How much video can I take on a single card?
1080p/30fps video and 720p/60fps use about 1 GB of space in 8 minutes.
720p/30fps uses about 1GB of space in 15 min.
960p/30fps uses about 1GB in 13 min.
A 16GB card will hold about 2 to 2.5 hrs. hrs of 1080p/30fps video.