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Is 325 square feet as big as a Ballpoint Pen Tip?

It's about 45,000,000 times as big as a Ballpoint Pen Tip
The size of a Ballpoint Pen Tip is about 0.00000750 square feet.
(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 0.00000750 square feet. A typical ballpoint pen can write more than 8,500 m (28,000 ft) before running out of ink.
There's more! See other comparisons to 325 square feet...