What Age Is A French Bulldog Fully Grown. Smaller breed like the Westie will in most cases have a full-sized frame after six to eight months and they will have adult weight by the time they have reached 12 months. Be realistic in your expectations of your French bulldog at this time.
They are considered fully mature at about 18 months but continue to grow muscles for a few months longer. Its really hard to tell by one photo and sometimes the smallest most off looking pup can end up growing into the most beautiful. At 6 months old you can expect your male French Bulldog to have grown to be somewhere between 155 236 lbs 70 107kg.
As seen in the French Bulldog growth chart a.
So lets look at some numbers. Only time will tell. An adult Frenchie can weigh as much as 28 pounds and if you have a Frenchie that weighs more you have to ask your vet if your dog will be okay. A French Bulldog is known for being a small to a medium-sized dog.
