Intervals with a difference of 0-11 half steps between notes

Intervals · 0-11 half steps

HS = half steps

O HS

perfect unison (1)

1 HS

minor second (b2)

augmented unison (#1)

2 HS

major second (2)

3 HS

minor third (m3, b3)

augmented second (#2)

4 HS

major third (3)

diminished fourth (b4)

5 HS

perfect fourth (4)

6 HS

diminished fifth (b5)

augmented fourth (#4)

7 HS

perfect fifth (5)

8 HS

minor sixth (m6, b6)

augmented fifth (#5)

9 HS

major sixth (6)

10 HS

minor seventh (b7)

augmented sixth (#6)

11 HS

major seventh (j7)

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intervals 12-23 half steps

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Interval qualities

There are five different interval qualities, which are not applicable to all intervals:

pure only applies to simple intervals of fourths, fifths or octaves and their octave doublings (e.g. compound intervals like tenths or twelfths),

major or minor applies to seconds, thirds, sixths or sevenths and their octave doublings,

diminished or augmented is theoretically applicable to all intervals, but practically these qualities are rare for thirds, sixths and octaves.

Guitar Encyclopaedia Music Theory

Intervals · 0-11 half steps

Interval qualities