Xoloitzcuintli Puppy Weight Calculator

Calculate the adult weight for your Xoloitzcuintli. Just type your puppy’s current weight and age, and see how big your puppy gets.

Xoloitzcuintli Breed Overview

The Xoloitzcuintli, often called the Mexican Hairless Dog, is one of the world’s oldest and rarest breeds, dating back over 3,000 years to the Aztec and Mayan civilizations. Revered as a sacred dog in ancient Mexico, the Xolo was believed to guide souls to the afterlife. Today, the breed is cherished as a loyal, calm, and intelligent companion. They are known for their affectionate yet watchful nature, making them excellent family dogs and guardians.

The Xolo comes in three sizes: toy, miniature, and standard. This means they can range from small to large, depending on the variety. Growth tracking is especially important because each size category has different weight expectations and growth speeds. Monitoring your puppy’s development ensures they stay within healthy ranges for their size, preventing obesity or stunted growth (American Kennel Club).

Xoloitzcuintli Growth Chart & Weight Ranges

Age	Toy (5–15 lbs adult)	Miniature (15–30 lbs adult)	Standard (30–55 lbs adult)
4 weeks	1–2 lbs	2–3 lbs	4–6 lbs
8 weeks	2–4 lbs	4–6 lbs	8–12 lbs
3 months	3–6 lbs	7–12 lbs	15–22 lbs
6 months	4–8 lbs	12–18 lbs	25–35 lbs
9 months	5–10 lbs	14–22 lbs	30–45 lbs
12 months	5–15 lbs	15–30 lbs	30–55 lbs

Gender differences: Male Xolos are often slightly larger and 5–10 lbs heavier than females, especially in the standard size.

How Much Bigger Will My Xoloitzcuintli Puppy Get?

• Toy and miniature Xolos usually reach 50% of adult weight by 3–4 months and are nearly full-grown by 9–12 months.
• Standard Xolos reach 50% of adult weight by 5–6 months, and most finish growing around 12–15 months.

A general rule of thumb is: Double your puppy’s weight at 16 weeks for a good adult size estimate.

Note: Unlike giant breeds, Xolos mature relatively early, though standard Xolos may continue filling out until about 15–18 months.

Xoloitzcuintli Growth Tips

Nutrition

• Feed a size-appropriate, balanced puppy food (toy/miniature need small-breed formulas, standard needs medium/large-breed formulas).
• Puppies do best on 3 meals per day until 6 months, then transition to 2 meals daily.
• Xolos are prone to sensitive stomachs, so avoid overfeeding and stick to high-quality proteins and grains.

Exercise

• Xolos are active but not hyper. Provide daily walks and play without overexertion.
• Toy and miniature Xolos need gentler exercise, while standards can handle longer sessions.
• Avoid intense jumping or running until growth plates close (around 12–15 months for standards).

Health Watch

• Growth-related orthopaedic problems are less common in Xolos than in giant breeds; however, hip dysplasia can still occur in standard-sized dogs.
• Dental care is especially important in toy and miniature sizes.
• Because of their hairless variety, monitor for skin issues and protect them from extreme sun or cold (VCA Animal Hospitals).