It's about one-two-hundred-fifty-thousandth as big as The Land area of Earth.
In other words, 650,000 dunams is 0.00000436420 times the size of The Land area of Earth, and the size of The Land area of Earth is 229,140 times that amount.The Earth has a land area of 148,940,000,000 dunams. Only an estimated one-eighth of this area — or 18,618,000,000 dunams — is inhabitable by humans, with uninhabitable terrain such as deserts and high mountains covering the rest.
It's about 450,000 times as big as a Hockey rink.
In other words, 650,000 dunams is 428,525.6360 times the size of a Hockey rink, and the size of a Hockey rink is 0.000002333582680 times that amount.(per NHL specification)
Per National Hockey League Official Rules, a hockey rink should measure 60.96 m long by 25.908 m wide with a corner arc radius of 8.5344 m, for a total area of about 1.516828740 dunams. Ice hockey is believed to have developed from field hockey after players began holding games on ice rinks, which had been traditionally used for the sport of curling.
It's about 550,000 times as big as Fort Knox.
In other words, 650,000 dunams is 551,000 times the size of Fort Knox, and the size of Fort Knox is 0.000001810 times that amount.(a.k.a. the United States Bullion Depository, a.k.a. "Gold Vault") (Kentucky)
The United States Bullion Depository, commonly referred to by the metonym "Fort Knox" (in spite of the fact that the Depository is not located on the Fort proper), measures 32.0 m (105 ft) by 36.9 m (121 ft), for a total area of about 1.180 dunams. The Depository is most famous for housing the largest portion of the national gold reserve, but has also temporarily housed the original US Declaration of Independence, an original copy of the US Constitution, and other important documents, kept there for safe keeping during World War II.
It's about 1,500,000 times as big as a Basketball court.
In other words, 650,000 dunams is 1,311,441.7560 times the size of a Basketball court, and the size of a Basketball court is 0.00000076251956710 times that amount.(per NBA regulation)
Per NBA rules , a basketball court should measure 29.5656 m long by 16.764 m wide, for a total area of 0.49563771840 dunams. The first basketball game, held in a Springfield Massachusetts YMCA, was played on a court half the size of today's NBA standard and ended with a score of 1-0.
It's about 2,000,000 times as big as an IMAX screen.
In other words, 650,000 dunams is 1,835,000 times the size of an IMAX screen, and the size of an IMAX screen is 0.0000005450 times that amount.(standard)
An IMAX movie theater screen measures 22 m (72 ft) by 16 m (52 ft) for a total area of 0.35420 dunams. Because the film used in an IMAX movie is more than eight times larger than regular film, the platters of a two-and-a-half hour feature film can weigh up to 250 kg (550 lbs).
It's about 2,500,000 times as big as a Tennis court.
In other words, 650,000 dunams is 2,491,645.90 times the size of a Tennis court, and the size of a Tennis court is 0.000000401341140 times that amount.(per ITF specification; for doubles)
Per International Tennis Federation Rules of Tennis 2009, a doubles tennis court should measure 23.7744 m long by 10.9728 m, for a total area of about 0.260760 dunams. Courts may be surfaced with crushed red stone, shale, brick, hard-soil grass, or asphalt.
It's about 45,000,000 times as big as a Parking Space.
In other words, 650,000 dunams is 43,300,000 times the size of a Parking Space, and the size of a Parking Space is 0.00000002310 times that amount.(a.k.a Parking Stall) (average; surface lot; North America)
An average-size parking space in a North American surface lot measures 0.015 dunams. Due to the high real estate prices at the time, parking spaces in a densely-populated part of Manhattan would sell for an average of $165,000 in 2007, with some spaces fetching up to $225,000.