Video File Size Calculator

Last updated: 2026-08-24

Video File Size Calculator — Free online video file size calculator. Enter duration and bitrate to get instant results.
Inputs
Result
Enter values and press Calculate

How to use it

  1. Multiply duración per bitrate
  2. Divide per 8 to Convert bits a bytes
  3. Divide per 1024 to MB

Common mistakes

  • ⚠️ Not considering audio separado
  • ⚠️ Confusing kbps with KB/s

Worked example

Video 60s a 5000 kbps

Tamaño estimated of the archivo of video

Input guide

FieldTypical range
duration1 second - 10 hours
bitrate500 kbps (drops) - 50 Mbps (alta)