For years pet owners have gone by the rule that if you multiply your dog's age by 7, you will get their true age — so if your dog is 8 years old, their physiological age is likely closer to 56.

How old is your dog, in dog years? The widely used rule of thumb – human years x 7 – is apparently incorrect. The science behind the new formula tells us something about extrapolation and a lot about ...

Scientists have created a graph based on a new formula which estimates a dog's age in "human years." They say their work published in the journal Cell Systems debunks the commonly held belief that ...

The well-known 1:7 ratio for dog and human years isn't a reliable way to determine your dog's age, according to researchers, since canines and humans age differently For years pet owners have gone by ...