Dog Age Calculator

You’ll be surprised to know that not all dog's age in the same way. The age of your dog depends upon various factors such as its breed and size and it varies in human age too. The three most common points to be considered to calculate your dog age in human years are as follows:

• The first year of a medium-sized dog is equal to fifteen years of human life.
• The second year of a dog’s life is equal to approximately nine years of human life.
• After the second year, every human year will be equal to almost five years for a dog.

Crazy, isn’t it?

The procedure on How to Calculate Dog Years to Human Years with & without a calculator is provided below: 

Manual Method: On comparing the DNA information of dogs and humans, researchers have come up with an equation that you can use to manually convert your dog’s age to human years.

The equation is: 16 ln (dog age)+ 31 = human age of dog

Using a dog age calculator: All you have to do is enter the input age in months or years and wait for a while to get the results in human years. So, make use of our free online dog age calculator & attain the answers in split seconds. 

For instance, let’s take the example of the Great Dane, the average life expectancy for a Great Dane is about 7 to 10 years and hence a four-year-old Great Dane would already be considered almost 35 years of human age.

Is 1 dog year equal to 7 human years? |The 7:1 rule for dog age calculation

You must definitely have heard that seven human years equals one dog year. The 7:1 rule is a very popular myth that has been going around for ages but with no scientific reasoning behind it.

Different breeds of dog's age in a different manner. Also, smaller dogs generally have a longer life than larger dogs.

The explanation for the theory could be that it is derived from the fact that humans live for about 70 years and dogs for about 10.

Researcher’s approach to calculating dog age

The data in such topics can only be an estimation. The researchers consider several facts to explain the aging of dogs. Generally, at 7 years of age small dogs are considered to be seniors because they age slowly compared to the larger dogs who are termed as senior when they are about 5-6 years of age. The term ‘senior’ is given due to the health-related problems that the pets start experiencing.

Why dogs' ages are different from one to another?

Generally larger mammals for example elephants tend to have a longer lifespan than the smaller ones for example rodents. So why is it that smaller dogs have a longer lifespan than larger ones? 

According to researchers, every 4.4 pounds of body mass reduces a dog’s life expectancy for about a month. The reason behind these phenomena is still not known but active research is being conducted to dig deeper into the topic of dog age calculation and the relation between the size of dogs and their age.

How old is my dog in human years?

Look at this chart on dog age in human years for a better understanding of How old is my dog in human years?

Facts about Dog Age

Your fuzzy friend’s teeth can be an indicator of their age. You might get a rough idea about their age in dog years just by looking at their teeth. 

• 8 weeks: baby teeth are all grown
• 7 months: a clean set of all permanent teeth
• 1-2 years: dullness and yellowness in teeth 
• 3-5 years: tooth wear and tartar build-up
• 5-10 years: more wear in almost all teeth
• 10-15 years: teeth may start to fall and become duller

FAQs on Dog Years to Human Years Online Calculator

1. How old is my dog? 

The age of your dog depends upon its breed and size. Want to know the exact answer to this question, visit the arithmeticcalculator.com online portal and go for the dog age calculator.

2. Is my dog older than me? 

You can use the dog age calculator to calculate your dog's age in human years and then see if your dog is older than you or not. 

3. How old is a 14-year-old dog?

A 14-year-old dog is a very senior dog which equals about 78 years of human age.

4. Is my dog a senior dog?

Small dogs are considered to be seniors by the age of 7 and larger dogs by the age of 5-6.