It's about 0.00000003 times as big as Brazil.
In other words, 200 dunams is 0.00000002348830 times the size of Brazil, and the size of Brazil is 42,574,390 times that amount.(a.k.a. Brasil, formally the Federative Republic of Brazil, a.k.a. Rep&blica Federativa do Brasil)
Brazil measures 8,514,877,000 dunams in total area. Brazil is the world's fifth-largest country by area and eighth-largest economy (by GDP).
It's about 0.00000002 times as big as China.
In other words, 200 dunams is 0.000000020839930 times the size of China, and the size of China is 47,984,810 times that amount.(a.k.a. People's Republic of China, a.k.a. 中华人民共和国, a.k.a.中華人民共和國 , a.k.a. Zhōnghuá Rénmín Gònghég) (UN mainland area figure)
Mainland China, as measured by the United Nations (excluding China's Special Administrative Regions — Hong Kong and Macau — and disputed territories such as Taiwan, Askai Chin, and the Trans-Karakoram Tract), occupies 9,596,961,000 dunams in total area . China is the the most populous country in the world and the third or fourth largest (depending on areas included in the measurement) in total area.
It's about 0.00000002 times as big as United States.
In other words, 200 dunams is 0.000000020352760 times the size of United States, and the size of United States is 49,133,390 times that amount.(a.k.a. United States of America, a.k.a. America, a.k.a. USA, a.k.a. US)
The third or fourth largest country in the world (there is some dispute in how China's total area is measured), the United States measures 9,826,675,000 dunams in total area. The United States' economy is the fifth-largest in the world, comprising a quarter of nominal global GDP.
It's about 0.00000002 times as big as Canada.
In other words, 200 dunams is 0.00000002003070 times the size of Canada, and the size of Canada is 49,923,400 times that amount.Canada measures 9,984,670,000 dunams in total area. It is both the second-largest country in the world and one of the most-sparsely populated, in addition to having the longest coastline of any country in the world — 243,000 km (151,000 mi).
It's about 0.00000001 times as big as Russia.
In other words, 200 dunams is 0.0000000116971090 times the size of Russia, and the size of Russia is 85,491,210 times that amount.(a.k.a Российская Федерация, formally the Russian Federation, a.k.a. Россия)
The largest country in the world, Russia measures 17,098,242,000 dunams. Russia spans eleven time zones and holds more forest than any other country in the world, as well as lakes and rivers containing totaling 25% of the world's fresh water supply.
It's about 250,000,000 times as big as a Secure Digital (SD) card.
It's about 450,000,000 times as big as a Quarter.
In other words, 200 dunams is 432,700,000 times the size of a Quarter, and the size of a Quarter is 0.0000000023110 times that amount.(United States quarter-dollar coin) (a.k.a. Quarter dollar, a.k.a. Washington quarter, a.k.a. two bits)
The George Washington quarter, in circulation in various forms since 1932, has a diameter of 24.26 mm (0.955 in) and an area of 0.00000046220 dunams.