Brian McKnight is a 54-year-old from Buffalo, New York, U.S.. We trawled the web to determine that Brian McKnight's height is 6ft 4 (193 cm). This makes him 6.9 inches taller than the average male in the United States. Are you looking for more information about Brian McKnight and his career? We found resources at & bmcknight.com.vibe.com & bmcknight.com.