Weight, Height & Life Expectancy Most Boston Terriers are approximately 38-43 cm tall and typically weigh between 4.5-11.5 kg. You can expect to enjoy at least 13 pleasurable years with your Boston Terrier. Personality Boston Terriers are exceptionally intelligent, lively and alert small dogs. Plus, they are warm, gentle and very loveable. If you are considering bringing a Boston Terrier home, be prepared to have a special friend at your side. As an active member of the family, their sense of loyalty and duty extends to children and other family pets too. Grooming and Exercise Boston Terriers are easy to care for, given their short, smooth coats. As shedding is quite minimal, using a grooming mitt once a week should be enough to rid their coat of any dead hairs. As Boston Terriers are active dogs, they do require brief daily exercise, which can be served up through fun and play. Get ...