Use this Norwegian Lundehund puppy weight calculator to predict how big your puppy will get. Norwegian Lundehunds are a hunting breed that typically reach full size by around 12 months.
Enter your puppy's current weight and age to predict their adult size
Estimates based on breed growth curves. Individual dogs vary with genetics and nutrition — check with your vet for a personalized read.
Indoor/outdoor enclosure — a good fit for toy and small breeds.
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| Age | Weight |
|---|---|
| Birth | 0.2 to 1 lbs |
| 2 Months | 3 to 5 lbs |
| 3 Months | 4 to 7 lbs |
| 4 Months | 5 to 9 lbs |
| 5 Months | 7 to 11 lbs |
| 6 Months | 8 to 13 lbs |
| 7 Months | 9 to 14 lbs |
| 9 Months | 10 to 16 lbs |
| 10 Months | 11 to 18 lbs |
| 1 Year | 12 to 18 lbs |
| 1.5 Years | 12 to 18 lbs |
| 2 Years | 12 to 18 lbs |
Estimated from typical toy-breed growth curves and the Norwegian Lundehund's adult weight range. Individual puppies vary — use the calculator above for a prediction based on your puppy's actual current weight.
New breed data, growth tips, and puppy-parenting insights, plus our free printable puppy growth tracker.
This is the single most important health fact for the breed: Lundehunds are highly predisposed to Lundehund syndrome, a serious gastrointestinal condition (protein-losing enteropathy and intestinal lymphangiectasia) linked to the breed's historically small gene pool — genuinely one of the defining health challenges of the breed, and something any prospective owner should discuss in depth with a breeder or vet.
Dogs affected by Lundehund syndrome need specialized dietary management under veterinary guidance; even unaffected dogs benefit from a high-quality diet given the breed's digestive sensitivity.
The double coat needs regular brushing, more during seasonal shedding.
Intelligent and athletic, with genuinely unique physical abilities (extreme neck flexibility, ear-closing) reflecting its original cliff-climbing job.
A uniquely built Norwegian breed developed to hunt puffins on steep sea cliffs, with distinctive extra toes and extreme joint flexibility unmatched by any other breed.
Friendly and athletic, today's Lundehund is a companion breed since puffin hunting is no longer practiced.
