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How big is 0.16 square kilometers?

It's about 650,000,000 times as big as a US Dime
Flag of The US
The size of a US Dime is about 0.00000000025190 square kilometers.
(United States ten-cent coin) (a.k.a. Roosevelt dime)
The dime, in its current design since 1946, has a diameter of 17.91 mm (0.705 in) and an area of 0.00000000025190 square kilometers.
It's about 0.000000001 times as big as The Land area of Earth
The size of The Land area of Earth is about 148,940,000 square kilometers.
The Earth has a land area of 148,940,000 sq. km. Only an estimated one-eighth of this area — or 18,618,000 sq. km — is inhabitable by humans, with uninhabitable terrain such as deserts and high mountains covering the rest.
It's about 2,000,000,000 times as big as a Nailhead
The size of a Nailhead is about 0.000000000077740 square kilometers.
(for 11-gauge wire nai)
An 11-gauge nailhead measures 0.000000000077740 square kilometers. Nails have been used since ancient times; archaeologists have discovered Ancient Egyptian nails that are over 5,000 years old.
It's about 250,000,000,000 times as big as a Ballpoint Pen Tip
The size of a Ballpoint Pen Tip is about 0.000000000000700 square kilometers.
(a.k.a. Biro, a.k.a. ball pen, a.k.a. dot pen) (for medium tip)
The most common size of ballpoint pen — a medium-tip — measures 0.000000000000700 square kilometers. A typical ballpoint pen can write more than 8,500 m (28,000 ft) before running out of ink.
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