CatDogYears

Large dog years to human years

Large dogs weigh 51–90 lb (23–41 kg), such as a Labrador or Golden Retriever. They are usually treated as seniors from about 6.

Dog size

Large dog age chart

Large dog's ageHuman yearsLife stage
1 year15Young adult
2 years24Adult
3 years30Adult
4 years35Adult
5 years40Adult
6 years45Senior
7 years50Senior
8 years55Senior
9 years61Senior
10 years66Senior
11 years72Senior
12 years77Senior
13 years82Senior
14 years88Senior
15 years93Senior
16 years99Senior
17 years104Senior
18 years109Senior
19 years115Senior
20 years120Senior

Life stages for large dogs

PuppyUnder 1 year
Growing fast and learning everything. Needs puppy food, vaccinations, and early training.
Young adult1–2 years
Nearly grown and full of energy. Training and exercise matter most.
Adult2–5 years
Settled, fit, and at their peak. Regular exercise and yearly vet checks keep them there.
Senior6+ years
Slower, stiffer, and more prone to health changes. Many vets suggest check-ups twice a year at this stage.

Other sizes

Small dogs Medium dogs Giant dogs, or see the chart for all sizes.