Curious to know what is the age of your dog to human years?

In earlier days, dog owners used to assume that 1 year for dogs is equal to 7 human years.

However, the latest research exhibits that young puppies age much faster than young humans do, therefore that simple 1-to-7 year ratio is wrong. It looks like simple math is not that simple when it comes to calculating the age of your dog to human years.

Want to know how to calculate dog years to human age easily and quickly?

Use our simple to use Dog Age Calculator or the Dog Age Chart.


Please Note: This dog age calculator to human years provide an estimate and may not be 100% accurate. To learn more about your dog’s age or any other health concerns for your pet, consult a qualified veterinarian.

The dog lifespan data from Wikipedia for specific dog breed or weight range was used in this human years to dog years calculator determines the age of your dog in equivalent human years.

It is important to remember the size of your dog and breed type also play a role in the aging of your dog.

Smaller dog breeds tend to live longer than larger dog breeds, however, the smaller dog breeds tend to mature faster in the first few years of their life.

A bigger pup might age more slowly initially, however, by the age of five, they tend to reach their middle age.

Tiny and toy dog breeds, on the other hand, do not become “seniors” until they reach the age of ten years.

Medium-sized dog breeds are somewhere in the middle of bigger dog breeds and tiny or toy dog breeds.

If you do not see a dog breed in our Dog Age Calculator, please contact us with the missing breed details and we will do our best to include the age of the dog breed to human years.

In the meantime, you can also use our Dog Age Chart below to calculate the age of your dog to human years.


Dog Age Chart


Small Dog Breed – Dog Age Calculator to Human Years

Medium Dog Breed – Dog Age to Human Years

Large Dog Breed – Age of Dog to Human Years