Is 30 square centimeters as big as a Ballpoint Pen Tip?
It's about 4,500 times as big as a Ballpoint Pen Tip
The size of a Ballpoint Pen Tip is about 0.007 square centimeters.
(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 0.007 square centimeters. A typical ballpoint pen can write more than 8,500 m (28,000 ft) before running out of ink.
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