It's about 150,000 times as big as a Hockey rink.
In other words, 20,800 hectares is 137,128.2030 times the size of a Hockey rink, and the size of a Hockey rink is 0.000007292445890 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 0.1516828740 hectares. 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 200,000 times as big as Fort Knox.
In other words, 20,800 hectares is 176,000 times the size of Fort Knox, and the size of Fort Knox is 0.000005680 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 0.1180 hectares. 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 400,000 times as big as a Basketball court.
In other words, 20,800 hectares is 419,661.36210 times the size of a Basketball court, and the size of a Basketball court is 0.0000023828736460 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 0.04956377184 hectares. 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 600,000 times as big as an IMAX screen.
In other words, 20,800 hectares is 587,200 times the size of an IMAX screen, and the size of an IMAX screen is 0.0000017030 times that amount.(standard)
An IMAX movie theater screen measures 22 m (72 ft) by 16 m (52 ft) for a total area of 0.03542 hectares. 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 one-seven-hundred-thousandth as big as The Land area of Earth.
In other words, 20,800 hectares is 0.00000139650 times the size of The Land area of Earth, and the size of The Land area of Earth is 716,080 times that amount.The Earth has a land area of 14,894,000,000 hectares. Only an estimated one-eighth of this area — or 1,861,800,000 hectares — is inhabitable by humans, with uninhabitable terrain such as deserts and high mountains covering the rest.
It's about 800,000 times as big as a Tennis court.
In other words, 20,800 hectares is 797,326.690 times the size of a Tennis court, and the size of a Tennis court is 0.00000125419110 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 0.026076 hectares. Courts may be surfaced with crushed red stone, shale, brick, hard-soil grass, or asphalt.
It's about 15,000,000 times as big as a Parking Space.
In other words, 20,800 hectares is 13,900,000 times the size of a Parking Space, and the size of a Parking Space is 0.00000007190 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 0.0015 hectares. 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.