| Ekvivalent stáří psa v "lidských" letech | |||||
| Stáří psa | Hmotnost (kg) | ||||
| (roky) | 7-17 | 14-22 | 23-34 | 35-45 | 46 a více |
| 1 | 12 | 13 | 15 | 17 | 20 |
| 2 | 19 | 19 | 21 | 23 | 26 |
| 3 | 25 | 25 | 27 | 29 | 32 |
| 4 | 30 | 31 | 32 | 34 | 37 |
| 5 | 35 | 36 | 37 | 39 | 42 |
| 6 | 40 | 40 | 42 | 44 | 47 |
| 7 | 44 | 45 | 46 | 49 | 52 |
| 8 | 48 | 49 | 51 | 53 | 57 |
| 9 | 52 | 53 | 55 | 57 | 62 |
| 10 | 55 | 56 | 59 | 62 | 67 |
| 11 | 59 | 60 | 63 | 66 | 72 |
| 12 | 62 | 64 | 67 | 71 | 77 |
| 13 | 66 | 67 | 71 | 76 | 83 |
| 14 | 69 | 71 | 76 | 81 | 90 |
| 15 | 73 | 75 | 80 | 86 | 96 |
| 16 | 77 | 80 | 85 | 92 | 104 |
| 17 | 82 | 84 | 91 | 99 | 112 |
| 18 | 86 | 89 | 97 | 106 | 121 |
| senior | |||||
| * Patronek GJ, Waters DJ and Clickman LT | |||||
| Journal of Gerontology Biology Sciences, 1997, Vol 52A, No3 | |||||