How Many Years Is A Dog Year In Human Years

Pedigree can help you determine your best friend s age.

How many years is a dog year in human years. 12 5 for small dogs. The first year of a medium sized dog s life is 15 years of a human s life. The larger the dog the faster it ages. 10 5 for medium sized dogs.

In reality the average first 2 years of a dog equals 24 human years usually. And after that every human year equals approximately four or five years for a dog. Even though this formula has been around for a. But it is not true that one dog year is equivalent to 7 human years.

1 year for fido equals 7 years for you. Most humans know that dogs age faster than humans. For example 9 years in dog years are equal to 66 human years meaning that a 9 year old dog is roughly equivalent to a 66 year old person. If you own a dog you ve heard this rule.

Dogs mature more quickly than we do early on. Then for the third and subsequent years of the dog s life each human year has to be multiplied by between 4 3 and 13 4 years. Since the 1950s the popular calculation of how old a dog was in human years has been that 1 dog year is the equivalent of 7 human ones. Use our dog age calculator to see the conversion from dog years to human years.

Some use the term dog years to mean human age equivalent years while the scientific literature prefers the term human years as more accurate. The second year of a dog s life equals about nine years for a human. Small dogs live longer and mature sooner than large ones so their first year should be counted more and then from the second year less. Because for calculating age the size and weight of the dog are much more important.

9 for large dogs. According to the american veterinary medical association. Later on in the 1950s dogs had two years trimmed off their lifespan and the 7 year rule became popular. An inscription on the cosmati pavementin westminster abbey dating back to 1268 states that one human year is equivalent to nine years.

With many dog breeds the first year equals 14 15 human years and then it depends on the size weight breed and health. This 7 1 ratio was based on pure logic and statistics. So the first year of your. In truth a dog ages differently depending on its then current age and its size.

In addition you will receive a number of tips on what makes your dog age especially quickly.