Calculate your dog's age

Calculate your dog's age
in human years

Enter your dog's age:

Your dog's age in Human Years is:

I have used the formula I have seen in two different places (can't remember where right now), but it does seem to correlate to the way dogs mature, physically and emotionally.

1 dog year = 15 human years
2 dog years = 24 human years
Each additional dog year = 4 human years