If there’s one myth that has persisted through the years without much evidence, it’s this: multiply your dog’s age by seven to calculate how old they are in “human years.” In other words, the old adage says, a four-year-old dog is similar in physiological age to a 28-year-old person.
Click here for original story, How old is your dog in human years? Scientists develop better method than ‘multiply by 7’
Source: Phys.org