Cavapoo Size Chart
A Cavapoo’s size comes almost entirely from its Poodle parent. A Cavalier King Charles Spaniel is 13–18 lb (AKC); crossed with a Toy Poodle you get a Toy Cavapoo (about 7–13 lb), and with a Miniature Poodle a Miniature Cavapoo (about 12–25 lb). There is no Cavapoo breed standard, so the best guide is the parents — enter their weights to estimate.
By Sikander Malik · Updated October 15, 2026 · Sources

Photo: Christy Day / Pexels
Expected adult size
Roughly 7–12 lb
From the lighter parent to the average of both. Mixed breeds vary a lot, so treat this as a rough guide.
Estimates only, not veterinary advice. Ask your vet about your pet’s health.
Cavapoo sizes
There is no Cavapoo breed association or size standard. Size is set by the Poodle parent, which is AKC-standardised. Toy and Miniature are commonly used breeder categories, not a breed standard; the overall Cavapoo range is about 9–22 lb and 9–13 in (Wikipedia).
| Size | Height at the withers | Adult weight |
|---|---|---|
| Toy | About 9–12 in | About 7–13 lb |
| Miniature | About 12–16 in | About 12–25 lb |
| Age | Toy | Miniature |
|---|---|---|
| 3 mo | 4.2 | 8.0 |
| 4 mo | 5.5 | 10.5 |
| 5 mo | 6.5 | 12.7 |
| 6 mo | 7.4 | 14.6 |
| 8 mo | 8.6 | 16.6 |
| 10 mo | 8.9 | 17.4 |
| 12 mo | 9.3 | 17.6 |
| 15 mo | 9.6 | 17.8 |
| 18 mo | 9.7 | 18.1 |
| 24 mo ‡ | 10.0 | 18.5 |
Growth data starts at 12 weeks, so younger ages are not shown.
| Size | Typical crate |
|---|---|
| Toy | 18–22 in |
| Miniature | 24 in |
For a harness, measure chest girth. See the harness size chart.
The parents set the size
A Cavapoo sits between its two parent breeds, and the Poodle side decides whether it is a Toy or a Miniature. The Poodle standard is set by height, not weight, so the Poodle weights below are typical figures.
| Parent breed | Height | Weight |
|---|---|---|
| Cavalier King Charles Spaniel | 12–13 in | 13–18 lb |
| Toy Poodle | up to 10 in | ~4–6 lb (typical) |
| Miniature Poodle | over 10–15 in | ~10–15 lb (typical) |
Toy and Miniature are the common breeder categories; there is no Cavapoo breed association or size standard, and individual dogs vary. For a mixed breed the parents are a better guide than any chart.
The method, with two examples
Because there is no Cavapoo breed standard, we start from the parents. A rough rule is that a puppy lands between the lighter parent and the average of both. The two labels — Toy and Miniature — are commonly used breeder categories set by the Poodle parent, not an official standard. To show weight by age, we scale the Salt et al. (2017) median growth curve to each category’s representative weight, capped at the adult weight.
Example 1. A Toy Poodle mother of 6 lb and a Cavalier father of 16 lb point to roughly 6–11 lb as adults (from the lighter parent up to the average of both), a Toy Cavapoo.
Example 2. A Miniature puppy at 16 weeks weighing 8 lb is about 53% of its adult weight, projecting to about 15 lb, inside the 12–25 lb Miniature range.
Questions owners ask
What are the Cavapoo sizes?
How big will my Cavapoo get?
What is the difference between a Toy and Mini Cavapoo?
When is a Cavapoo full grown?
How accurate is this size chart?
About the data
Sizes are the Wikipedia (Cavapoo) and the AKC parent-breed standards categories. The weight-by-age figures scale the Salt et al. (2017) growth data (60,951 healthy dogs) to those size bounds. Mixes vary more than purebreds, so for your own puppy the puppy weight calculator (enter the current weight) gives a tighter estimate.
Related size charts
Related tools
Sources
- Wikipedia, Cavapoo (overall size range; no established breed standard). Accessed Oct 14, 2026.
- American Kennel Club, Cavalier King Charles Spaniel breed standard (12–13 in, 13–18 lb). Accessed Oct 14, 2026.
- American Kennel Club, Toy Poodle (height up to 10 in). Accessed Oct 14, 2026.
- American Kennel Club, Miniature Poodle (height over 10 to 15 in). Accessed Oct 14, 2026.
- Salt C, Morris PJ, German AJ, et al. Growth standard charts for monitoring bodyweight in dogs. PLoS ONE 2017;12(9):e0182064. Accessed Oct 14, 2026.
Estimates only, not veterinary advice. Ask your vet about your pet’s health.



