📻

Bitrate Calculator

Calculate bitrate, file size, or duration — fill any two fields

🔒No files stored🛡HTTPS encrypted⚡Works in your browser🆓100% free, no signup
Quick Presets

Fill in two fields and leave the third empty, then click Calculate.

Formulas Used
File Size (MB) = bitrate(kbps) × duration(s) / 8 / 1024
Duration (s) = size(MB) × 8 × 1024 / bitrate(kbps)
Bitrate (kbps) = size(MB) × 8 × 1024 / duration(s)