Discussion:How many size categories bigger is a human to a cell?
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 How many size categories bigger is a human to a cell?
 Summerscythe 12:19, 24 March 2009 (MDT)
Im DMing a campaign that takes place inside a human body, sort of like the fantastic voyage meets osmosis jones. how many size categories bigger do you think a human woul be to lets say, a blood cell?
I make it about 19. A red blood cell is 6-8 micrometres long (0.000026248 feet). Double that repeatedly (18 times) and it reaches 5 feet (small size square length). Add 1 for medium (same size square). It might be different for 4th ed.
I wouldn't even bother with it. Make everything relative. Since the size of the regular dudes in your game is the size of a cell, make that size medium. That would make anything outside of the micro scale Colossal+ sized. Done.