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Video size and bitrate calculator

Estimate the bitrate needed to fit a recording into a file-size limit, or calculate the size from its duration and bitrate.

Total bitrate (kbps)3,333

Includes picture and sound. Allow room for container overhead.

Video Compressor

How duration affects file size

At a total bitrate of 2,000 kbps, one minute of video and audio uses about 15 MB before container overhead. At the same bitrate, two minutes uses about 30 MB. For a strict upload limit, leave some space below the maximum and check the exported file.