What do you want to know?
Your age in dog years? 
Enter your age: 
Your age in dog years is: 
Your dog's age in human years? 
Enter your dog's age: 
Your dog's age in human years is: 

How is this calculated?

Experts in calculating dog age tell us that the old wisdom of 1 human year being equal to 7 dog years isn't quite correct.  They do the math according to the chart below:  

Dog's Age Human Age
(small dog)		 Human Age
(large dog)
1
15
12
2
24
19
3
28
26
4
32
33
5
36
40
6
40
47
7
44
54
8
48
61
9
52
68
10
56
75
11
60
82
 

As you can see, when compared to a human, a dog matures more quickly in early life.  There is also a difference based on size.