Chihuahua weight by age
Typical weight by age for a Chihuahua with an adult weight of about 5.1 lb (male) or 5.1 lb (female). The range shows where most puppies fall.
| Age | Male | Female |
|---|---|---|
| 2 months | 1.5 lbrange 1.0–2.2 lb | 1.5 lbrange 1.0–2.2 lb |
| 3 months | 2.2 lbrange 1.5–3.0 lb | 2.2 lbrange 1.5–3.0 lb |
| 4 months | 2.9 lbrange 2.1–3.7 lb | 2.9 lbrange 2.1–3.7 lb |
| 5 months | 3.5 lbrange 2.7–4.3 lb | 3.5 lbrange 2.7–4.3 lb |
| 6 months | 3.9 lbrange 3.1–4.7 lb | 3.9 lbrange 3.1–4.7 lb |
| 8 months | 4.4 lbrange 3.6–5.1 lb | 4.4 lbrange 3.6–5.1 lb |
| 10 months | 4.6 lbrange 3.8–5.3 lb | 4.6 lbrange 3.8–5.3 lb |
| 12 months | 4.8 lbrange 4.1–5.3 lb | 4.8 lbrange 4.1–5.3 lb |
Divide pounds by 2.2 for kilograms.
Adult weight
AKC breed page: not exceeding 6 pounds. The calculator uses about 5.1 lb for males and 5.1 lb for females as the typical adult weight.
Common questions
How much should a Chihuahua puppy weigh at 3 months?
A typical male Chihuahua weighs about 2.2 lb at 3 months (most between 1.5 and 3.0 lb). A typical female weighs about 2.2 lb (most between 1.5 and 3.0 lb).
How much should a Chihuahua puppy weigh at 6 months?
A typical male Chihuahua weighs about 3.9 lb at 6 months (most between 3.1 and 4.7 lb). A typical female weighs about 3.9 lb (most between 3.1 and 4.7 lb).
How much does a Chihuahua weigh at 1 year?
A typical male Chihuahua weighs about 4.8 lb at 12 months (most between 4.1 and 5.3 lb). A typical female weighs about 4.8 lb (most between 4.1 and 5.3 lb).
When does a Chihuahua stop gaining weight?
The typical Chihuahua 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 Chihuahua 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.