Dog age calculator

Use this simple Dog Age Calculator to see the conversion from dog years to human years. Enter your dog's age in the calculator below to see the equivalent age in human years.

Age of Dog (years):
Age of Dog (months):
Size of Dog:
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Age of Dog (years)

The use of the Dog Age Calculator

Dog Age Calculator » How Old Is Your Dog In Human Years?

If you want to know how old your puppy is in human years, enter their weight and current age (in years and months). Using the calculator is really simple: enter the data in the right fields, then click on the “Calculate” button. If you do not feel like typing, you can enter the data with three simple clicks. Answer the questions appearing under the calculator, and you will see the result immediately.

How does the Dog Age Calculator calculate?

In the past, the age of the dog was simply multiplied by seven as this was thought to be the right formula. Research, however, has proved that this method provides a very inaccurate result. Today's most accepted method of converting a dog's age into human years is much more complex. We at age-calculator.org use this formula, as well.

This formula has two basic features: the first is that it is non-linear. It has been proved that dogs grow faster in the first few years. The second important change compared to the old and outdated calculation is that the new method also takes into account the dog's physique. This basically means that dog years are different for a small dog and a large dog. This fact is particularly important in older age, which also results in larger dogs living shorter lives.

What else can you use the Dog Age Calculator for?

The calculator is also able to answer “What if?” questions. Let’s take two examples.

  1. If my dog is 12 years old, how old will they be in human years?
  2. When my dog was 1 year and 6 months old, how old were they in human years?