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How big is 137 square miles?

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 It's about 4,500,000,000,000 times as big as a Nailhead In other words, 137 square miles is 4,564,000,000,000 times the size of a Nailhead, and the size of a Nailhead is 0.00000000000021910 times that amount. (for 11-gauge wire nai) An 11-gauge nailhead measures 0.000000000030020 square miles. Nails have been used since ancient times; archaeologists have discovered Ancient Egyptian nails that are over 5,000 years old. It's about 500,000,000,000,000 times as big as a Ballpoint Pen Tip In other words, the size of a Ballpoint Pen Tip is 0.00000000000000200 times 137 square miles. (a.k.a. Biro, a.k.a. ball pen, a.k.a. dot pen) (for medium tip) The most common size of ballpoint pen â€” a medium-tip â€” measures 0.000000000000270 square miles. A typical ballpoint pen can write more than 8,500 m (28,000 ft) before running out of ink.