Chihuahua Full Grown: Size & Weight
A full-grown Chihuahua weighs about 2–6 lb and stands roughly 5–8 in tall at the shoulder.
Have a Chihuahua puppy? Estimate its adult size
Built on the toy growth curve, clamped to the breed's range.
Chihuahua growth chart
How a toy-size dog like the Chihuahua fills out over its first months. Switch between percent of adult weight and pounds, and enter a weigh-in above to plot your puppy.
- Chihuahua
- Your puppy
Median curves computed from ~89,000 healthy dogs aged 2–24 months in the open Salt et al. 2017 dataset (PLOS ONE, CC BY 4.0), grouped into PuppySize's five size classes.
- Chihuahua · 2–6 lb
- Your puppy
Each shaded band shows the typical weight range at every age, with the line marking the middle of that range.
| Age | % of adult weight | Estimated weight |
|---|---|---|
| 2 months | 37.9% | 1–2 lb |
| 3 months | 53.6% | 1–3 lb |
| 4 months | 69.6% | 1–4 lb |
| 5 months | 81.7% | 2–5 lb |
| 6 months | 87.5% | 2–5 lb |
| 7 months | 91.1% | 2–5 lb |
| 8 months | 94.6% | 2–6 lb |
| 9 months | 96.4% | 2–6 lb |
| 10 months | 100% | 2–6 lb |
How confident is this estimate? Based on an official breed standard or cross-checked veterinary/registry sources.
About this breed's data: Weight is AKC official standard verbatim: not to exceed 6 lb (over 6 lb is a disqualification). The AKC standard states NO height; the ~5-8 in figure is a common breed-info reference, NOT from the standard. 'Teacup' is not an AKC category.
Sources: AKC Official Standard of the Chihuahua (PDF), Salt et al. 2017 (PLOS ONE) growth data.
Chihuahua questions
How big do Chihuahuas get?
When do Chihuahuas stop growing?
Are these Chihuahua size estimates accurate?
Similar-size breeds
Other toy-size breeds people compare with the Chihuahua.