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Calcimator

Harmonic Analysis Calculator

Analyze a chord progression by determining scale degrees and identifying common patterns.

Inputs

Results

Chord 1 Degree

1

Chord 2 Degree4
Chord 3 Degree5
Chord 4 Degree1
Progression Type (0=other)1
Common Usage Score (1-10)9
How to Use This Calculator
  1. Enter Key Root Note (0=C ... 11=B), Chord 1 Root (0-11), and Chord 2 Root (0-11).
  2. Set Chord 3 Root (0-11) and Chord 4 Root (0-11).
  3. Review the Chord 1 Degree result.
  4. Use Chord 2 Degree and Chord 3 Degree to inform your decision.
  5. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

What each input means

Key Root Note (0=C ... 11=B)
The tonic note of the key you are analyzing in.
Chord 1 Root (0-11)
Root note of the first chord in the progression.
Chord 2 Root (0-11)
Root note of the second chord.
Chord 3 Root (0-11)
Root note of the third chord.
Chord 4 Root (0-11)
Root note of the fourth chord.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Key Root Note (0=C ... 11=B) = 0, Chord 1 Root (0-11) = 0, Chord 2 Root (0-11) = 5, Chord 3 Root (0-11) = 7 = 5 input(s) provided
  2. Calculate Chord 1 Degree
    Chord 1 Degree
    1 = 1
  3. Calculate Chord 2 Degree
    Chord 2 Degree
    4 = 4
  4. Calculate Chord 3 Degree
    Chord 3 Degree
    5 = 5

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