Last Updated on September 20, 2023
11 in dog years roughly equals 65 in human years.
This calculation was made for a medium-sized dog (21 to 50 pounds) using the recommendations from the AKC (American Kennel Club).
There are 2 ways of calculating the conversion from human years to dog years. The above result was calculated using the more correct way, we’ll explain what makes the other way incorrect later in this article.
The table below shows dog years and their equivalent to human years, with different columns for different sizes.
| Dog's Age in Years | Human Years (Small Dog) | Human Years (Medium Dog) | Human Years (Large Dog) |
|---|---|---|---|
| 1 | 15 | 15 | 15 |
| 2 | 24 | 24 | 24 |
| 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 | 99 |
Calculating how many human years is 11 in dog years
As mentioned above, there are 2 main ways of calculating dog years to human years and vice versa. There’s a correct way and an incorrect way.
The incorrect calculation
Many people believe that 1 dog year is equal to 7 dog years; this assumption was probably first introduced in the 1950s, but this isn’t the best way to calculate it.
Although there’s been quite a bit of research since then disproving the 7:1 ratio, it seems people are still holding on the idea. This formula may be based on an assumption that dogs live to 10 or so years, and humans live reach 70 years old, but honestly we don’t know when it started.
So while the 7 to 1 rule is easy to remember and calculate but it’s not the best idea.
The correct way
The best method of converting human years to dog years is a bit more complex.
The American Veterinary Medical Association has the following things to say about it::
- The first year of a medium-sized dog’s life is approximately 15 years human.
- The second year in a dog’s lifespan equals about 9 human years.
- From then on, every human year equals the equivalent of four to five dog years.
Keep in mind that smaller dogs tend to live longer than bigger dogs. Scientists concluded that every 4.4 pounds of body mass reduced a dog’s life expectancy by about a month.
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