Video bitrate and filesize calculator

Plan an average video bitrate from a size limit, or estimate size from bitrate. MB and GB are decimal; MiB and GiB are binary.

Calculate video bitrate and target filesize

Enter duration, target size and audio bitrate to calculate the video bitrate needed for export.

The calculator helps fit video under platform, messenger or storage size limits.

Quick start

Find video bitrate or file size with explicit units.

Choose bitrate or size calculation
Enter duration, audio tracks and overhead
Calculate and export the budget

✓ Browser-side media tools are useful for quick analysis, previews and lightweight exports.

✓ Large video and audio files may need time to decode; smaller samples work faster in the browser.

✓ When the result is a command, run it on a machine with the required media tools or model installed.

✓ Review generated WAV, PNG, CSV and command outputs before using them in production workflows.

✓ Fullscreen mode on tablets and desktops gives more room for waveforms, tables and video previews.

✓ For final broadcast, podcast or advertising delivery, verify results with professional media tools too.

Other Tools

Download video

Trim video online

Create video

Lorem Ipsum generator

Integer base converter

Temperature converter

User reviews

Reviews are checked before publication. We publish genuine positive feedback and specific criticism. Spam and insults without useful detail are not published; profanity and personal details are masked. Positive votes are counted immediately; negative votes are counted after review.

Reviews reflect users’ experiences, not a guarantee of results or a description of the service limits. Use the rating buttons above to leave a review.

No published reviews in this language yet.

Video bitrate and filesize calculator