Technical Note on Compressing Files for a Target Size

This is just a technical note for later so that I don’t get confused about the math the next time I need to compress a video file for a specific target size.

1MB = 8192Kbits

Use this conversion to determine the bitrate of a file. For instance, if your max file size is 500MB and you want to upload a video that’s 4:24 then do the following.

500MB = 4096000Kbits


15515.15-192 (for audio) = 15323.15Kbits/sec

The highest bitrate allowed for video in this case for your limited file size would be about 15300Kbits/sec.

Okay, I’m pretty sure this is accurate.


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