Welsh Terrier weight by age
Typical weight by age for a Welsh Terrier with an adult weight of about 20 lb (male) or 18 lb (female). The range shows where most puppies fall.
| Age | Male | Female |
|---|---|---|
| 2 months | 5.1 lbrange 3.5–6.9 lb | 4.8 lbrange 3.3–6.4 lb |
| 3 months | 7.7 lbrange 5.5–10 lb | 7.2 lbrange 5.2–9.3 lb |
| 4 months | 10 lbrange 7.9–13 lb | 9.6 lbrange 7.4–12 lb |
| 5 months | 13 lbrange 10–16 lb | 12 lbrange 9.6–14 lb |
| 6 months | 15 lbrange 12–18 lb | 13 lbrange 11–16 lb |
| 8 months | 17 lbrange 14–20 lb | 16 lbrange 13–18 lb |
| 10 months | 18 lbrange 15–20 lb | 16 lbrange 14–18 lb |
| 12 months | 19 lbrange 16–21 lb | 17 lbrange 15–19 lb |
Divide pounds by 2.2 for kilograms.
Adult weight
AKC breed page: 20 pounds (male), proportionally smaller (female). The source gives no number for females, only that they are slightly smaller, so we use 90% of the male weight. The calculator uses about 20 lb for males and 18 lb for females as the typical adult weight.
Common questions
How much should a Welsh Terrier puppy weigh at 3 months?
A typical male Welsh Terrier weighs about 7.7 lb at 3 months (most between 5.5 and 10 lb). A typical female weighs about 7.2 lb (most between 5.2 and 9.3 lb).
How much should a Welsh Terrier puppy weigh at 6 months?
A typical male Welsh Terrier weighs about 15 lb at 6 months (most between 12 and 18 lb). A typical female weighs about 13 lb (most between 11 and 16 lb).
How much does a Welsh Terrier weigh at 1 year?
A typical male Welsh Terrier weighs about 19 lb at 12 months (most between 16 and 21 lb). A typical female weighs about 17 lb (most between 15 and 19 lb).
When does a Welsh Terrier stop gaining weight?
The typical Welsh Terrier puppy reaches about 90% of its adult weight around 10 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 Welsh 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.