Selkirk Rex Age Calculator
Convert your Selkirk Rex's age to human years. Typical life expectancy 10–15 years.
Last reviewed July 2026 · Free · Nothing you enter is stored
10–15 yr lifespan
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Educational estimate. Your vet is the best judge of your Selkirk Rex's health stage.
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About the Selkirk Rex
The Selkirk Rex typically weighs 6–16 lbs as an adult and lives 10–15 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 Selkirk Rex'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 Selkirk Rex's age above for the exact figure.
How long do Selkirk Rexs live?
The typical Selkirk Rex lives 10–15 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 Selkirk Rex get?
A healthy adult Selkirk Rex typically weighs 6–16 lbs. Use our cat food calculator to portion meals to your cat's actual weight and life stage.
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