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Russian Blue age in human years

The Russian Blue typically weighs 7–12 lb and lives 15–20 years. Like all cats, a Russian Blue 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 Russian Blue 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.

Russian Blue facts

Weight
7–12 lb
Life expectancy
15–20 years
Senior from
About 10 years old

Russian Blue age in human years

Russian Blue 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
21 years100Senior
22 years104Senior

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

Other cat breeds

FAQ

How old is a Russian Blue in human years?

The Russian Blue typically weighs 7–12 lb and lives 15–20 years. Like all cats, a Russian Blue 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 Russian Blue is about 36.

How old is a 3-year-old Russian Blue in human years?

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

What is the life expectancy of a Russian Blue?

Most live 15–20 years.

When is a Russian Blue considered a senior?

From about 10 years old, like all cats. That is about 56 in human years, and most Russian Blue cats live 15–20 years.