total | 44.36 million mi^2 largest | 6.602 million mi^2 (Russia) smallest | 10.04 mi^2 (Tuvalu)

(total area in thousands of square miles)

1 | Russia | 6.602 million mi^2 2 | Canada | 3.855 million mi^2 3 | United States | 3.719 million mi^2 4 | China | 3.705 million mi^2 5 | Brazil | 3.288 million mi^2 ⋮ | | 124 | Saint Vincent and the Grenadines | 150.2 mi^2 125 | Grenada | 132.8 mi^2 126 | Maldives | 115.1 mi^2 127 | Marshall Islands | 69.88 mi^2 128 | Tuvalu | 10.04 mi^2

1.237×10^15 ft^2 (square feet)

1.149×10^8 km^2 (square kilometers)

1.149×10^14 m^2 (square meters)

≈ 0.34 × ocean area on the earth ( ≈ 132 million mi^2 )

≈ 0.77 × land area on the earth ( 1.4912×10^8 km^2 )

≈ 1.7 × total area of crop land on Earth (2012 estimate) ( ≈ 2.62×10^7 mi^2 )

Radius r of a circle from A = πr^2: | 3758 miles | 6048 km (kilometers)

Radius r of a sphere from A = 4πr^2: | 1879 miles | 3024 km (kilometers)

Edge length a of a square from A = a^2: | 6660 miles | 10719 km (kilometers)