the first two years of a small dog's life are equal to 12.5 human years, although this reduces to 10.5 years for a medium dog, and nine years for a large dog. After that, each additional year of a ...

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 revised to a complex combination taking the size of the dog into ...

An curved arrow pointing right. Dogs reach sexual maturity around age one. This means, if a dog year were equivalent to seven human years, a seven year old human would be able to procreate.

The common belief that one human year equals seven dog years is an oversimplification, especially for a dog's early and later years. Dogs mature rapidly in their first two years, with a 2-year-old ...