Video Compression Calculator
Calculate compression ratios and estimate file size reductions.
Calculate by Bitrate
Calculate by Target Size
Compression Tips
- H.265/HEVC: Can achieve 50% compression over H.264 with similar quality
- Two-pass encoding: Better quality at lower bitrates
- Variable bitrate (VBR): More efficient than constant bitrate (CBR)
- Audio compression: Use AAC at 128-192 kbps for good quality
Common Compression Ratios
Light compression: 1.5:1 to 2:1 (minimal quality loss)
Medium compression: 2:1 to 4:1 (good balance)
Heavy compression: 4:1 to 10:1 (significant quality loss)
Extreme compression: 10:1+ (visible artifacts)