Audio File Size Calculator
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Uncompressed PCM/WAV file size from sample rate, bit depth, channels, and duration.
Audio specs
File size
51.84 MB
48000 Hz · 24-bit · stereo
- Bytes
- 51,840,000
- Per minute
- 17.28 MB
Related calculators
Uncompressed audio size
Uncompressed PCM audio size equals sample rate × bit depth/8 × channels × duration in seconds. CD quality is 44.1 kHz, 16-bit, stereo — about 10.1 MB per minute.
Compressed formats (MP3, AAC, FLAC) use much less space — this calculator is for raw WAV/AIFF budgeting in recording and post-production.
Example: 48 kHz, 24-bit, stereo, 3 minutes → 48,000 × 3 × 2 × 2 channels × 180 sec ≈ 51.8 MB.
Common questions
Does this include MP3 compression?
No. MP3 and AAC sizes depend on bitrate — use your encoder's bitrate × duration for compressed estimates.
What bit depth should I use?
16-bit for CD delivery, 24-bit for recording and mastering headroom. 32-bit float is common in DAW sessions.