Devon Rex: Age, Weight, Lifespan, and Health
Devon Rex cats are small, curly-coated cats often described as pixies. Playful into adulthood, low-shedding, and prone to a specific cluster of genetic issues from a small founder population.
Devon Rex age in human years
Based on the AAFP/AAHA feline life stage chart. Year one alone equals roughly 15 human years. Year two adds about 9 more. After that, each cat year is roughly 4 human years.
| Cat age | Human-year equivalent | Life stage |
|---|---|---|
| 1 year | 15 | junior |
| 2 years | 24 | prime |
| 5 years | 36 | prime |
| 8 years | 48 | mature |
| 10 years | 56 | senior |
| 15 years | 76 | geriatric |
Feeding Devon Rexs
Small frame. Run the gram scale for precision. Standard portions otherwise.
General cat feeding math: indoor adult cats need roughly 20 to 25 kcal per pound of ideal body weight per day. A 5to 10 lb Devon Rex needs about 100 to 250 kcal per day. Plug your kibble's kcal-per-cup from the bag to convert to cups.
Common health issues in Devon Rexs
These are the conditions most commonly reported by veterinarians and breed-club health surveys for Devon Rexs.
- Hypertrophic cardiomyopathy
- Patellar luxation
- Hereditary myopathy
- Malassezia dermatitis
- Hip dysplasia
- Hereditary cataracts
The Devon Rex's health profile tends to push lifetime vet costs above average. Run the pet insurance break-even calculator with a real quote before deciding whether a policy or a savings account is the better choice.
Run the pet insurance break-even calculator →Frequently asked about Devon Rexs
How long do Devon Rexs live?
Most Devon Rexs live 9 to 15 years, with a midpoint around 12. Senior-stage vet care usually starts around age 9.
What is the human-age equivalent for a Devon Rex?
Cat aging is more uniform across breeds than dog aging. The first year of a cat's life equals roughly 15 human years on its own. Year two adds about 9 more, putting a 2-year-old cat near 24 in human terms. Every year after that adds about 4 human years.
What should I feed my Devon Rex?
Small frame. Run the gram scale for precision. Standard portions otherwise. For the general formula, use the food portion math at adjustingstudio.com/paws/tools/food-portion-calculator. The dog version is also useful for cats once you adjust the activity multiplier downward for typical indoor housecats.
Is pet insurance worth it for a Devon Rex?
Devon Rexs carry above-average lifetime vet costs, driven by the breed-specific issues listed above. Insurance break-even math usually favors a policy taken out before any condition shows on the medical record.
What health issues are most common in Devon Rexs?
The most commonly reported issues for this breed are: Hypertrophic cardiomyopathy, Patellar luxation, Hereditary myopathy, Malassezia dermatitis. Annual vet visits and breed-specific genetic testing (where available) are the standard preventive baseline.