4.5 – 11 kg Click to see full answer Also know, what size is a Boston Terrier considered?Size. The Boston Terrier comes in three weight classes: under 15 pounds, 15 to 19 pounds, and 20 to 25 pounds. They typically stand 12 to 17 inches tall at the shoulder. No matter what they weigh, they should look sturdy, never skinny or spindly.Similarly, are Boston Terriers one person dogs? But in general, the Boston Terrier is an altogether dapper and charming little dog. Extremely sensitive to his owner’s moods, some Boston Terriers are one-person dogs, with a special affinity for the elderly. But many are outgoing with everyone, and even the ones who are a bit standoffish are polite. Likewise, people ask, are there different types of Boston terriers? Hybrid Boston Terrier Mix Types If a Boston Terrier Breeds with: The New Breed is a: Bulldog English Boston Bulldog Cairn Terrier Cairoston Chihuahua Boston Huahua Boston Terrier Chihuahua Mix Chinese Shar-Pei Sharbo How much should a 6 month old Boston Terrier weight? Growth of Boston Terrier male: According to its size, the weight of the Boston Terrier male at 3 months should be between 2 and 4.7 kg. At 6 months, the Boston Terrier male weighs on average between 3.6 kg for the smallest individuals and 8.5 kg for the largest individuals.