Uncompressed Audio File Size Calculator
Fill in the values and the answer updates as you type.
How the Uncompressed Audio File Size Calculator works
Data rate = sample rate × bit depth × channels. File size = data rate × seconds ÷ 8, using 1 MB = 1,000,000 bytes. A WAV header adds only a few bytes. CD quality is 44.1 kHz, 16-bit, stereo, which is 1,411 kbps. Multitrack sessions multiply this by the number of recorded tracks. Example: with Duration 4 min, Sample rate 44.1 kHz, and Bit depth 24-bit, the result is File size (MB) = 63.5; Data rate (kbps) = 2,117; Size per minute (MB) = 15.9.
Inputs and results
The Uncompressed Audio File Size Calculator takes 4 inputs and gives 4 results.
What you enter
- Duration (min) — starts at 4.
- Sample rate — starts at 44.1 kHz. Choose from: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz and 192 kHz.
- Bit depth — starts at 24-bit. Choose from: 16-bit, 24-bit and 32-bit float.
- Channels — starts at Stereo (2). Choose from: Mono (1), Stereo (2) and 5.1 surround (6).
What you get
- File size (MB)
- Data rate (kbps)
- Size per minute (MB)
- Hours of audio per 100 GB
Example: Uncompressed Audio File Size Calculator with the starting values
With duration 4 min, sample rate 44.1 kHz, bit depth 24-bit and channels Stereo (2), the calculator returns:
| File size (MB) | 63.5 |
|---|---|
| Data rate (kbps) | 2,117 |
| Size per minute (MB) | 15.9 |
| Hours of audio per 100 GB | 105 |
Change any value above and the results update straight away.
Uncompressed Audio File Size Calculator FAQ
How do I use the Uncompressed Audio File Size Calculator?
Enter duration, sample rate, bit depth and channels in the fields, then read file size (mb), data rate (kbps), size per minute (mb) and hours of audio per 100 gb in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Uncompressed Audio File Size Calculator calculate?
WAV and AIFF size from sample rate, bit depth, channels, and length. It returns file size (mb), data rate (kbps), size per minute (mb) and hours of audio per 100 gb from the 4 values you provide.
What values does the Uncompressed Audio File Size Calculator start with?
It opens with duration 4 min, sample rate 44.1 kHz, bit depth 24-bit and channels Stereo (2) so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Uncompressed Audio File Size Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Uncompressed Audio File Size Calculator for important decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.