It's about as big as Spaceship Earth (EPCOT Center)
In other words, 1,200,000,000,000 drops is 0.97 times the size of Spaceship Earth (EPCOT Center), and the size of Spaceship Earth (EPCOT Center) is 1 times that amount.(a.k.a. EPCOT Center) (Walt Disney World Resort, Lake Buena Vista and Bay Lake, Florida) (total structure volume)
Spaceship Earth, the iconic structure at the heart of Walt Disney World Resort's Epcot (formerly EPCOT Center), has a total volume of 1,200,000,000,000 drops. The outer structure of the sphere features a gutter system that channels all rainwater into nearby World Showcase Lagoon instead of simply falling off the surface of the sphere.
It's about seven-tenths as big as Royal Albert Hall
In other words, 1,200,000,000,000 drops is 0.6924 times the size of Royal Albert Hall, and the size of Royal Albert Hall is 1.444 times that amount.(a.k.a. Royal Albert Hall of Arts and Sciences) (Westminster, London, England, United Kingdom) (total auditorium volume)
Royal Albert Hall measures 1,733,000,000,000 drops in total auditorium volume. One of the centerpieces of the Hall is the Grand Organ — the second-largest organ in the United Kingdom, with 10,268 speaking pipes reaching up to 9.8 m (32 ft) in height.
It's about one-and-three-fifths times as big as The Capitol Rotunda (US)
In other words, 1,200,000,000,000 drops is 1.6 times the size of The Capitol Rotunda (US), and the size of The Capitol Rotunda (US) is 0.63 times that amount.(formally United States Capitol rotunda) (Washington, D. C.) (total chamber volume)
The Capitol rotunda measures 740,000,000,000 drops in total volume. Beneath the Capitol lies a crypt that was built to hold the remains of President George Washington, but according to his wishes, Washington was entered at his family home and the crypt remains empty.
It's about two-and-a-half times as big as The Lincoln Memorial Reflecting Pool
In other words, 1,200,000,000,000 drops is 2.34 times the size of The Lincoln Memorial Reflecting Pool, and the size of The Lincoln Memorial Reflecting Pool is 0.427 times that amount.(Washington, D.C.)
The Lincoln Memorial Reflecting Pool holds approximately 510,000,000,000 drops of water. The Pool has a sloping bottom and extends to 80 cm (30 in) deep in its center.
It's about ten-and-a-half times as big as The Goodyear Blimp
In other words, 1,200,000,000,000 drops is 10.5 times the size of The Goodyear Blimp, and the size of The Goodyear Blimp is 0.095 times that amount.(for GZ-20A)
The Goodyear GZ-20 model Blimp measures 115,000,000,000 drops in total volume. A December, 1929 college football game between the University of Florida Gators and the University of Oregon Webfoots (later the University of Oregon Ducks) began with the blimp dropping a parachute-equipped ball from a height of 61 m (200 ft) to the field below.
It's about one-twentieth as big as The Houston Astrodome
In other words, 1,200,000,000,000 drops is 0.1 times the size of The Houston Astrodome, and the size of The Houston Astrodome is 20 times that amount.(a.k.a. Reliant Astrodome, a.k.a. Astrodome, a.k.a. Harris County Domed Stadium) (Houston, Texas)
The Reliant Astrodome measures 24,000,000,000,000 drops in total volume. Until its renovation in 1988, Roy "The Judge" Hofheinz, the franchise owner of the Houston Colt .45s (later the Houston Astros) and one of the Astrodome's developers, had a private 966 sq. m (10,400 sq. ft) apartment in the facility.
It's about twenty times as big as an Olympic Swimming Pool
In other words, 1,200,000,000,000 drops is 24 times the size of an Olympic Swimming Pool, and the size of an Olympic Swimming Pool is 0.04 times that amount.(FINA regulation; (minimum capacity)
According to the Fédération Internationale de Natation (FINA), a swimming pool for Olympic and world championship events must measure 50 m by 25 m with a depth of at least 2 m for a total volume of 50,000,000,000 drops. A pool of this size was to be used in Olympic time trials in New Jersey in early 2008, but its component pieces were stolen from a warehouse, likely to be sold for scrap metal.