▣DIGITAL & TECH
Video File Size Calculator
Estimate video file size from bitrate and duration before exporting or uploading.
Enter your values
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Privacy-friendly: your inputs are processed locally in your browser.
Formula
File size ≈ (video bitrate + audio bitrate) × duration ÷ 8
File size ≈ (video bitrate + audio bitrate) × duration ÷ 8
How it works
1
Enter the values requested.
2
Press Calculate to perform the arithmetic.
3
Review the result and supporting values.
Important notes
This tool is a focused calculation aid. Use the result as an estimate where real-world conditions can affect the final answer.