Question: 1 minute of video is how many mb?
Answer: The same 1 minute video at ProRes 444 will run 2.79GB. In AVCHD or MP4 at 25Mbps (megabits per second), the file will be about 186 MB. A megabit is 1/8 of a megabyte. The higher the bitrate, theoretically the higher the quality of the video.