Figure out how old your dog really is using our dog age calculators. For fun, figure out how old you are in dog years too! It used to be thought that 1 dog year = 7 human years. That formula has been ...

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 ...

The old way to think about your dog's "human age" — the age in actual years times seven — is wrong. And researchers now have a new formula they think will calculate your dog's age more accurately.

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.

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 ...

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 ...

The largest-ever study of dog behavior, tracking more than 47,000 pets, reveals how breed, size, sex, and age shape canine traits. It provides insights that could help identify early signs of illness ...

You might want to reschedule your dog's birthday party. That is, if you care about celebrating it on the correct day. According to a new study, it doesn't really make sense to calculate a 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 ...

The old way to think about your dog's "human age" — the age in actual years times seven — is wrong. And researchers now have a new formula they think will calculate your dog's age more accurately.