Dog Age Calculator
Calculate your dog's age in human years accurately using the latest research. Results vary based on dog size.
Enter Your Dog's Information
5 years
0 years20 years
years
Dog Size:
Did you know? The old "1 dog year = 7 human years" rule is a myth! Dogs age faster in their first two years and then slow down. Size also matters - larger dogs age faster than smaller ones.
Human Age Equivalent
39.0 human years
Life Stage
Adult
🦮
🐕Dog Years
5 years
👤Human Years
39.0 years
📊Expected Life
10-14 years
⏳Life Percentage
41.7%
Life Progress:
Birth12 years (avg)
How Dog Years Work
Dogs don't age at a constant rate compared to humans. During their first year, puppies develop rapidly and reach the equivalent of about 15 human years. The second year adds another 9-10 human years. After that, each dog year equals about 4-8 human years depending on size.
Life Expectancy by Size
🐕
Small
12-16 years
🐕🦺
Medium
10-14 years
🦮
Large
8-12 years
🐕
Giant
6-10 years