Based on the so-called “rule of paw” one particular human year equals 7 Puppy years. Even so, as several scientists studied the ages of canines, they came for the conclusion that there's no such rule. In fact, the calculation differs from breed to breed depending on the dog’s sizing. Neutering: https://johnnywirzh.pages10.com/dog-lifespan-estimator-an-overview-69246446