Josh Groban is a 43-year-old . We trawled the web to determine that Josh Groban's height is 5ft 10 (177.8 cm). This makes him 0.9 inches taller than the average male in the United States. Are you looking for more information about Josh Groban and his career? We found resources at allmusic.com, imdb.com, ibdb.com & discogs.com.