It's about three times as long as a Twin Size bed.
In other words, 216 inches is 2.880 times the length of a Twin Size bed, and the length of a Twin Size bed is 0.34720 times that amount.(North American/Australian standard; length; mattress only)
A Twin-Size mattress measures 75 inches from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.
It's about three times as tall as a Refrigerator (Side-by-side).
In other words, 216 inches is 3.07 times the height of a Refrigerator (Side-by-side), and the height of a Refrigerator (Side-by-side) is 0.3260 times that amount.(a.k.a. Fridge, a.k.a Icebox) (for G.E. Profile model no. PSDW3YGXSS; total exterior height)
A common refrigerator model measures 70.50 inches in total exterior height. When General Electric released its first widely-marketed refrigerator — the "Monitor Top" model — in 1927, it sold over one million units.
It's about three times as tall as Napoleon.
In other words, 216 inches is 3.20 times the height of Napoleon, and the height of Napoleon is 0.310 times that amount.(a.k.a. Napoleon Bonaparte; a.k.a. Napoleon I, a.k.a. Napoleone di Buonaparte) (1759-1821) (French leader)
Despite his frequent characterizations as much shorter than average, Napoleon was a period-average height of approximately 67 inches. The mis-characterizations have been attributed to British propaganda and to the confusion between French and British units of measurements used at the time.
It's about three-and-a-half times as tall as Muggsy Bogues.
In other words, the height of Muggsy Bogues is 0.290 times 216 inches.(Tyrone Curtis Bogues) (1965-) (professional basketball player, most famously of the Charlotte Hornets)
Muggsy Bogues, the shortest player to ever play in the NBA, is 63 inches tall. Following his retirement from playing, he went on to coach the WNBA's Charlotte Sting, where he was also shorter than any of the players he coached.
It's about three-tenths as long as a Bowling Lane.
In other words, 216 inches is 0.286410 times the length of a Bowling Lane, and the length of a Bowling Lane is 3.49150 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 754.170 inches. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about one-fourth as long as a Cricket Pitch.
In other words, 216 inches is 0.2727270 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 3.666670 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 792 inches. The wickets at either end of the pitch stand 28.34650 inches tall including the bails.
It's about three-and-a-half times as tall as Danny DeVito.
In other words, the height of Danny DeVito is 0.270 times 216 inches.(a.k.a. Daniel Michael DeVito, Jr.) (1944-) (actor)
Danny DeVito, best known for his role as Louie De Palma in the 1978-83 television series Taxi, is 59 inches tall. After graduating from high school, DeVito became a licensed cosmetician and it was out of interest in cosmetology that he first enrolled at the American Academy of Dramatic Arts and later began to study acting.