The old rule of thumb for calculating a pet’s age in “human years” is simple: Just multiply by 7. By that common guideline, a 3-year-old cat is a young adult, equivalent to a human 21-year-old. And a ...

Knowing your dog's age helps to ensure correct care, nutrition, and health choices. Adoption papers and vet guesses are useful, but one of the best physical clues of age is your dog's teeth. Discover ...

It's an old trick: To tell how old your dog is in human years, simply multiply the pup's age by seven. However, new research suggests the popular dog-age-calculating method isn't actually all that ...

Common wisdom has long held that each dog year is equivalent to seven human years. But a new equation developed to measure how a dog ages finds the family pup may be a lot older than we realize.

Meera Pal is a Northern California-based writer with a background in journalism and books. She covers pets, real estate, tech, and everything in between. You can follow her on Twitter @Meerakat Kelly ...

As the dog days of summer approach, it’s time to confirm, once and for all, how old your dog really is in human years. University of California San Diego School of Medicine researchers have nuzzled ...

Working out your pet's age in "dog years" simply by multiplying it by seven is actually a myth. This doesn't stop people from estimating the equivalent human age of their beloved pets though, so a ...

To estimate your dog’s age in human years, multiply the dog’s age by seven, right? Wrong. A more accurate conversion isn’t so easy to do in your head: Multiply the natural logarithm of the dog’s age ...

One dog year is not equivalent to seven human years, despite widespread use of the ratio for calculating the age of canine companions. Presumably, the ratio is based on the average lifespan of dogs ...

If you're a dog owner, you have probably heard the popular myth that a single human year is equal to seven 'dog years'. That would make Britain's oldest dog, a 22-year-old Staffy from Devon named ...

Smaller dogs can live up to twice as long as their larger counterparts, research from Eötvös Loránd University in Hungary shows. And yet, this longevity is accompanied by an increased rate of canine ...

It often seems impossible to know what's going on in Fido's head as he lounges on his dog bed. But a handful of new studies offer surprising insights about how our canine companions age, perceive ...