Portuguese Water Dog Age Calculator
Convert your Portuguese Water Dog's age to human years, adjusted for medium-sized-breed aging. Life expectancy 11–13 years.
Last reviewed July 2026 · Free · Nothing you enter is stored
medium breed
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Educational estimate for a medium-sized breed. Individual dogs vary — your vet is the best judge of your Portuguese Water Dog's life stage.
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About Portuguese Water Dog aging
The Portuguese Water Dog is a medium-sized breed with a typical adult weight of 35–60 lbs and a life expectancy of 11–13 years. Because aging speed tracks body size, this page uses the medium-breed rate — a middle rate.
Frequently asked questions
How do you calculate a Portuguese Water Dog's age in human years?
As a medium-sized breed, the Portuguese Water Dog ages at the medium-breed rate: about 15 human years in year one, 24 by age two, then roughly 5 human years for each dog year after that. Enter an age above to see the exact figure alongside the UCSD epigenetic estimate.
How long do Portuguese Water Dogs live?
The typical Portuguese Water Dog life expectancy is 11–13 years. Keeping your dog at a healthy weight, staying current on veterinary care, and dental hygiene are the biggest levers on the high end of that range.
When is a Portuguese Water Dog considered a senior?
Smaller breeds like the Portuguese Water Dog typically enter their senior years around age 8–10. Senior care means more frequent vet checks and often a diet adjustment.
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