How to convert dog years to human years?
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Video: Convert Dog years To Human Years and Vice Versa
Most people have heard that one dog year is equivalent to seven human years. This is a very oversimplified way of looking at it. Obviously dogs age much faster than humans, but there are a lot of variables to consider when comparing the two. How to convert dog years to human years, and do so with accuracy?
Ultimately, there is no easy way to convert dog years to human years, but there are some helpful rules you can follow. The biggest factor is the maturity rate of dogs compared to that of humans. Human children do not stop growing and developing until late in their teen years. Dogs are done growing by the time they are two or three years old.
How to Convert Dog Years to Human Years?
Video: How Old Is My Dog in People Years?
Puppies mature much faster than human children in the first two years of life, the first year of a dog’s life is actually equivalent to 15 human years. Once they reach the age of two, they are equivalent to a human who is about 21.
After the first two years, the aging process typically slows to about 4 human years for every 1 dog year.
Video: How old is your dog in human years?
Size and breed have a great influence over the rate that dogs age, as well. Smaller dogs tend to age faster than large breeds in the first few years of life, but then their aging process drastically slows down and they actually end up aging much slower than large breeds over the course of a lifetime.
Large breeds mature slower at first, but some are considered seniors at as young as five, whereas some small and toy breeds aren’t considered to be seniors until they are more than 10. You can follow the chart below to get an estimate of how old your dog is in human years.
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Table on how to convert dog years to human years
Dog’s Age | Small Breed | Medium Breed | Large Breed |
1 | 15 | 15 | 15 |
2 | 21 | 21 | 21 |
3 | 28 | 28 | 28 |
4 | 32 | 32 | 32 |
5 | 36 | 36 | 36 |
6 | 40 | 42 | 45 |
7 | 44 | 47 | 50 |
8 | 48 | 51 | 55 |
9 | 52 | 56 | 61 |
10 | 56 | 60 | 66 |
11 | 60 | 65 | 72 |
12 | 64 | 69 | 77 |
13 | 68 | 74 | 82 |
14 | 72 | 78 | 88 |
15 | 76 | 83 | 93 |
16 | 80 | 87 | 120 |
* Small breeds are 20 pounds or less, medium breeds are between 21-50 pounds, and large breeds weigh more than 50 pounds.
What if you adopt a dog and don’t know how old he or she is? Fortunately, it is still possible to estimate that dog’s age, but there is no way to get a definite answer. Your veterinarian can give you a fairly accurate estimate, and usually they figure it out by looking at the dog’s teeth.