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How big is 1,700,000 perches?

It's about as big as The Houston Astrodome
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The size of The Houston Astrodome is about 1,700,000 perches.
(a.k.a. Reliant Astrodome, a.k.a. Astrodome, a.k.a. Harris County Domed Stadium) (Houston, Texas)
The Reliant Astrodome measures 1,700,000 perches 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 seven-tenths as big as The Melbourne Cricket Ground
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The size of The Melbourne Cricket Ground is about 2,400,000 perches.
(a.k.a. MCG, a.k.a. "The G") (Yarra Park, melbourne, Victoria, Australia) (internal volume)
The MCG has an internal volume of approximately 2,400,000 perches. 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 half as big as The Great Pyramid of Giza
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The size of The Great Pyramid of Giza is about 3,463,854 perches.
(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 3,463,854 perches 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 fourteen times as big as Royal Albert Hall
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The size of Royal Albert Hall is about 123,600 perches.
(a.k.a. Royal Albert Hall of Arts and Sciences) (Westminster, London, England, United Kingdom) (total auditorium volume)
Royal Albert Hall measures 123,600 perches 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 nineteen times as big as Spaceship Earth (EPCOT Center)
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The size of Spaceship Earth (EPCOT Center) is about 88,000 perches.
(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 88,000 perches. 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 thirty times as big as The US Capitol Rotunda
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The size of The US Capitol Rotunda is about 53,000 perches.
(formally United States Capitol rotunda) (Washington, D. C.) (total chamber volume)
The Capitol rotunda measures 53,000 perches 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 45 times as big as The Lincoln Memorial Reflecting Pool
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The size of The Lincoln Memorial Reflecting Pool is about 36,500 perches.
(Washington, D.C.)
The Lincoln Memorial Reflecting Pool holds approximately 36,400 perches of water. The Pool has a sloping bottom and extends to 80 cm (30 in) deep in its center.
It's about 200 times as big as The Goodyear Blimp
The size of The Goodyear Blimp is about 8,190 perches.
(for GZ-20A)
The Goodyear GZ-20 model Blimp measures 8,190 perches 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-four-hundred-fiftieth as big as Sydney Harbour
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The size of Sydney Harbour is about 802,000,000 perches.
(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 802,000,000 perches 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.
It's about 500 times as big as an Olympic Swimming Pool
The size of an Olympic Swimming Pool is about 3,600 perches.
(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 3,600 perches. 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.
It's about 550 times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 3,100 perches.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 3,100 perches. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
It's about 100,000 times as big as a Concrete Mixer Truck
The size of a Concrete Mixer Truck is about 16 perches.
(a.k.a. cement mixer, a.k.a. cement mixer truck, a.k.a. cement transport truck, a.k.a. concrete mixer, a.k.a. concrete transport truck, a.k.a. in-transit mixer)(standard size; drum capacity)
A concrete mixer truck has a drum volume of up to 16 perches. Concrete mixer trucks can be in transit for about 90 minutes before the concrete dries — if the concrete dries while in the drum, jackhammers or even dynamite must be used to remove it.
It's about 1,500,000 times as big as a Hot Tub
The size of a Hot Tub is about 1.03 perches.
(for Lifesmart Rock Solid Simplicity Plug and Play 4 Person Spa With 12 Jets) (a.k.a. Spa, a.k.a. Jacuzzi, a.k.a. Whirlpool) (Advertised Capacity)
An average, four-person hot tub holds 1.03 perches of water. Modern hot tubs became popular outside of Japan starting in about 1940.
It's about 0.0000003 times as big as an Halley's Comet
The size of an Halley's Comet is about 5,700,000,000,000 perches.
(Comet Halley, officially "1P/Halley") (volume calculated based on 2005 dimensions)
Halley's Comet, the famous comet visible to observers on Earth approximately every 76 years, has a peanut- or potato-shaped nucleus made of rock, dust, ice, and various frozen gasses. The nucleus measures approximately 15 km by 8 km by 8 km, which yields a calculated volume of 5,700,000,000,000 perches. The coma of the Comet — the trail of sublimated gasses that give the Comet its visibility — may be up to 100,000 km in length.
It's about 0.0000003 times as big as The Grand Canyon
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The size of The Grand Canyon is about 5,950,000,000,000 perches.
(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
A dynamic and continuously changing landscape, the Grand Canyon has an approximate volume of 5,950,000,000,000 perches. The strata of the rock visible in the Canyon's walls display nearly 2 billion years of geological history.
 
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