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 ...

WORKING out your dog’s age in “human years” by multiplying it by seven is wrong, according to scientists who’ve created a new method. They claim to have created a formula that more accurately compares ...

Scientists have come up with a new formula to calculate a dog's age in human years — and it is much more complicated than multiplying its real age by seven. Well, a new study suggests it's a little ...