Newfoundland weight by age
Typical weight by age for a Newfoundland with an adult weight of about 140 lb (male) or 110 lb (female). The range shows where most puppies fall.
| Age | Male | Female |
|---|---|---|
| 2 months | 22 lbrange 15–29 lb | 17 lbrange 12–23 lb |
| 3 months | 37 lbrange 27–48 lb | 29 lbrange 21–38 lb |
| 4 months | 55 lbrange 42–68 lb | 43 lbrange 33–54 lb |
| 5 months | 75 lbrange 60–90 lb | 59 lbrange 47–71 lb |
| 6 months | 89 lbrange 72–105 lb | 70 lbrange 56–82 lb |
| 8 months | 111 lbrange 93–127 lb | 87 lbrange 73–100 lb |
| 10 months | 121 lbrange 102–136 lb | 95 lbrange 80–107 lb |
| 12 months | 127 lbrange 110–140 lb | 100 lbrange 87–110 lb |
Divide pounds by 2.2 for kilograms.
Adult weight
AKC breed page: 130-150 pounds (male), 100-120 pounds (female). The calculator uses about 140 lb for males and 110 lb for females as the typical adult weight.
Common questions
How much should a Newfoundland puppy weigh at 3 months?
A typical male Newfoundland weighs about 37 lb at 3 months (most between 27 and 48 lb). A typical female weighs about 29 lb (most between 21 and 38 lb).
How much should a Newfoundland puppy weigh at 6 months?
A typical male Newfoundland weighs about 89 lb at 6 months (most between 72 and 105 lb). A typical female weighs about 70 lb (most between 56 and 82 lb).
How much does a Newfoundland weigh at 1 year?
A typical male Newfoundland weighs about 127 lb at 12 months (most between 110 and 140 lb). A typical female weighs about 100 lb (most between 87 and 110 lb).
When does a Newfoundland stop gaining weight?
The typical Newfoundland puppy reaches about 90% of its adult weight around 12 months and 95% around 18 months. Large and giant breeds fill out for longer than small ones.
How accurate is the Newfoundland weight calculator?
Across our test dogs the typical miss was about 11% of adult weight, smaller for older puppies. Your puppy can land outside the range. See the methods page.
Other breeds
- Leonberger
- Bullmastiff
- Anatolian Shepherd Dog
- Dogue de Bordeaux
- Greater Swiss Mountain Dog
- Irish Wolfhound
Weight standard: AKC breed page. Growth curves: our analysis of open data from Salt et al. (2017), CC BY 4.0. An estimate, not veterinary advice. Methods.