Pet Age Calculator
Calculate your dog or cat's age in human years. Dogs are calculated by breed size (small, medium, large, giant). View life stage and care tips.
Pet Type
Breed Size
Examples: Beagle, Cocker Spaniel, Bulldog, Border Collie
Pet's Age (years)
Your medium dog at 3 years is approximately
29
human years old
Typical life expectancy: 10-14 years
Care Tips for Adult Stage
- Maintain regular exercise appropriate to breed
- Annual wellness exams with your vet
- Watch weight management - obesity is common
- Keep up dental hygiene with regular brushing
Age Comparison Table
| Pet Age | Human Equivalent | Life Stage |
|---|---|---|
| 0.5 yrs | 8 human yrs | Puppy (Juvenile) |
| 1 yr | 15 human yrs | Adolescent |
| 2 yrs | 24 human yrs | Adult |
| 3 yrs | 29 human yrs | Adult |
| 5 yrs | 39 human yrs | Adult |
| 7 yrs | 49 human yrs | Adult |
| 10 yrs | 64 human yrs | Senior |
| 13 yrs | 79 human yrs | Senior |
| 15 yrs | 89 human yrs | Senior |
How to Use the Pet Age Calculator
- Select your pet type: Dog or Cat.
- For dogs, select the breed size category.
- Enter your pet's age in years.
- View the human equivalent age, life stage, and care tips.
Features
- Dog age calculation by breed size (small, medium, large, giant)
- Cat age calculation
- Life stage identification
- Care tips per life stage
- Breed size examples and weight ranges
- Life expectancy estimates
Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.