Audio Bitrate Converter: Full Guide (2025)
Use our audio bitrate converter to calculate file size, duration, and quality for MP3, AAC, WAV, FLAC.
Bitrate vs Quality
| Bitrate (kbps) | Quality | Use Case |
|---|---|---|
| 64–96 | Low (AM radio) | Voice, podcasts |
| 128 | Medium (FM radio) | Streaming, MP3 |
| 192 | High | Good music |
| 320 | CD Quality | Lossy max |
| 1411 (WAV) | Lossless | Studio |
File Size Formula
Size (MB) = (Bitrate × Duration × Channels) / 8 / 1024
Example
- 128 kbps, 3:30 min, stereo
- Size = (128 × 210 × 2) / 8 / 1024 = ~3.2 MB
Step-by-Step
- Enter bitrate (kbps)
- Set duration (min/sec)
- Choose channels and format
- Get file size, quality rating
FAQ
Is 320 kbps CD quality?
Yes for MP3. WAV is 1411 kbps (lossless).
< 128–192 kbps (balance size/quality).
FLAC vs MP3?
FLAC: lossless, larger. MP3: lossy, smaller.
Pro Tips
- Use 192 kbps for music
- 64 kbps for speech
- Lossless for archiving
Conclusion
Optimize audio files with our bitrate calculator. Perfect for podcasters, musicians, and streamers!