Cairn Terrier weight by age
Typical weight by age for a Cairn 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 | 4.0 lbrange 2.8–5.4 lb | 3.8 lbrange 2.6–5.1 lb |
| 3 months | 5.9 lbrange 4.3–7.7 lb | 5.5 lbrange 4.0–7.2 lb |
| 4 months | 7.8 lbrange 6.0–9.7 lb | 7.2 lbrange 5.5–9.1 lb |
| 5 months | 9.6 lbrange 7.7–12 lb | 8.9 lbrange 7.1–11 lb |
| 6 months | 11 lbrange 8.6–13 lb | 9.9 lbrange 8.0–12 lb |
| 8 months | 12 lbrange 10–14 lb | 11 lbrange 9.4–13 lb |
| 10 months | 13 lbrange 11–14 lb | 12 lbrange 10–13 lb |
| 12 months | 13 lbrange 11–15 lb | 12 lbrange 11–14 lb |
Divide pounds by 2.2 for kilograms.
Adult weight
AKC breed page: 14 pounds (male), 13 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 Cairn Terrier puppy weigh at 3 months?
A typical male Cairn Terrier weighs about 5.9 lb at 3 months (most between 4.3 and 7.7 lb). A typical female weighs about 5.5 lb (most between 4.0 and 7.2 lb).
How much should a Cairn Terrier puppy weigh at 6 months?
A typical male Cairn Terrier weighs about 11 lb at 6 months (most between 8.6 and 13 lb). A typical female weighs about 9.9 lb (most between 8.0 and 12 lb).
How much does a Cairn Terrier weigh at 1 year?
A typical male Cairn Terrier weighs about 13 lb at 12 months (most between 11 and 15 lb). A typical female weighs about 12 lb (most between 11 and 14 lb).
When does a Cairn Terrier stop gaining weight?
The typical Cairn 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 Cairn 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.