It's about as tall as a Bowling Pin.
(USBC specifications; tenpin)
It's about three-fifths as long as a Woman's Footstep.
In other words, 381 milimeters is 0.58 times the length of a Woman's Footstep, and the length of a Woman's Footstep is 1.7 times that amount.(for healthy, middle-aged woman of average height; single step length)
It's about half as long as a Man's Footstep.
In other words, 381 milimeters is 0.48 times the length of a Man's Footstep, and the length of a Man's Footstep is 2.1 times that amount.(for healthy, middle-aged man of average height; single step length)
It's about half as tall as Verne Troyer.
In other words, 381 milimeters is 0.47 times the height of Verne Troyer, and the height of Verne Troyer is 2.1 times that amount.(1969-) (actor)
Verne Troyer, most famous for his role as Mini-Me in the Austin Powers series, is an LP with a height of 810 milimeters. Troyer's first role was as a stunt double for a baby in the 1994 film Baby's Day Out.
It's about two-fifths as tall as General Tom Thumb.
In other words, 381 milimeters is 0.42 times the height of General Tom Thumb, and the height of General Tom Thumb is 2.4 times that amount.(a.k.a. Charles Sherwood Stratton) (1838-1883) (circus performer; height at death)
It's about one-third as tall as Kenny Baker.
In other words, the height of Kenny Baker is 2.9 times 381 milimeters.(a.k.a. Kenneth George Baker) (1934-) (actor)
It's about one-third as tall as Hervé Villechaize.
In other words, the height of Hervé Villechaize is 3.1 times 381 milimeters.(a.k.a. Hervé Jean-Pierre Villechaize) (1943-1993) (actor)