Border Terrier weight by age
Typical weight by age for a Border Terrier with an adult weight of about 14 lb (male) or 13 lb (female). The range shows where most puppies fall.
| Age | Male | Female |
|---|---|---|
| 2 months | 4.1 lbrange 2.9–5.5 lb | 3.7 lbrange 2.6–5.1 lb |
| 3 months | 6.0 lbrange 4.3–7.8 lb | 5.4 lbrange 3.9–7.1 lb |
| 4 months | 7.9 lbrange 6.1–9.9 lb | 7.1 lbrange 5.4–8.9 lb |
| 5 months | 9.7 lbrange 7.8–12 lb | 8.7 lbrange 6.9–11 lb |
| 6 months | 11 lbrange 8.8–13 lb | 9.7 lbrange 7.8–12 lb |
| 8 months | 12 lbrange 10–14 lb | 11 lbrange 9.2–13 lb |
| 10 months | 13 lbrange 11–15 lb | 12 lbrange 9.9–13 lb |
| 12 months | 14 lbrange 12–15 lb | 12 lbrange 10–13 lb |
Divide pounds by 2.2 for kilograms.
Adult weight
AKC breed page: 13-15.5 pounds (male), 11.5-14 pounds (female). The calculator uses about 14 lb for males and 13 lb for females as the typical adult weight.
Common questions
How much should a Border Terrier puppy weigh at 3 months?
A typical male Border Terrier weighs about 6.0 lb at 3 months (most between 4.3 and 7.8 lb). A typical female weighs about 5.4 lb (most between 3.9 and 7.1 lb).
How much should a Border Terrier puppy weigh at 6 months?
A typical male Border Terrier weighs about 11 lb at 6 months (most between 8.8 and 13 lb). A typical female weighs about 9.7 lb (most between 7.8 and 12 lb).
How much does a Border Terrier weigh at 1 year?
A typical male Border Terrier weighs about 14 lb at 12 months (most between 12 and 15 lb). A typical female weighs about 12 lb (most between 10 and 13 lb).
When does a Border Terrier stop gaining weight?
The typical Border Terrier puppy reaches about 90% of its adult weight around 9 months. The last few percent come on slowly after that. Large and giant breeds fill out for longer than small ones.
How accurate is the Border Terrier 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
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.