How Big Will My Cavapoo Puppy Get. Giant = over 100 lbs. In addition to genetics being the primary influencer as to how big your cavapoo will grow, certain factors such as exercise, food consumption and health can also affect a dog’s growth.

If you want a slightly larger size adult, occasionally we have a litter of cavapoo puppies who will get a bit larger, up to about 16 pounds to 18 or 20 pounds. A week, with larger breeds gaining nearly six times this at around 2lb 5 oz. On average, the cavapoo puppy will mature to between 10 and 15 pounds.