How Old is 16 in Dog Years?

16 in dog years roughly equals 87 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 YearsHuman Years (Small Dog)Human Years (Medium Dog)Human Years (Large Dog)
1151515
2242424
3282828
4323232
5363636
6404245
7444750
8485155
9525661
10566066
11606572
12646977
13687482
14727888
15768393
16808799

16 in dog years

Calculating how many human years is 16 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

The majority of people still believe that one dog year equals 7 dog years. This assumption likely began in the 1950s. However, this isn’t the best method of calculating it.

There has been quite a bit of research since then that disproves this ratio of 7 to 1, that people still believe in the idea. The formula could be based on an belief that dogs live for 10-ish years and humans to 70, but honestly, we’re not quite sure when it started.

So while the 7 to 1 rule is simple to calculate and remember however, it’s sadly incorrect.

The new calculation

The proper method to convert human years to dog years is a bit more difficult.

The American Veterinary Medical Association has the following to say about it::

  • The first year of a medium-sized dog’s lifespan is about 15 years for humans.
  • The second year of a dog’s life is equivalent to 9 human years.
  • From that point onwards each year of a human 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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Becky Roberts

Becky Roberts

One of Becky's favourite things to do every morning is to browse the top pet-related forums, looking for issues and questions that people have. She then shortlists the most common ones, and turns them into blog posts for Fuzzy Rescue. She's had over 4 cats and 2 dogs over the past decade, so she does know a thing or 2 about raising/training, and more importantly, loving them. She's the only one on our team that doesn't like coffee, but it seems to us she really doesn't need more energy :). We're very fortunate to have her on board as she does most of the heavy listing for the site, outputting an insane amount of content each month. Read More

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