Life stage: Adult
Prime of life. Keep up yearly checkups, dental care and daily exercise, and adjust food if your dog starts gaining weight.
Large dog age chart
| Dog age | Human years |
|---|---|
| 1 | 15 |
| 2 | 24 |
| 3 | 30 |
| 4 | 36 |
| 5 | 42 |
| 6 | 48 |
| 7 | 54 |
| 8 | 60 |
| 9 | 66 |
| 10 | 72 |
| 11 | 78 |
| 12 | 84 |
| 13 | 90 |
| 14 | 96 |
| 15 | 102 |
| 16 | 108 |
Breeds in the large 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, medium, giant.
Questions people ask
Is a 3-year-old large dog old?
At about 30 in human years, a 3-year-old large dog is in the "adult" 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.
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