Norwegian Forest Cat Kitten Weight Chart: Growth by Week
Track your Norwegian Forest Cat kitten's growth against global breed standards.
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Want to track growth over time and receive medical alerts when weight drops?
| Age | Male avg | Female avg |
|---|---|---|
| Birth | 115 g | 115 g |
| 1 Week | – | – |
| 4 Weeks | 525 g | 525 g |
| 8 Weeks | 1250 g | 1250 g |
| 12 Weeks | 1750 g | 1750 g |
How fast should a Norwegian Forest Cat kitten grow?
Norwegian Forest Cats grow slowly and reach full size at 4–5 years. They are robust and muscular. Compared to other breeds, they show a moderate weight gain in the first 8 weeks, which then accelerates.
When do Norwegian Forest Cat cats stop growing?
Norwegian Forest Cat cats typically grow for 54 months before reaching their full adult weight.
Red flags: When to worry
- Birth weight below 90 g
- Birth weight not doubled by week 2
- Stagnation for more than 3 days in the first 8 weeks
- Siblings with significantly higher weight (possible Fading Kitten Syndrome)