Greyhound Age in Human Years: Free Calculator

Work out your Greyhound age in human years. Greyhounds typically weigh 60–70 lb and live 10–14 years; enter your dog's age below.

Size sets how fast a dog ages: bigger dogs age faster after year 2.
Human age (size-based chart)
45 years
Human age (UCSD research formula)60
Size classLarge
Life stageAdult

Both are estimates; no method is exact. The UCSD formula is based on Labrador Retrievers.

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A lean sprinter that is often a calm house dog. Size class: Large (51–100 lb (23–45 kg)). Senior from about 9 years.

Greyhound key numbers

Typical adult weight60–70 lb (27.2–31.8 kg)
Typical lifespan10–14 years
Fully grown (adult) from about1.5 years
Senior from about9 years (≈61 human years)
Human age at 14 years≈88
Daily calories, neutered adult1335–1498 kcal

Greyhound age in human years: year-by-year chart

Dog ageSize-based chartUCSD formulaLife stage
11531Puppy
22442Adult
32849Adult
43253Adult
53657Adult
64560Adult
75062Adult
85564Adult
96166Senior
106668Senior
117269Senior
127771Senior
138272Senior
148873Senior
159374Senior
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Feeding a Greyhound

At a typical adult weight of 65 lb (29 kg), a neutered adult needs roughly 1417 kcal a day. Use the dog food calculator for your dog's own weight and food.

Frequently asked questions

How old is a Greyhound in human years?

A Greyhound's age in human years depends on size. A Greyhound is a large breed (60–70 lb), so on the size-based chart it is about 36 human years at 5 and 66 at 10. A typical Greyhound lifespan of 10–14 years is about 77 human years at the midpoint.

How long do Greyhounds live?

Typically 10 to 14 years. A lean sprinter that is often a calm house dog.

When is a Greyhound a senior?

From around 9 years old, which is the last quarter of a typical lifespan. Ask your vet about senior check-ups before then.

Other large breeds

See all breeds · General dog age calculator

Sources

Last reviewed 2026-11-11. These are estimates for general information, not veterinary advice. See how we calculate.

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