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Audio File Size Calculator — result sheet
Estimate uncompressed or simply compressed audio file size from duration, sample rate, bit depth, channels, and a compression ratio.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Raw bits = duration×sample rate×bit depth×channels; estimated bytes = raw bits/8/compression ratio.
The estimate separates sampling choices from a visitor-entered compression ratio so storage assumptions remain visible.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Duration — seconds; minimum 0; maximum 1000000000
- Sample rate — samples/s; minimum 1; maximum 10000000
- Bit depth — bits/sample; minimum 1; maximum 256
- Channels — minimum 1; maximum 64
- Compression ratio — minimum 1.0E-6; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Duration | 180 |
| Sample rate | 44100 |
| Bit depth | 16 |
| Channels | 2 |
| Compression ratio | 1 |
Estimated size ≈ 31.752 MB using decimal megabytes.
Assumptions and limits
- Duration, sample rate, bit depth, and channel count are nonnegative or positive as appropriate.
- Compression ratio is raw-size divided by stored-size; a ratio of 1 means uncompressed.
- Container headers, metadata, variable bitrate behavior, codecs, and filesystem overhead are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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