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Reference table

Audio File Size Table: File size (uncompressed) by Duration

Reference table of file size (uncompressed) for Audio File Size across a range of duration values — exact, engine-computed figures you can read off at a glance.

By Arjun Desai, B.Tech (Engineering) · Updated Jun 2026 · 1 min read

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.

DurationFile size (uncompressed)
15 seconds2.65
30 seconds5.29
45 seconds7.94
60 seconds10.58
90 seconds15.88
120 seconds21.17
180 seconds31.75
300 seconds52.92
420 seconds74.09
600 seconds105.84

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.

Continue exploring music calculators with these tools: Set List Duration Calculator, BPM Delay Calculator, Note Frequency Calculator, Decibel Distance Calculator, Beat Duration Calculator.

Calculators in this guide

Frequently asked questions

Each cell is computed with the standard formula using exact arithmetic — the same calculation behind our Audio File Size Calculator — so every figure is accurate for the stated assumptions.

Yes. The table covers common duration values; for any exact figure, enter your own numbers in the Audio File Size Calculator.

Arjun Desai · B.Tech (Engineering)

Arjun Desai is an engineer who writes about the practical physics, electronics and energy calculations behind everyday technology.