calculating the square 'footage' of the room [=calculating the size of the room in square feet]
Some disturbing 'footage' of the war was shown on the evening news.
(..) , the sign of the beast. What's up with that? Travis will know. - What do we know? - Street cleaner called it in. I checked security footage. If Travis and Gellar did this, they were out of view. Well, Travis worked in the museum, so he would know every inch of the square. (..)2011 TvShow: Dexter Title: Talk to the Hand Season: 6 Episode 11