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Depending on the size of the dog, a dog that's three human years is roughly 28 years in "dog years".

If a dog is a year old, that is the equivalent of 15 in human years (not seven as it used to be thought).

When a dog reaches the age of two, he is already approximately 24 in human years.

Add four years to every year after age two. For example, a three-year-old dog is equivalent to 28 in human years; a four-year-old is 32, a five-year-old, 36, a six-year-old, 40--and so on.

Take the dog's size into consideration, since smaller dogs generally have longer life spans than larger dogs, with toy breeds tending to live the longest and giant breeds, the shortest. For example, according to the above method, a six-year-old dog is considered 40 in human years, when in fact a larger dog may actually be closer to 42.

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13y ago
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12y ago

The concept of "dog years" is a myth, and is no longer accepted by the veterinary world. Different breeds age differently, and even individuals within a breed age differently. A dog year is 365 days, just like humans, rabbits, and amoebas.

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11y ago

It would depend on the exact breed, but generally 3 real years is around 25 to 30 dog years.

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12y ago

Well 1 year= 7 in dog years so 3 years would mean your dog is 21!

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12y ago

21 years old because each year in doggy year are 7 years so if a dog is 3 in human year it is 21 in doggy year

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11y ago

3x7=21 or 3x15= 45 depending on if you believe one year to seven or one to 15

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14y ago

About twenty-one.

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12y ago

3 in dog years is 21

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Q: What age are 3yr old dogs in dog years?
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