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PixelTools
Figure out what bitrate a file was encoded at, or what bitrate you need to hit a target file size.
More bits per second of video or audio generally means more detail retained, but returns diminish — beyond a certain bitrate, further increases produce file size growth with little visible or audible quality improvement.
This same formula rearranges to solve for target file size (bitrate × duration ÷ 8) — useful when you know a size constraint (like a platform's upload limit) and need to pick an encoding bitrate that fits.
Bitrate (Mbps)
13.333
Useful for figuring out what bitrate a video was encoded at, or what bitrate you'd need to hit a target file size.
What you entered
Bitrate = (file size × 8) ÷ duration
(500 MB × 8) ÷ 300 s= 13.3333 MbpsResult
Bitrate (Mbps): 13.333
A 500 MB file over 300s averages 13.333333333333334 Mbps.