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Calculate Your Pet’s Age

Figuring Out Your Dog’s Age

You may be surprised to know that a dog’s relative age is based on his size: small dogs mature faster but also live longer than large dogs. So multiplying a dog’s age by 7 isn’t accurate most of the time. The table below provides a more precise reckoning of your dogs age.

4-20 lbs
21-50 lbs
51-85 lbs
Over 85 lbs

Human
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Dog
18
24
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
96

Human
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

Dog
16
22
28
33
37
42
47
51
56
60
65
69
74
78
83
88
93
98

Human
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Dog
15
20
30
35
40
45
50
55
61
66
72
77
82
88
93
99

Human
1
2
3
4
5
6
7
8
9
10
11
12
13

Dog
14
19
32
37
42
49
56
63
70
77
84
91
98