Podcast Audio File Size: 30-Minute Mono Recording
A 30-minute mono WAV at 44100 Hz / 16-bit is approximately 150 MB before compression.
How to use this tool
- Enter sample rate, bit depth, channels and duration in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your file size and the full breakdown beneath it.
A 30-minute mono podcast session at standard quality creates roughly 150 MB of uncompressed WAV before any MP3 encoding.
Frequently asked questions
- How large is 1 minute of CD-quality audio?
- 1 minute of 44.1 kHz, 16-bit stereo PCM is approximately 10.09 MB uncompressed.
- Does this include MP3 compression?
- No — this calculator is for uncompressed PCM (WAV/AIFF). Use the Bitrate File Size calculator for compressed formats.