Song Key Finder Calculator
Determine the likely key of a song by entering the notes present in the melody or chords.
Inputs
Results
Likely Major Key (semitone)
0
How to Use This Calculator
- Enter Note 1 (0-11, -1=unused), Note 2, and Note 3.
- Set Note 4, Note 5, and Note 6.
- Adjust Note 7 as needed.
- Review the Likely Major Key (semitone) result.
- Use Likely Minor Key (semitone) and Confidence (%) to inform your decision.
What each input means
- Note 1 (0-11, -1=unused)
- Enter a note present in the song (0=C through 11=B). Set to -1 if unused.
- Note 2
- Another note present in the song.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersNote 1 (0-11, -1=unused) = 0, Note 2 = 2, Note 3 = 4, Note 4 = 5 = 7 input(s) provided
- Calculate Likely Major Key0 = 0
- Calculate Likely Minor Key9 = 9
- Calculate ConfidenceConfidence100 = 100
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