It's about one-twenty-fifth as big as The Melbourne Cricket Ground
In other words, 1,800,000 bushels is 0.04 times the size of The Melbourne Cricket Ground, and the size of The Melbourne Cricket Ground is 27 times that amount.(a.k.a. MCG, a.k.a. "The G") (Yarra Park, melbourne, Victoria, Australia) (internal volume)
The MCG has an internal volume of approximately 48,000,000 bushels. 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 thirty times as big as a Hot Air Balloon
In other words, 1,800,000 bushels is 29 times the size of a Hot Air Balloon, and the size of a Hot Air Balloon is 0.03 times that amount.(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 62,000 bushels. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
It's about one-fortieth as big as The Great Pyramid of Giza
In other words, 1,800,000 bushels is 0.0261287 times the size of The Great Pyramid of Giza, and the size of The Great Pyramid of Giza is 38.27214 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 68,889,840 bushels 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 6,000 times as big as a Concrete Mixer Truck
In other words, 1,800,000 bushels is 5,800 times the size of a Concrete Mixer Truck, and the size of a Concrete Mixer Truck is 0.0002 times that amount.(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 310 bushels. 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 one-nine-thousandth as big as Sydney Harbour
In other words, 1,800,000 bushels is 0.00011 times the size of Sydney Harbour, and the size of Sydney Harbour is 8,850 times that amount.(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 15,900,000,000 bushels 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 90,000 times as big as a Hot Tub
In other words, 1,800,000 bushels is 88,200 times the size of a Hot Tub, and the size of a Hot Tub is 0.0000113 times that amount.(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 20.40 bushels of water. Modern hot tubs became popular outside of Japan starting in about 1940.
It's about 400,000 times as big as a Bathtub
In other words, 1,800,000 bushels is 400,000 times the size of a Bathtub, and the size of a Bathtub is 0.0000025 times that amount.(a.k.a. bath, a.k.a. tub) (for Bootz Industries Aloha 5 ft. Left Hand Drain Soaking Tub)
The capacity of a typical bathtub is 4.50 bushels. Historically, bathtubs have been made of various materials including marble, terracotta, silver, gold, and iron but the size and shape of the tubs has changed little in their 7,000 year history.