Final Cut Pro Tip #011 – Use AJA’s Data Rate Calculator
My favorite tool for calculating the size of video is to use AJA’s data rate calculator. It is a quick an efficient way to figure out how much size any particular length, of almost any format video, will take occupy on your drives. It will also give you the data rate is which is also very helpful.
Oh, ad a free plug for AJA. IMHO, they make the best video cards out there for FCP. I have used them exclusively for as long as I have been working with FCP. If you are looking for a video card get a Kona!