automatically converted to human years
View Result
Check human equivalent age
Features
Accurate Conversion
First 2 years rapid growth, then ~4 human years per cat year
Life Stage
Show kitten, adult, senior life stages
Health Advice
Show age-appropriate health care advice
FAQ
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