If you don't know the age, but know the dog's beginning date, enter it rather and our Resource will compute the Puppy age in calendar years for yourself. Last but not least simply click "Determine". The Pet years calculator is simply a rough estimate, but it's a very good start https://patriotgoldtrustpilot34045.blogoxo.com/34034707/the-best-side-of-dog-years-to-human-years-formula