Pet Age Calculator
Convert your pet's age to human years accurately! Different formulas for dogs and cats, with size adjustments for dogs.
3 months10 years20 years
🦮
In Human Years
39 years old
Adult • Prime of life
Life Journey36%
Life expectancy: 10-14 years for medium dogs
📊 Age Comparison
1 yr
≈ 15
3 yr
≈ 29
7 yr
≈ 49
10 yr
≈ 64
15 yr
≈ 89
Features
- Accurate age conversion
- Dog size adjustments
- Life stage indicator
- Life expectancy info
- Fun comparisons
How to Use
- 1Select dog or cat
- 2For dogs, select their size
- 3Enter their age in years
- 4See their human age equivalent
Frequently Asked Questions
Is the 7-year rule accurate?
No! The outdated 7-year rule doesn't account for rapid early development or size differences in dogs.
Do small dogs live longer?
Yes, generally small dogs live 12-16 years while giant breeds may only live 6-10 years.