The Puppy age calculator requires as input the number of years your Puppy has lived (dog age, Puppy years) and converts the Doggy age to the human years equivalent dependant on a scientific formula. The Puppy age to human age conversion formula we use In this particular dog years calculator https://kylerumaoa.blogpixi.com/34084393/the-2-minute-rule-for-convert-dog-years-to-human-years