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Australian Cattle Dog age in human years

The Australian Cattle Dog is a medium breed weighing 35–50 lb, with a typical life expectancy of 12–16 years. On the size-based vet chart, a 5-year-old Australian Cattle Dog is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Herding group.

How old is your pet?

Enter an age to see human years.

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

Australian Cattle Dog facts

Size
Medium (21–50 lb)
Weight
35–50 lb
Life expectancy
12–16 years
Senior from
About 10½ years old
Breed group
Herding

Australian Cattle Dog age in human years

Australian Cattle Dog age chart. Medium is 21–50 lb.
Dog ageMediumLife stage
1 year15Young adult
2 years24Young adult
3 years28Mature adult
4 years32Mature adult
5 years36Mature adult
6 years42Mature adult
7 years47Mature adult
8 years51Mature adult
9 years56Mature adult
10 years60Mature adult
11 years65Senior
12 years69Senior
13 years74Senior
14 years78Senior
15 years83Senior
16 years87Senior
17 years91Senior
18 years95Senior

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

Other medium dog breeds

FAQ

How old is an Australian Cattle Dog in human years?

The Australian Cattle Dog is a medium breed weighing 35–50 lb, with a typical life expectancy of 12–16 years. On the size-based vet chart, a 5-year-old Australian Cattle Dog is about 36 in human years, and the breed is usually considered senior from around 10½ years old. It belongs to the Herding group.

How old is a 3-year-old Australian Cattle Dog in human years?

About 28, using the vet chart for medium dogs. A 10-year-old Australian Cattle Dog is about 60.

What is the life expectancy of an Australian Cattle Dog?

Most live 12–16 years.

When is an Australian Cattle Dog considered a senior?

From around 10½ years old, the last quarter of its expected lifespan. That is about 63 in human years.