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I'm shooting 3-perf 35mm @ 24 fps. How many feet of film do I need if I'm shooting one hour?

Is there a good site/app for calculating this?

Note: This is a repost of an off-topic/closed question I asked on Photography - Stack Exchange.

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1 Answer 1

up vote 6 down vote accepted

4,051 feet of film.

For reference:

  • 8mm = 80.0 frames per foot
  • Super 8 = 72.0 frames per foot
  • 16mm = 40.0 frames per foot
  • 35mm 2-perf = 32.0 frames per foot
  • 35mm 3-perf = 21.3 frames per foot
  • 35mm = 16.0 frames per foot
  • 65mm = 12.8 frames per foot

The math:

60 minutes = 3600 seconds, 3600 sec x 24 fps = 86,400 frames, 86,400/21.333 = 4,050.06328

Tools for Calculating

Kodak makes a free app for iOS called "KODAK Cinema Tools" which has a film calculator, among other features.

http://motion.kodak.com/US/en/motion/Tools/Mobile/index.htm

Panavision has a simple website with a film footage, frame and running time calculator:

http://www.panavision.co.nz/main/kbase/reference/calcfootage.asp

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+1 Great answer. (by the way, no need to put "Hope this helps" at the end of your answer) –  Friend Of George Jan 31 '12 at 21:54
    
Thank you Fried Of George, I work at a helpdesk for a living, and 'hope this helps' is a habit that I will have to learn to break. :> –  filzilla Jan 31 '12 at 23:35
1  
Thanks. We're just glad to have you here. –  Friend Of George Feb 1 '12 at 13:22

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