Levels / Free browser tool

Sine Peak and RMS

Convert peak amplitude of an ideal sine wave to RMS.

Your result
RMS amplitude
0.7071068
Peak-to-peak amplitude
2

How this works

RMS = peak/√2; peak-to-peak = 2 × peak

Use the result carefully

The √2 relationship is specific to a sine, not arbitrary music.

Calculations run on your device. No audio uploads, account, or email required. Numerical outputs are rounded for display; these tools do not analyze a recording unless explicitly stated.

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