It's about one-fourth as big as a Tennis court.
In other words, 0.07 dunams is 0.2683311 times the size of a Tennis court, and the size of a Tennis court is 3.7267391 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 0.26076 dunams. Courts may be surfaced with crushed red stone, shale, brick, hard-soil grass, or asphalt.
It's about four-and-a-half times as big as a Parking Space.
In other words, 0.07 dunams is 4.67 times the size of a Parking Space, and the size of a Parking Space is 0.214 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.
It's about one-fifth as big as an IMAX screen.
In other words, 0.07 dunams is 0.1976 times the size of an IMAX screen, and the size of an IMAX screen is 5.061 times that amount.(standard)
It's about one-tenth as big as a Basketball court.
In other words, 0.07 dunams is 0.1412321892 times the size of a Basketball court, and the size of a Basketball court is 7.080538832 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 0.4956377184 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 one-fifteenth as big as Fort Knox.
In other words, the size of Fort Knox is 16.9 times 0.07 dunams.(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 1.18 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 seventeen-and-a-half times as big as a King Size Bed.
In other words, the size of a King Size Bed is 0.0575 times 0.07 dunams.(North American/Australian standard; length; mattress only)
It's about one-twentieth as big as a Hockey rink.
In other words, 0.07 dunams is 0.0461489146 times the size of a Hockey rink, and the size of a Hockey rink is 21.668982 times that amount.(per NHL specification)