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West Highland White Terrier age in human years

The West Highland White Terrier is a small breed weighing 15–20 lb, with a typical life expectancy of 13–15 years. On the size-based vet chart, a 5-year-old West Highland White Terrier is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Terrier group.

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The default is the size-based vet chart. See how pet age is calculated.

West Highland White Terrier facts

Size
Small (20 lb or less)
Weight
15–20 lb
Life expectancy
13–15 years
Senior from
About 10½ years old
Breed group
Terrier

West Highland White Terrier age in human years

West Highland White Terrier age chart. Small is 20 lb or less.
Dog ageSmallLife stage
1 year15Young adult
2 years24Young adult
3 years28Mature adult
4 years32Mature adult
5 years36Mature adult
6 years40Mature adult
7 years44Mature adult
8 years48Mature adult
9 years52Mature adult
10 years56Mature adult
11 years60Senior
12 years64Senior
13 years68Senior
14 years72Senior
15 years76Senior
16 years80Senior
17 years84Senior

The default is the size-based vet chart. See how pet age is calculated.

Other small dog breeds

FAQ

How old is a West Highland White Terrier in human years?

The West Highland White Terrier is a small breed weighing 15–20 lb, with a typical life expectancy of 13–15 years. On the size-based vet chart, a 5-year-old West Highland White Terrier is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Terrier group.

How old is a 3-year-old West Highland White Terrier in human years?

About 28, using the vet chart for small dogs. A 10-year-old West Highland White Terrier is about 56.

What is the life expectancy of a West Highland White Terrier?

Most live 13–15 years.

When is a West Highland White Terrier considered a senior?

From around 10½ years old, the last quarter of its expected lifespan. That is about 58 in human years.