Fast Utility Calculators

File size calculator for audio

Estimate uncompressed PCM size or compressed export size before you export, upload, or hand files off.

Tool

Run the tool

Add your inputs below and Ubetoo will return the result, output, or generated file in the result panel.

3-minute WAV 10-minute stereo master Podcast MP3 estimate

Uncompressed PCM Compressed file estimate

Duration seconds

Length of the audio file in seconds.

Sample rate

Bit depth

Channels

Target bitrate

Used only for compressed estimates like MP3, AAC, or Opus.

Container overhead percent

Adds a small allowance for file/container overhead on compressed exports.

Reset

What you can do here

Common ways this tool gets used

3 minutes, 44.1 kHz, 16-bit stereo -> about 31.75 MB
10 minutes at 192 kbps -> compressed estimate

How to use this tool well

PCM mode is for WAV, AIFF, and other raw-audio planning.
Compressed mode is useful when you only know duration and target bitrate for MP3, AAC, Opus, or similar delivery formats.

Quick examples

3 minutes, 44.1 kHz, 16-bit stereo -> about 31.75 MB
10 minutes at 192 kbps -> compressed estimate

Related tools

Report an issue

If this page gives you a broken result, confusing output, or a file-handling problem, send a report with the tool details already filled in.

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Frequently asked questions

What is the file size calculator for audio built for?

Estimate uncompressed PCM size or compressed export size before you export, upload, or hand files off.

Should I upload files or use manual entry in the file size calculator for audio?

Uncompressed PCM is best when you want to run the page with the fields already shown. Compressed file estimate is best when you want to run the page with the fields already shown.

Which inputs matter most on the file size calculator for audio page?

This page is driven mainly by uploads or imported files, so the important preparation is having the right source material ready.

What file types or import layouts does the file size calculator for audio accept?

This tool does not depend on uploads or import files. Enter the values directly in the form fields shown on the page.

What will the file size calculator for audio return after I run it?

The result panel leads with the main answer, then adds supporting metrics, notes, or formatted output blocks so you can use the result immediately. It returns the answer directly in the page, so you can adjust the inputs and rerun the tool quickly.

How do I get the best result from the file size calculator for audio?

PCM mode is for WAV, AIFF, and other raw-audio planning. Compressed mode is useful when you only know duration and target bitrate for MP3, AAC, Opus, or similar delivery formats. Typical use cases include 3 minutes, 44.1 kHz, 16-bit stereo -> about 31.75 MB; 10 minutes at 192 kbps -> compressed estimate.