How it works
Fill in the 2 fields above and Video File Size Calculator calculates the result instantly, recalculating as you change any value. It applies the formula MB = bitrate × seconds / 8 / 1000. The math runs locally in your browser — nothing is sent to a server.
Formula
MB = bitrate × seconds / 8 / 1000Examples
- Bitrate 8000 kbps, Duration 10 min → Estimated size: 600 MB
Frequently asked questions
How do I use the Video File Size Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Video File Size Calculator use?
It uses MB = bitrate × seconds / 8 / 1000. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Video File Size Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Video File Size Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on video and the rest of the platform, you can use it as often as you like.
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