Russian Blue Age Calculator
Convert your Russian Blue's age to human years. Typical life expectancy 15–20 years.
Last reviewed July 2026 · Free · Nothing you enter is stored
15–20 yr lifespan
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Educational estimate. Your vet is the best judge of your Russian Blue's health stage.
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About the Russian Blue
The Russian Blue typically weighs 7–12 lbs as an adult and lives 15–20 years. Cats age uniformly across breeds, so this calculator applies the standard 15 + 9 + 4/year convention — what differs by breed is life expectancy and adult size.
Frequently asked questions
How do you calculate a Russian Blue's age in human years?
Cats age at a consistent rate regardless of breed: ~15 human years in year one, 24 by age two, then about 4 human years per cat year after that. Enter your Russian Blue's age above for the exact figure.
How long do Russian Blues live?
The typical Russian Blue lives 15–20 years. Keeping cats indoors, maintaining a healthy weight, and twice-yearly senior vet visits push toward the top of that range.
How big does a Russian Blue get?
A healthy adult Russian Blue typically weighs 7–12 lbs. Use our cat food calculator to portion meals to your cat's actual weight and life stage.
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