Life stage: Golden years
Senior years. Many vets recommend checkups every six months, bloodwork, joint support and softer exercise. Watch for changes in appetite, thirst, weight and mobility and mention them to your vet.
Medium dog age chart
| Dog age | Human years |
|---|---|
| 1 | 15 |
| 2 | 24 |
| 3 | 29 |
| 4 | 34 |
| 5 | 39 |
| 6 | 44 |
| 7 | 49 |
| 8 | 54 |
| 9 | 59 |
| 10 | 64 |
| 11 | 69 |
| 12 | 74 |
| 13 | 79 |
| 14 | 84 |
| 15 | 89 |
| 16 | 94 |
| 17 | 99 |
| 18 | 104 |
Breeds in the medium group
For example:
Pet Health Record (printable) · $3.49
Vaccines, meds, weight and vet visits on one printable record, so every checkup starts with the full picture.
See it on Etsy →Other ages
Other sizes at this age: small.
Questions people ask
Is a 18-year-old medium dog old?
At about 104 in human years, a 18-year-old medium dog is in the "golden years" stage.
Why do bigger dogs age faster?
Larger breeds tend to have shorter lifespans and reach their senior years sooner, so each year counts for more human years.
The Paw Plan shares general pet care information, not veterinary advice. Figures on this page are estimates calculated from the assumptions shown. Every pet is different, so check with your vet about yours.
Keep exploring
Dog age calculator
Any age, any size.
Open →Dog years to human years
The real chart.
Open →Dog age by size
Every age, every size.
Open →One easy pet-care tip a week.
Short, practical and friendly. Join free and get our printable pet emergency contact card right away.
