How big is 840 acres?
It's about 80 times as big as The Principality Stadium
The size of The Principality Stadium is about 10 acres.
(a.k.a. Stadiwm Principality, f.k.a. Millennium Stadium, f.k.a. Stadiwm y Mileniwm) (Cardiff, Wales, United Kingdom) (total footprint)
The 70,000-person-plus capacity stadium of Cardiff, Principality Stadium has a total footprint of 10 acres. Over 40,000 tonnes of concrete and steel during the construction of the stadium.
It's about 85 times as big as The Philippine Arena
The size of The Philippine Arena is about 9.90 acres.
(Ciudad De Victoria, Bocaue - Bulacan, Philippines) (total footprint)
The largest indoor arena in the world, the multi-use Philippine Area has a total footprint of 9.90 acres, with the dome itself occupying 8.90 acres. The floor the arena contains over 9,000 tons of steel.
It's about 90 times as big as Federation Square
The size of Federation Square is about 9.40 acres.
(Melbourne, Victoria, Australia)
Federation Square, the large public square in the city center of Melbourne, measures 9.40 acres. The main portion of the square is floored with sandstone blocks from Western Australia.
It's about one-ninety-fifth as big as Dublin
The size of Dublin is about 78,460 acres.
(a.k.a. Baile Átha Cliath) (Leinster, Ireland) (for metro Dublin City)
The city of Dublin and its surrounding metro areas measure 78,460 acres. Dublin is home to the Spire of Dublin, a stainless steel monument built in 2003 that rises to 121.2 m in height.
It's about one-one-hundredth as big as Philadelphia
The size of Philadelphia is about 86,460 acres.
(a.k.a. Philly, a.k.a. The City of Brotherly Love) (Pennsylvania)
The largest city in Pennsylvania as of 2009 and at one time the second-largest city in the British Empire, Philadelphia measures 86,460 acres in total area. The city is known as a center of great historical importance and as the one-time capital of the United States.
It's about one-one-hundredth as big as Detroit
The size of Detroit is about 88,830 acres.
(Michigan)
The largest city in Michigan as of 2009, Detroit measures 88,830 acres in total area. The city is known for its automotive industry and its popular music legacies in the soul, hip hop, pop, and rhythm & blues genres
It's about 100 times as big as The Lincoln Memorial Reflecting Pool
The size of The Lincoln Memorial Reflecting Pool is about 7.780 acres.
(Washington, D.C.) (pool surface area)
The Lincoln Memorial Reflecting Pool has a water surface area of 7.780 acres. The Pool has a sloping bottom and extends to 80 cm (30 in) in depth at its center.
It's about one-one-hundredth as big as The Isle of Wight
The size of The Isle of Wight is about 95,900 acres.
(England, United Kingdom)
The Isle of Wight, located in the English Channel, just off the English mainland, measures 95,900 acres in total area. The Island hosts the world's largest and longest-running regular regatta — Cowes Week — which has brought over 1,000 yachts to the island each August since 1812.
It's about one-one-hundred-fiftieth as big as San Jose
The size of San Jose is about 112,000 acres.
(a.k.a. Capital of Silicon Valley) (California)
The third-largest city in California as of 2009, San Jose measures 112,000 acres in total area. The city is known for its large technology industry.
It's about one-one-hundred-fiftieth as big as The Isle of Man
The size of The Isle of Man is about 141,000 acres.
(a.k.a. Mannin, a.k.a. Ellan Vannin, a.k.a. Mann)
The Isle of Man, a self-governing territory of England, measures 141,000 acres in total area. The territory of the Isle of Man also includes the small island of Chicken Rock, which adds an additional 0.2470 acres.
It's about one-one-hundred-fiftieth as big as Chicago
The size of Chicago is about 145,300 acres.
(a.k.a. The Windy City, a.k.a. Chi-town, a.k.a. Second City, a.k.a. Chicagoland) (Illinois)
The largest city in Illinois and the twenty-third-largest city in the United States as of 2009, Chicago measures 145,300 acres in total area. The city is known as a major Global Financial Center and as host to O'Hare International, the second busiest airport in the world.
It's about one-two-hundredth as big as Christchurch
The size of Christchurch is about 150,000 acres.
(a.k.a Ōtautahi) (urban area) (New Zealand)
Ōtautahi Christchurch, New Zealand's gateway to Antarctica, measures 150,000 acres in total area.
It's about one-two-hundredth as big as Manila
The size of Manila is about 153,100 acres.
(a.k.a. Kalakhang Maynila) (officially the "National Capital Region (NCR)") (for Metro Manila) (Philippines)
The governmental seat of the Philippines and the one of the world's most densely-populated regions, the Manila metro area measures 153,100 acres. The area is host to a population of 12,877,253 people (as of 2015).
It's about 200 times as big as The Biltmore Estate
The size of The Biltmore Estate is about 4.03 acres.
(Asheville, North Carolina) (house only)
The main house of Biltmore Estate covers 4.03 acres and contains 250 rooms. The fifty-six auxiliary buildings of the estate are interconnected through the nearly 71 km of roads on the Biltmore grounds.
It's about one-two-hundredth as big as Bangalore
The size of Bangalore is about 183,000 acres.
(officially Bangaluru) (Karnataka, India) (for Greater Bangalore)
Greater Bangalore, the metro area surrounding the city of Bangalore, and including hundreds of wards and villages and eleven municipal areas, measures 183,000 acres in total area. Greater Bangalore is home to Electronic City, one of the largest IT parks in the country, covering over 791 acres.