The height of an American Staffordshire Bull Terrier is 17–19 in (43–48 cm) tall and weighs between 40–70 lb (18–32 kg).The American Kennel Club (AKC) describes the breed as "confident, smart and good-natured". American Staffordshire Terriers are similar to American Pit Bull Terriers, though the American Pit Bull Terrier is not recognized by the American Kennel Club.[6] The breed was accepted by the AKC in 1936. It should not be confused with the Staffordshire Bull Terrier of the United Kingdom.