It's about 0.0000000003 times as big as Alaska.
In other words, 51 squares is 0.000000000275812390 times the size of Alaska, and the size of Alaska is 3,625,652,900 times that amount.(United States)
The "Last Frontier," Alaska measures 184,908,300,000 squares in total area. Alaska is home to over 100,000 glaciers — half of the world's total — including the Bering Glacier complex near the southeastern border of Alaska, which covers 627,535,980 squares.
It's about 0.00000000006 times as big as Brazil.
In other words, 51 squares is 0.000000000055644430 times the size of Brazil, and the size of Brazil is 17,971,250,000 times that amount.(a.k.a. Brasil, formally the Federative Republic of Brazil, a.k.a. Rep&blica Federativa do Brasil)
Brazil measures 916,533,700,000 squares in total area. Brazil is the world's fifth-largest country by area and eighth-largest economy (by GDP).
It's about 0.00000000005 times as big as China.
In other words, 51 squares is 0.000000000049370370 times the size of China, and the size of China is 20,255,060,000 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 1,033,008,000,000 squares 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 0.00000000005 times as big as United States.
In other words, 51 squares is 0.000000000048216260 times the size of United States, and the size of United States is 20,739,890,000 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 1,057,734,000,000 squares in total area. The United States' economy is the fifth-largest in the world, comprising a quarter of nominal global GDP.
It's about 0.00000000005 times as big as Canada.
In other words, 51 squares is 0.00000000004745330 times the size of Canada, and the size of Canada is 21,073,400,000 times that amount.Canada measures 1,074,740,000,000 squares 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 0.00000000003 times as big as Russia.
In other words, 51 squares is 0.0000000000277107730 times the size of Russia, and the size of Russia is 36,087,048,000 times that amount.(a.k.a Российская Федерация, formally the Russian Federation, a.k.a. Россия)
The largest country in the world, Russia measures 1,840,439,500,000 squares. 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 0.000000000003 times as big as The Land area of Earth.
In other words, 51 squares is 0.00000000000318120 times the size of The Land area of Earth, and the size of The Land area of Earth is 314,350,000,000 times that amount.The Earth has a land area of 16,032,000,000,000 squares. Only an estimated one-eighth of this area — or 2,004,000,000,000 squares — is inhabitable by humans, with uninhabitable terrain such as deserts and high mountains covering the rest.