teacup cavapoo puppies for sale louisiana How big do teacup Cavapoo puppies get? How Big Does A Teacup Cavapoo Get? A fully grown Teacup Cavapoo will get to about 8 to 10 inches tall (20.3cm to 25.4cm) and will weigh 8 to 15 pounds (3.6kg to 6.8kg). They are a very small breed. If you’re in search…