How old is Buddy in 'dog years?'

By matching up human and canine life stages, vets can approximate how many 'dog years' your pet has lived. Horizontal axis shows calendar years; vertical axis shows 'dog years.' Because different sized dogs have different overall life expectancies, small, medium, large and giant dogs age at different rates.

Chart: The Conversation, CC-BY-ND Source: Journal of the American Animal Hospital Association (2012) Get the data