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Siberian age in human years

The Siberian typically weighs 8–17 lb and lives 11–18 years. Like all cats, a Siberian is about 15 in human years at age one and 24 at two, then ages about four human years per year, so a 5-year-old Siberian is about 36.

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.

Siberian facts

Weight
8–17 lb
Life expectancy
11–18 years
Senior from
About 10 years old

Siberian age in human years

Siberian age chart
Cat ageHuman yearsLife stage
1 year15Young adult
2 years24Young adult
3 years28Young adult
4 years32Young adult
5 years36Young adult
6 years40Young adult
7 years44Mature adult
8 years48Mature adult
9 years52Mature adult
10 years56Senior
11 years60Senior
12 years64Senior
13 years68Senior
14 years72Senior
15 years76Senior
16 years80Senior
17 years84Senior
18 years88Senior
19 years92Senior
20 years96Senior

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

Other cat breeds

FAQ

How old is a Siberian in human years?

The Siberian typically weighs 8–17 lb and lives 11–18 years. Like all cats, a Siberian is about 15 in human years at age one and 24 at two, then ages about four human years per year, so a 5-year-old Siberian is about 36.

How old is a 3-year-old Siberian in human years?

About 28, using the vet chart for cats. A 10-year-old Siberian is about 56.

What is the life expectancy of a Siberian?

Most live 11–18 years.

When is a Siberian considered a senior?

From about 10 years old, like all cats. That is about 56 in human years, and most Siberian cats live 11–18 years.