Podcast File Size Calculator
Calculate MP3/AAC file size from episode duration and bitrate.
Inputs
min
kbps
Results
File Size
42.19 MB
≈ 8 songs
File Size0.04 GB
Monthly (4 eps)0.16 GB
Download Time (3G)230.4 sec
Channels1
How to Use This Calculator
- Enter your episode duration in minutes.
- Set the audio bitrate in kbps — 64 kbps for voice-only, 128 kbps for standard quality, 192+ for music-heavy shows.
- Set Stereo to 0 for mono (recommended for talk shows) or 1 for stereo.
- Review File Size in MB and Monthly Bandwidth (4 episodes) to compare against your hosting plan limits.
- Use Download Time (3G) to understand listener experience on mobile connections.
How the result changes with Episode Duration
| Episode Duration | File Size |
|---|---|
| 49 | 45.94 MB |
| 169 | 158.44 MB |
| 312 | 292.5 MB |
| 432 | 405 MB |
What each input means
- Episode Duration
- Length of the podcast episode in minutes.
- Bitrate
- Audio bitrate (64 = voice only, 128 = standard, 192+ = music heavy).
- Stereo (0=Mono, 1=Stereo)
- 0 for mono (recommended for talk), 1 for stereo.
How this is calculated
Worked example, using the default values
- Identify Input ParametersEpisode Duration = 45, Bitrate = 128, Stereo (0=Mono, 1=Stereo) = 0 = 3 input(s) provided
- Calculate File SizeFile Size42.19 = 42.19
- Calculate File SizeFile Size0.041 = 0.041
- Calculate MonthlyMonthly0.16 = 0.16
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