CAT OWNERSHIPSubscriber Only Your Cats Age in People Years By estaff - Published: November 21, 2019 Updated: February 18, 2020 0 Print Email Facebook Twitter Its pretty well known that for a medium-size dog, every year is equivalent to about seven human years. But what about cats? To continue reading this article you must be a paid subscriber Subscribe Subscribe to Tufts Catnip Get the next year of TUFTS CATNIP for just $20. And access all of our online content - over 1,000 articles - free of charge. Subscribe today and save 44%. It's like getting 5 months FREE! Already Subscribed? Click Here to Sign In | Forgot your password?