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Male & Female Chihuahua Weights & Heights by Age

Written by: Ejay C.
| Published on August 9, 2023

Chihuahuas, renowned for their diminutive size and spirited personalities, often spark curiosity about their growth patterns. As one of the smallest dog breeds globally, understanding their developmental trajectory is crucial for owners wanting to ensure optimum health. This article delves into the average weights and heights of Chihuahua puppies, charting their progression from birth to adulthood. Whether you’re a proud Chihuahua parent or just a canine enthusiast, this comprehensive guide offers insights into what to expect as these tiny wonders blossom.

Male Chihuahua Weights & Heights by Age

The following chart contains the average weights and heights of a male Chihuahua from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Chihuahua’s growth.

Age Average Weight (pounds) Average Weight (kg) Average Height (inches) Average Height (cm)
Newborn 0.1 – 0.25 0.045 – 0.113 2-3 5-7.6
1 month 0.5 – 1 0.2 – 0.45 3-4 7.6-10
2 months 1 – 1.5 0.45 – 0.7 4-5 10-12.7
3 months 1.5 – 2 0.7 – 0.9 5-6 12.7-15.2
4 months 2 – 2.5 0.9 – 1.1 5.5-6.5 14-16.5
5 months 2.5 – 3 1.1 – 1.4 6-7 15.2-17.8
6 months 2.5 – 3.5 1.1 – 1.6 6-7.5 15.2-19
7-9 months 2.5 – 4 1.1 – 1.8 6.5-8 16.5-20.3
10-12 months 2.5 – 4.5 1.1 – 2 6.5-8.5 16.5-21.6
2 years 3 – 6 1.4 – 2.7 7-9 17.8-22.9
3 years 3 – 6.5 1.4 – 2.9 7-9.5 17.8-24.1

 

Female Chihuahua Weights & Heights by Age

The following chart contains the average weights and heights of a female Chihuahua from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Chihuahua ‘s growth.

Age Average Weight (pounds) Average Weight (kg) Average Height (inches) Average Height (cm)
Newborn 0.1 – 0.25 0.045 – 0.113 2-3 5-7.6
1 month 0.5 – 0.9 0.2 – 0.4 3-4 7.6-10
2 months 0.9 – 1.4 0.4 – 0.6 4-5 10-12.7
3 months 1.2 – 2 0.5 – 0.9 5-6 12.7-15.2
4 months 1.5 – 2.5 0.7 – 1.1 5-6.5 12.7-16.5
5 months 2 – 3 0.9 – 1.4 5.5-6.5 14-16.5
6 months 2 – 3.5 0.9 – 1.6 5.5-7 14-17.8
7-9 months 2 – 4 0.9 – 1.8 5.5-7.5 14-19
10-12 months 2 – 4.5 0.9 – 2 6-8 15.2-20.3
2 years 2.5 – 5.5 1.1 – 2.5 6.5-8.5 16.5-21.6
3 years 2.5 – 6 1.1 – 2.7 6.5-9 16.5-22.9

Remember, individual Chihuahuas can fall outside of these averages, and it’s essential to focus on overall health rather than specific numbers. Always consult with a veterinarian regarding your dog’s health and growth concerns.

 

FAQs about a Chihuahua Puppy’s Growth and Development

  1. How big will my Chihuahua get? Chihuahuas are considered toy breeds, typically weighing between 4 to 6 pounds as adults. However, some can be as light as 2 pounds or as heavy as 10 pounds. Their height can vary but generally ranges from 5 to 8 inches at the shoulder.
  2. When will my Chihuahua puppy stop growing? Chihuahuas typically reach their full size around 10 to 12 months of age. However, they might fill out or mature in appearance until they are about 18 months old.
  3. Is there a way to predict my Chihuahua’s adult size? You can estimate your puppy’s adult weight by doubling its weight at 14 weeks. However, genetics play a large role, so looking at the parents’ size can give you a better indication.
  4. Why do some Chihuahuas have larger ears than others? Ear size can vary due to genetics. As your puppy grows, its ears might become more proportional to its body.
  5. Why is my Chihuahua puppy’s head shape changing? Chihuahuas can have two types of head shapes: apple-headed and deer-headed. Their heads can change shape as they grow, and the final form will typically be evident by 6 months.
  6. Is it normal for my Chihuahua puppy to have soft spots on their skull? Yes, Chihuahuas often have a soft spot or “molera” on their skull. While many close up as the dog matures, some might remain open but pose no health risk.
  7. What should I feed my growing Chihuahua puppy? Feed them high-quality puppy food that’s specially formulated for small breeds. This ensures they get the right nutrients for growth.
  8. How often should my Chihuahua puppy eat? Puppies should be fed 3 to 4 times a day until they are 6 months old, after which you can reduce it to 2 times daily.
  9. Why is my Chihuahua puppy’s coat color changing? Coat color can change as Chihuahuas mature. This is due to genetics and is completely normal.
  10. Is my Chihuahua puppy overweight? Check with your veterinarian, but you should be able to feel your puppy’s ribs without pressing hard and see a visible waistline from above.
  11. How can I ensure my Chihuahua puppy grows strong bones? Ensure they have a balanced diet, get regular exercise, and avoid excessive jumping or rough play.
  12. Why are my Chihuahua puppy’s legs bowing? This could be due to genetics or nutritional issues. It’s essential to consult with a veterinarian.
  13. How long until my Chihuahua’s teeth are fully grown? Puppies usually have a full set of baby teeth by 8 weeks and adult teeth by 7 months.
  14. Is it normal for Chihuahua puppies to be born with short tails? Yes, Chihuahuas can be born with varying tail lengths due to genetics.
  15. What exercise is suitable for my growing Chihuahua? Short walks and indoor play sessions are ideal. Avoid strenuous activities until they’re fully grown.
  16. When should I switch from puppy to adult food? Typically, at around 10 to 12 months of age, but consult with your vet to determine the best time for your specific dog.
  17. Why does my Chihuahua puppy sleep so much? Puppies, like babies, need plenty of sleep for growth. This is completely normal.
  18. Can growth spurts affect my Chihuahua’s behavior? Yes, during growth spurts, puppies might be more lethargic or even slightly irritable.
  19. How much water should my Chihuahua puppy drink? Always ensure fresh water is available. Puppies might drink about a half cup to a cup of water daily, depending on size and activity.
  20. Are there growth supplements I should give my Chihuahua puppy? Only administer supplements if advised by your veterinarian. Over-supplementing can cause more harm than good.

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