Audio ToolsPrivate by design
Audio Pitch Shift Calculator
Enter a number of semitones and a base frequency to calculate the playback rate ratio and resulting shifted frequency.
How to use this tool
- 1Enter the pitch shift in semitones (positive for up, negative for down).
- 2Enter a base frequency if you want to see a specific shifted note.
- 3See the playback rate ratio and shifted frequency.
Frequently asked questions
Why 12 semitones per octave?+
Standard equal-temperament tuning divides each octave into 12 equal semitone steps, so shifting by 12 semitones exactly doubles (or halves) the frequency.
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