Intervals

Diminished Second (d2) Perfect Unison (P1) Unison (P1) Minor Second (m2) Augmented Unison Interval (A1) Major Second (M2) Minor Third Intervals (m3) Augmented Second (A2) Minor Third (m3) Major Third (M3) Diminished Fourth (d4) Perfect Fourth (P4) Augmented Third (A3) Tritone Augmented Fourth (A4) Diminished Fifth (d5) Tritone (A4) Diminished Sixth Interval (d6) Perfect Fifth (P5) Minor Sixth (m6) Augmented Fifth (A5) Diminished Seventh (d7) Major Sixth (M6) Augmented Sixth (A6) Minor Seventh (m7) Major Seventh (M7) Diminished Octave (d8) Augmented Seventh (A7) Octave (P8) Perfect Octave (P8) Perfect Octave Fundamental (P8) Minor Ninth (m9) Major Ninth (M9) Augmented Ninth (A9) Perfect Eleventh (P11) Augmented Eleventh (A11) Perfect Twelfth (P12) Diminished Thirteenth (d13) Augmented Twelfth (A12) Minor 13th Interval Extended (m13) Minor Thirteenth (m13) Major Thirteenth (M13) Augmented Thirteenth (A13)