It's about as big as The Capitol Rotunda (US)
(formally United States Capitol rotunda) (Washington, D. C.) (total chamber volume)
The Capitol rotunda measures 2,500,000,000 tablespoons 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 three-fifths as big as Spaceship Earth (EPCOT Center)
In other words, the size of Spaceship Earth (EPCOT Center) is 1.70 times 2,500,000,000 tablespoons.(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 4,200,000,000 tablespoons. 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 two-fifths as big as Royal Albert Hall
In other words, 2,500,000,000 tablespoons is 0.42660 times the size of Royal Albert Hall, and the size of Royal Albert Hall is 2.3440 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 5,860,000,000 tablespoons 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-thirtieth as big as The Houston Astrodome
In other words, the size of The Houston Astrodome is 32 times 2,500,000,000 tablespoons.(a.k.a. Reliant Astrodome, a.k.a. Astrodome, a.k.a. Harris County Domed Stadium) (Houston, Texas)
The Reliant Astrodome measures 81,000,000,000 tablespoons 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 one-forty-fifth as big as The Melbourne Cricket Ground
In other words, the size of The Melbourne Cricket Ground is 45 times 2,500,000,000 tablespoons.(a.k.a. MCG, a.k.a. "The G") (Yarra Park, melbourne, Victoria, Australia) (internal volume)
The MCG has an internal volume of approximately 110,000,000,000 tablespoons. The first cricket game held on the site of the MCG was in 1853 when the Melbourne Cricket Club was granted permission to a roughly 0.04 sq. km (10-acre) area to be used "for cricket and no other purpose."
It's about one-sixty-fifth as big as The Great Pyramid of Giza
In other words, 2,500,000,000 tablespoons is 0.01522767 times the size of The Great Pyramid of Giza, and the size of The Great Pyramid of Giza is 65.669930 times that amount.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (including internal hillock)
The Great Pyramid of Giza has an estimated volume of 164,174,800,000 tablespoons including its internal hillock. The 2,300,000 stones used in the construction of the pyramid weighed an average 2.27 metric tons (2.06 short tons) and were quarried at distances of up to 805 km (500 mi) away.
It's about one-fifteen-thousandth as big as Sydney Harbour
In other words, the size of Sydney Harbour is 15,200 times 2,500,000,000 tablespoons.(formally Port Jackson, a.k.a. Sydney Harbor) (Sydney, New South Wales, Australia) (total estuary water volume at high tide)
Lending the term "sydharb" or "sydarb" to comparable quantities of water, Sydney Harbor contains approximately 38,000,000,000,000 tablespoons of water. Snapper Island, a onetime naval facility loocated in the Harbour, was transformed by the dredging efforts of the Australian Navy from a 2,360 sq. m (25,400 sq. ft) outcropping to a 16,500 sq. m (178,000 sq. ft) island shaped roughly in the outline of a boat.