A:
It depends on 1. compression format used by the recording device (e.g. camcorder) and 2. quality setting at which the video is recorded. These two determine how much of disk space every second of the recording takes up. Manuals for recording devices usually have that information. An example would be: If you are recording at 9 Mbps (megabits per second) this compact flash card will hold 107 minutes of recording time.
Answered on 10/30/2012 by Cindy from Staples