Bernedoodles come in four main sizes: tiny (also called micro), mini, medium, and standard. Tiny Bernedoodles typically weigh between 10 and 24 pounds, minis between 25 and 35 pounds, mediums between 36 and 50 pounds, and standards between 51 and 90 pounds. Size comes down mainly to which size Poodle was used in the cross, so the best way to estimate a puppy's adult size is still by looking at the actual parent dogs rather than the size label alone.
Medli, our mom, weighs 43.6 pounds. Joker, our dad, weighs 25 pounds. Averaging the two gives an expected adult weight of about 30 to 40 pounds, give or take, for this litter. This uses the most common parent-weight method breeders use to estimate puppy size, and it is far more reliable than a generic breed chart. Keep in mind individual puppies can land a few pounds above or below that average depending on genetics, even within the same litter.
Bernedoodles typically finish most of their growing between 12 and 18 months. Height and weight level off first; muscle and coat fill in after that.
Because genetics can vary even within one litter, treat any number as a range, not a guarantee. A puppy from the same parents can still land a few pounds heavier or lighter than a littermate.