Dog Age Calculator

Have you ever wondered how old your dog would be in human years?

You might’ve heard the old rule of seven: 1 year for pooch is equal to 7 years for you. But when you look at the science, it turns out it’s not quite that simple. For one thing, size plays a major role. Small breeds like chihuahuas tend to live longer than larger breeds, even if they mature more quickly at the start of their lives. They aren’t considered senior until they’ve reached at least 10. Giant breeds, by contrast, may grow more slowly at first but will be nearing their elder years around the age of 7.



All dogs mature more quickly than humans. The first year of your puppy’s life equates to around 15 human years, and the second to an additional 9 years, and so on. There are a lot of factors to consider, and it’s impossible to be exact, but we’ve created this calculator to give you a good estimate. It’ll tell you your dog’s age in human years based on their real age and breed. Try it out!

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Here on Your Paws, I build science-backed tools for pet owners. You'll also find vet-checked answers to common questions and in-depth reviews of food and toys, all designed to help you make the right decisions for happy, healthy pets. Read more about the site.

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