Calculate audio file size from bitrate and duration.
Audio file size is determined by the bitrate, duration, and format of the audio. Understanding these relationships helps with storage planning, bandwidth estimation, and choosing the right quality settings for your needs.
| Quality | Bitrate | 3 Minutes | 1 Hour |
|---|---|---|---|
| Low (Voice) | 64 kbps | 1.4 MB | 28 MB |
| Podcast Quality | 96 kbps | 2.1 MB | 42 MB |
| Standard Music | 128 kbps | 2.8 MB | 56 MB |
| High Quality | 192 kbps | 4.2 MB | 84 MB |
| Premium | 256 kbps | 5.6 MB | 112 MB |
| Studio Quality | 320 kbps | 7.0 MB | 140 MB |
MP3: Most universal format, 128-320 kbps
AAC: Better quality than MP3, 96-256 kbps
OGG: Open-source, good compression
FLAC: Free lossless, ~5-10 MB/min
ALAC: Apple lossless, similar to FLAC
WAV: Uncompressed, ~10 MB/min
File Size per Minute: