Musical Interval Calculator

Calculate the musical interval between two notes including semitones, interval name, and quality.

First Note (0=C, 1=C#, ... 11=B)

First Note Octave

Second Note (0=C, 1=C#, ... 11=B)

Second Note Octave

Tab to move between fields

Semitones Apart

Interval Number5

Quality (1=min,2=maj,3=perf,4=aug,5=dim)3

Direction (1=up, -1=down)1

How to Use This Calculator

Enter First Note (0=C, 1=C#, ... 11=B), First Note Octave, and Second Note (0=C, 1=C#, ... 11=B).
Set Second Note Octave.
Review the Semitones Apart result.
Use Interval Number and Quality (1=min,2=maj,3=perf,4=aug,5=dim) to inform your decision.
Use the chart to visualize the results and explore different scenarios by adjusting inputs.

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