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Video Bitrate Calculator — Target File Size, Duration & Audio

Editable live calculator

Change any input — the result updates immediately

No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

Target file size Size unit Duration minutes Extra seconds Audio bitrate (kbps) Overhead / safety margin (%)

Check the inputs

The current values do not form a valid calculation. Check the dataset, required values, percentages or zero denominators.