There are many factors that can affect the biological age in dogs: breed, size, weight and activity level. The chart below provides a general reference, replacing the old inaccurate “times 7” method and allow you to know how old your dog really is.
A Dog’s Age In Human Years | ||||
Age | Up to 20 lbs. | 21 50 lbs. | 51 – 90 lbs. | Over 90 lbs. |
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 |
37 42 47 51 56 60 65 69 74 78 83 87 92 96 101 105 |
40 45 50 55 61 66 72 77 82 88 93 99 104 109 115 120 |
42 |
Orange numbers = senior Green numbers = geriatric |