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A Labrador Retriever is a large breed — typically 55–80 lb (25–36 kg) as an adult, living about 10–12 years. That size decides how fast a Lab ages: a 1-year-old Labrador is about 15 in human years, a 2-year-old about 24, and after that each Lab year adds about 6 human years. So a 5-year-old Labrador is about 42, and a 10-year-old Labrador is about 72.
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Labradors reach senior age at around 8 years old — about 60 in human years. A senior Lab is not sick by definition, but it does need a little more attention: regular vet check-ups, weight control, shorter but frequent walks, and a comfortable bed away from draughts.
Keep weight in check — Labradors gain weight easily, and extra weight wears out their joints and shortens their life. Daily walks, play, and measured meals (not free feeding) help a Lab stay lean. Ask your vet about joint-friendly food and senior check-ups from about age 8.
Enter any age and breed in our free dog age calculator for human years, life stage and a care tip. Or work it backwards with our human years to dog years calculator.
Other large breeds: German Shepherd · Golden Retriever · Dog age calculator by breed