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Small breed

Norwegian Lundehund Growth Chart

Male adult weight15–18 lb6.8–8.2 kg
Female adult weight12–15 lb5.4–6.8 kg

The Norwegian Lundehund is a small Norwegian breed famous for its extraordinary anatomy — six toes on each foot and joints that bend in unusual ways — developed to hunt puffins on steep cliffs. Alert, energetic, and nimble, Lundehunds are small dogs with a big story. Males typically reach 15-18 lb and females 12-15 lb between 10 and 12 months.

View weight chart (lb & kg)

Calculate Your Norwegian Lundehund Puppy's Adult Weight

Enter your Norwegian Lundehund puppy's age and current weight for an estimated adult weight range.

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Norwegian Lundehund weight by age

Typical male and female puppy weight ranges by age, available in lb and kg. Individual puppies may vary.

Most Norwegian Lundehund puppies approach adult weight around 11 months, although individuals may finish earlier or later.

Weight unit
Expected Norwegian Lundehund puppy weight at key ages in lb or kg
AgeTypical male rangeTypical female range
2 months (8 weeks)2.7–5.5 lb1.2–2.5 kg2.1–4.6 lb1–2.1 kg
3 months (12 weeks)4.1–7.3 lb1.9–3.3 kg3.3–6 lb1.5–2.7 kg
4 months (16 weeks)5.4–8.8 lb2.4–4 kg4.3–7.3 lb2–3.3 kg
5 months (20 weeks)6.5–10.2 lb2.9–4.6 kg5.2–8.5 lb2.4–3.9 kg
6 months (24 weeks)7.7–11.5 lb3.5–5.2 kg6.1–9.6 lb2.8–4.4 kg
7 months (32 weeks)9.7–14 lb4.4–6.4 kg7.8–11.7 lb3.5–5.3 kg
9 months (40 weeks)11.7–16.4 lb5.3–7.4 kg9.4–13.7 lb4.3–6.2 kg
1 year (52 weeks)13.6–18 lb6.2–8.2 kg10.9–15 lb4.9–6.8 kg

These estimated ranges combine the breed's adult weights with a size-based growth curve. They are not measured breed-specific percentiles or health targets. Month labels are rounded approximations; use the week values for each row. How these weight ranges are calculated

Norwegian Lundehund Growth Stages

Understanding the typical growth stages helps you know what to expect as your Norwegian Lundehund puppy grows.

Neonatal

0–2 weeks

Puppies are born with eyes and ears closed, relying entirely on their mother. Rapid weight gain occurs during this period.

Socialization

3–12 weeks

Eyes and ears open. Puppies begin to explore, play, and learn social behaviors. This is a critical period for development.

Juvenile

3–6 months

Rapid growth continues. Puppies become more independent, start teething, and develop coordination.

Adolescent

6–10 months

Growth rate begins to slow. Puppies reach sexual maturity and may test boundaries. Muscle mass develops.

Young Adult

10–12 months

Growth is nearly complete. Your puppy is filling out and approaching adult proportions.

Adult

12+ months

Your puppy has reached their full adult size. Weight should remain relatively stable with proper nutrition.

Norwegian Lundehund FAQ

How much will my Norwegian Lundehund puppy weigh as an adult?

Adult Norwegian Lundehunds typically weigh between 12 and 18 lb overall. Males run 15-18 lb while females are 12-15 lb, so knowing your puppy's sex sharpens the estimate.

At what age is a Norwegian Lundehund fully grown?

Most reach adult weight between 10 and 12 months. Small breeds finish growing quickly — by the first birthday the frame is essentially set.

How accurate is a Norwegian Lundehund puppy weight chart?

It is a good guide. The breed's unique build — extra toes and unusual joint flexibility — makes visual judging tricky, so trust the scale and the multi-week trend over how the puppy looks.

How much should a Norwegian Lundehund puppy weigh at 12 weeks?

Check the 12-week row in the weight-by-age table above for the estimated range. If your puppy falls well outside that band, re-check the scale, the lb/kg setting, and the age entry first — a single off reading is more common than a truly unusual puppy.

Do male and female Norwegian Lundehunds grow differently?

Yes. Males typically reach 15-18 lb while females are 12-15 lb. The ranges barely overlap, so use the chart column matching your puppy's sex.