Use this calculator to find out just how old your dog is in human years. The more your dog weighs the more he ages every year.

Age (yrs.) 0 – 20 21 – 50 51 – 90 > 90
1 7 7 8 9
2 13 14 16 18
3 20 21 24 26
4 26 27 31 34
5 33 34 38 41
6 40 42 45 49
7 44 47 50 56
8 48 51 55 64
9 52 56 61 71
10 56 60 66 78
11 60 65 72 86
12 64 69 77 93
13 68 74 82 101
14 72 78 88 108
15 76 83 93 115
16 80 87 99 123
17 84 92 104
18 88 96 109 Adult
19 92 101 115 Senior
20 96 105 120 Geriatric