Dog Years Calculator
The old "multiply by 7" rule is wrong. Dogs age faster when young, slower when old. And size matters - big dogs age faster than small dogs.
yrs
Examples: Small = Chihuahua, Jack Russell | Medium = Beagle, Cocker Spaniel | Large = Labrador, German Shepherd
Want a deeper guide?
Read: Your Dog's Real Age: Why the 7-Year Rule Is Wrong — why the old x7 rule fails, how size changes the maths, and what dog years are actually useful for.
Read the dog years guide →