So we need a calculation tool, App Age Pet comes to help you take that question with a few clicks.
Simply enter how old the Dog, Cat, Hamster. And for how many years it would have if it were a human.
So download now and find out how many human years would your pet if it were a human.

For Dogs.
The concept of this proportion was even created in the thirteenth century, when the Westminster Abbey said the dogs life followed the line 9 to 1. 500 years later, a French naturalist changed the rule, adapting the math to 1 to 8. Until in 1950, they reached number seven.