This audio file size reference table shows the file size (uncompressed) for a range of duration values, assuming a sample rate of 44,100 Hz, a bit depth of 16 bits and a channels of 2. Every figure is computed with the same engine that powers our Audio File Size Calculator, so the numbers are exact.
| Duration | File size (uncompressed) |
|---|---|
| 15 seconds | 2.65 |
| 30 seconds | 5.29 |
| 45 seconds | 7.94 |
| 60 seconds | 10.58 |
| 90 seconds | 15.88 |
| 120 seconds | 21.17 |
| 180 seconds | 31.75 |
| 300 seconds | 52.92 |
| 420 seconds | 74.09 |
| 600 seconds | 105.84 |
How to use this table
Find the row closest to your duration and read across to the file size (uncompressed). For a value between two rows, the real figure sits between them — or enter your exact numbers in the Audio File Size Calculator for a precise answer.
Need a value that is not in the table? — the Audio File Size Calculator does it instantly, for free, with the formula and a worked example built in.
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