Cavapoo Puppy Weight Calculator & Growth Chart
A cross between a Cavalier King Charles Spaniel and a Poodle (Miniature or Toy). Cavapoo growth follows a rapid sigmoid curve, reaching roughly 50% of adult weight between 14 and 16 weeks.
Cavapoo Weight Calculator
Estimated Adult Weight
Cavapoo Pediatric Growth Trajectory
Biological sigmoid curve showing healthy weight progression by age (weeks).
Shaded area represents healthy ±1 standard deviation AKC breed corridor.
Growth Velocity Note
Peak growth velocity occurs between 8 and 16 weeks. Growth slows noticeably around 6 months.
Veterinary Feeding Guidance:
Feed high-quality small-breed puppy kibble with balanced calcium-to-phosphorus ratios to support compact bone development.
Cavapoo Week-by-Week Weight Milestones
Reference data for healthy Cavapoo puppies based on veterinary pediatric percentiles.
| Puppy Age | Expected Weight (lbs) | Expected Weight (kg) | Developmental Milestone |
|---|---|---|---|
| 8 Weeks (2 mo) | 2.5–4.5 lbs | 1.1–2.0 kg | Weaning transition & initial socialization |
| 12 Weeks (3 mo) | 5.0–8.5 lbs | 2.3–3.9 kg | Rapid bone & muscle elongation |
| 16 Weeks (4 mo) | 7.5–12.0 lbs | 3.4–5.4 kg | ~50-60% of mature adult weight |
| 24 Weeks (6 mo) | 10.0–16.0 lbs | 4.5–7.3 kg | Teething concludes; structural frame stabilizes |
| 36 Weeks (8 mo) | 11.5–19.0 lbs | 5.2–8.6 kg | ~90% adult weight reached |
| 52 Weeks (12 mo) | 12.0–22.0 lbs | 5.4–10.0 kg | Full mature adult skeletal weight |
When Do Cavapoo Growth Plates Close?
For the Cavapoo (small breed classification), epiphyseal growth plates typically close between 9–11 months. Until these cartilaginous zones calcify into solid bone, the skeletal structure is particularly vulnerable to impact trauma.
- Avoid repetitive high-impact jumping (such as off tall beds or out of SUVs).
- Postpone intense agility hurdles or forced running on concrete until growth plate fusion is complete.
- Maintain lean body condition: excess puppy fat places unnecessary biomechanical torque on immature ligaments.
Nutrition & Weight Maintenance
Caloric demand peaks between 8 and 16 weeks, during which puppies require up to twice the calories per pound of body weight compared to adult dogs.
Feed high-quality small-breed puppy kibble with balanced calcium-to-phosphorus ratios to support compact bone development. Weigh your puppy bi-weekly and adjust portions according to their body condition score (BCS) rather than bag recommendations alone.
Cavapoo Weight & Size Questions
When is a Cavapoo fully grown?
Most Cavapoos reach their full adult height and skeletal frame by 9 to 11 months, with minor muscle filling through 12 months.
How big will my Cavapoo puppy get?
Adult Cavapoos typically weigh between 10 and 22 lbs, depending on whether their Poodle parent was a Toy (10–14 lbs) or Miniature (14–22 lbs).
How much should a 3-month-old Cavapoo weigh?
At 12 weeks (3 months), a healthy Cavapoo puppy usually weighs between 5.0 and 8.5 lbs.