Last Updated on September 20, 2023
7 months in dog years roughly equals 6 years 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 7 months 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 way
The majority of people still believe that 1 dog year equals seven dog years; this assumption likely began in the 1950s, however it’s not the correct method of calculating it.
While there has been plenty of research that has disproved the 7:1 ratio, it seems people are still holding on it. This formula may be based on the belief that dogs live for about 10 years old and humans up reach 70 years old, but honestly it’s hard to tell when it started.
The 7-1 rule is easy to understand and keep in mind but it’s not the best idea.
The correct calculation
The proper method to convert human years into dog years is a bit more complex.
The American Veterinary Medical Association has the following things to add to it:
- The first year of a dog’s life equals around 15 human years.
- The second year in a dog’s lifespan is roughly 9 years for humans.
- From then on, every human year equals either four or five dogs 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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