List of musical scales and modes
The following is a list of musical scales and modes. Degrees are relative to the major scale.
| Name | Image | Sound | JSID | Degrees | Intervals | Integer notation | # of pitch classes | Lower tetrachord | Upper tetrachord | Use of key signature usual or unusual |
| 15 equal temperament | — | — | — | 15 | — | — | — | |||
| 16 equal temperament | — | — | — | 16 | — | — | — | |||
| 17 equal temperament | — | — | — | 17 | — | — | — | |||
| 19 equal temperament | — | — | — | 19 | — | — | — | |||
| 21 equal temperament | — | — | — | 21 | — | — | — | |||
| Acoustic scale/ Lydian dominant scale | [Image:Lydian dominant C.png|thumb|Acoustic scale on C.] | 2742 | 1 2 3 4 5 6 7 | W-W-W-H-W-H-W | 7 | Whole tone | Minor | Usual | ||
| Aeolian mode/ natural minor scale | mode C.png|thumb|Aeolian on C.] | 2906 | 1 2 3 4 5 6 7 | W-H-W-W-H-W-W | 7 | Minor | Phrygian | Usual | ||
| Algerian scale | [Image:Algerian scale.png|thumb|Algerian scale on C.] | 2873/2880 | 1 2 3 4 5 6 7 etc. | W-H-3H-H-H-3H-H-W-H-W | Variable | — | — | — | ||
| Alpha scale | — | — | — | — | 15.39 | — | — | — | ||
| Altered scale/ Super Locrian scale | [Image:C altered scale flats.png|thumb|Altered scale on C.] | 3498 | 1 2 3 4 5 6 7 | H-W-H-W-W-W-W | 7 | Diminished | Whole tone | Unusual | ||
| Augmented scale | [Image:Augmented scale.png|thumb|Augmented scale on C.] | 2457 | 1 3 3 5 5 7 | 3H-H-3H-H-3H-H | 6 | — | Lydian | Unusual | ||
| Bebop dominant scale | [Image:Bebop dominant scale on C.png|thumb|Bebop dominant scale on C.] | 2775 | 1 2 3 4 5 6 7 7 | W-W-H-W-W-H-H-H | 8 | Major | Chromatic | Usual | ||
| Beta scale | — | — | — | — | 18.75 | — | — | — | ||
| Blues scale | [Image:Blues scale common.png|thumb|Blues scale on C.] | 2418 | 1 3 4 5 5 7 | 3H-W-H-H-3H-W | 6 | – | – | Unusual | ||
| Bohlen–Pierce scale | — | — | — | — | — | — | — | — | ||
| Chromatic scale | [Image:Chromatische toonladder.png|thumb|Chromatic scale on C.] | 4095 | 1 1 2 2 3 4 4 5 5 6 6 7 7 7 6 6 5 5 4 3 3 2 2 1 | H-H-H-H-H-H-H-H-H-H-H-H | 12 | Chromatic | Chromatic | Unusual | ||
| Delta scale | — | — | — | — | 85.7 | — | — | — | ||
| Dorian mode | [Image:Dorian mode C.png|thumb|Dorian on C.] | 2902 | 1 2 3 4 5 6 7 | W-H-W-W-W-H-W | 7 | Minor | Minor | Usual | ||
| Double harmonic scale | [Image:Double harmonic scale on C.png|thumb|Double harmonic scale on C.] | 3289 | 1 2 3 4 5 6 7 | H-3H-H-W-H-3H-H | 7 | Harmonic | Harmonic | Unusual | ||
| Enigmatic scale | [Image:Enigmatic scale on C.png|thumb|Enigmatic scale on C.] | 3243 | 1 2 3 4 5 6 7 | H-3H-W-W-W-H-H | 7 | Harmonic | – | Unusual | ||
| Euler–Fokker genus | — | — | — | 6 | — | — | — | |||
| Gamma scale | — | — | — | — | 34.29 | — | — | — | ||
| "Gypsy" scale | Image:Gypsy [Minor Scale.png|thumb|"Gypsy" scale on C.] | 2874 | 1 2 3 4 5 6 7 | W-H-3H-H-H-W-W | 7 | Gypsy | Phrygian | Unusual | ||
| Half diminished scale | Image:Half [diminished scale C.png|thumb|Half diminished scale on C.] | 2922 | 1 2 3 4 5 6 7 | W-H-W-H-W-W-W | 7 | Minor | Whole tone | Unusual | ||
| Harmonic major scale | [Image:Harmonic major scale C.png|thumb|Harmonic major scale on C.] | 2777 | 1 2 3 4 5 6 7 | W-W-H-W-H-3H-H | 7 | Major | Harmonic | Usual | ||
| Harmonic minor scale | [Image:Harmonic minor on C.png|thumb|Harmonic minor scale on C.] | 2905 | 1 2 3 4 5 6 7 | W-H-W-W-H-3H-H | 7 | Minor | Harmonic | Usual | ||
| Harmonic scale | [Image:Harmonic Scale chromatic on C.png|thumb|Harmonic scale chromatic on C.] | — | — | — | 12 | — | — | — | ||
| Hirajōshi scale | [Image:Hirajoshi scale on C Burrows.png|thumb|Hirajoshi scale on C.] | 2225 | 1 3 4 5 7 | 2W-W-H-2W-H | 5 | — | — | Unusual | ||
| Hungarian "Gypsy" scale/ Hungarian minor scale | Image:Hungarian gypsy scale C.png|thumb|Hungarian "Gypsy" scale on C. | 2873 | 1 2 3 4 5 6 7 | W-H-3H-H-H-3H-H | 7 | Gypsy | Harmonic | Unusual | ||
| Hungarian major scale | [Image:Hungarian major scale on C.png|thumb|Hungarian major scale on C.] | 2486 | 1 2 3 4 5 6 7 | 3H-H-W-H-W-H-W | 7 | — | Minor | Unusual | ||
| In scale | [Image:Miyako-bushi scale.png|thumb|Miyako-bushi scale on D, equivalent to in scale on D, with brackets on fourths.] | 3160 | 1 2 4 5 6 | H-2W-W-H-2W | 5 | — | — | Unusual | ||
| Insen scale | [Image:Insen scale on C.png|thumb|Insen scale on C.] | 3154 | 1 2 4 5 7 | H-2W-W-3H-W | 5 | — | — | Unusual | ||
| Ionian mode/ major scale | [Image:Ionian mode C.png|thumb|Ionian on C.] | 2773 | 1 2 3 4 5 6 7 | W-W-H-W-W-W-H | 7 | Major | Major | Usual | ||
| Istrian scale | [Image:Istrian mode on C.png|thumb|Istrian mode on C.] | 3504 | 1 2 3 4 5 5 | H-W-H-W-H-5H | 6 | Diminished | — | Unusual | ||
| Iwato scale | [Image:Iwato scale on C.png|thumb|Iwato scale on C.] | 3170 | 1 2 4 5 7 | H-2W-H-2W-W | 5 | — | — | Unusual | ||
| Locrian mode | [Image:Locrian mode C.png|thumb|Locrian on C.] | 3434 | 1 2 3 4 5 6 7 | H-W-W-H-W-W-W | 7 | Phrygian | Whole tone | Usual | ||
| Locrian ♮6 | — | — | 3430 | 1 2 3 4 5 6 7 | H-W-W-H-3H-H-W | 7 | Phrygian | Gypsy | Unusual | |
| Lydian augmented scale | [Image:Lydian augmented scale on C.png|thumb|Lydian augmented scale on C.] | 2733 | 1 2 3 4 5 6 7 | W-W-W-W-H-W-H | 7 | Whole tone | Diminished | Unusual | ||
| Lydian diminished scale | [Image:Lydian diminished mode C.png|thumb|Lydian diminished on C.] | — | 2869 | 1 2 3 4 5 6 7 | W-H-3H-H-W-W-H | 7 | Gypsy | Major | Unusual | |
| Lydian mode | [Image:Lydian mode C.png|thumb|Lydian on C.] | 2741 | 1 2 3 4 5 6 7 | W-W-W-H-W-W-H | 7 | Whole tone | Major | Usual | ||
| Major bebop scale | Image:Major [bebop scale on C.png|thumb|Major bebop scale on C.] | 2781 | 1 2 3 4 5 6 7 | W-W-H-W--W-H | 7 | Major | Diminished | Unusual | ||
| Major Locrian scale | [Image:Major locrian C.png|thumb|Major Locrian scale C.] | 2794 | 1 2 3 4 5 6 7 | W-W-H-H-W-W-W | 7 | Major | Whole tone | Usual | ||
| Major pentatonic scale | Image:C [major pentatonic scale.svg|thumb|Major pentatonic scale on C.] | 2708 | 1 2 3 5 6 | W-W-3H-W-3H | 5 | — | — | Usual | ||
| Melodic minor scale | 2901\2906 | 1 2 3 4 5 6 7 8 7 6 5 4 3 2 1 | W-H-W-W-W-W-H W-W-H-W-W-H-W | | 9 | Minor Major | Major Minor | Unusual Unusual | ||
| Melodic minor scale / Hawaiian scale | 2901 | 1 2 3 4 5 6 7 | W-H-W-W-W-W-H | 7 | Minor | Major | Usual | |||
| Minor pentatonic scale | Image:A [minor pentatonic scale.svg|thumb|Minor pentatonic scale on A.] | 2386 | 1 3 4 5 7 | 3H-W-W-3H-W | 5 | — | — | Usual | ||
| Mixolydian mode/ Adonai malakh mode | [Image:Mixolydian mode C.png|thumb|Mixolydian on C.] | 2774 | 1 2 3 4 5 6 7 | W-W-H-W-W-H-W | 7 | Major | Minor | Usual | ||
| Neapolitan major scale | [Image:Neapolitan major scale on C.png|thumb|Neapolitan major scale on C.] | 3413 | 1 2 3 4 5 6 7 | H-W-W-W-W-W-H | 7 | Phrygian | Major | Unusual | ||
| Neapolitan minor scale | [Image:Neapolitan minor scale on C.png|thumb|Neapolitan minor scale on C.] | 3417 | 1 2 3 4 5 6 7 | H-W-W-W-H-3H-H | 7 | Phrygian | Lydian | Unusual | ||
| Non-Pythagorean scale | — | — | — | — | — | — | — | — | ||
| Octatonic scale | [Image:Octatonic scales on C.png|thumb|Octatonic scales on C.] | 2925 3510 | 1 2 3 4 5 6 6 7 1 2 3 3 4 5 6 7 | W-H-W-H-W-H-W-H H-W-H-W-H-W-H-W | 8 | Minor Diminished | Diminished Minor | Unusual Unusual | ||
| Pelog | — | — | — | — | — | — | — | |||
| Persian scale | [Image:Persian scale on C.png|thumb|Persian scale on C.] | 3305 | 1 2 3 4 5 6 7 | H-3H-H-H-W-3H-H | 7 | Lydian | — | Unusual | ||
| Phrygian dominant scale | Image:C [Phrygian dominant scale.svg|thumb|Phrygian dominant on C.] | 3290 | 1 2 3 4 5 6 7 | H-3H-H-W-H-W-W | 7 | Lydian | Phrygian | Usual | ||
| Phrygian mode | [Image:Phrygian mode C.png|thumb|Phrygian on C.] | 3418 | 1 2 3 4 5 6 7 | H-W-W-W-H-W-W | 7 | Phrygian | Phrygian | Usual | ||
| Prometheus scale | [Image:Prometheus scale on C.png|thumb|Prometheus scale on C.] | 2726 | 1 2 3 4 6 7 | W-W-W-3H-H-W | 6 | Whole tone | — | Unusual | ||
| Quarter tone scale | Image:Quarter [tone scale on C.png|thumb|Quarter tone scale C.] | 1 1 1 1 2 2 2 2 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 8 7 7 7 7 6 6 6 6 5 5 5 5 4 4 3 3 3 3 2 2 2 2 1 | Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q-Q | 24 | — | — | Unusual | |||
| Scale of harmonics | [Image:Scale of harmonics on C.png|thumb|Scale of harmonics C.] | 2516 | 1 3 3 4 5 6 | 3H-H-H-W-W-3H | 6 | — | — | Unusual | ||
| Slendro | Image:Slendro vs [whole tone scale on C.png|thumb|Slendro on C compared to a whole tone scale on C.] | or | — | — | — | 5 | — | — | — | |
| Tritone scale | 3250 | 1 2 3 5 5 7 | H-3H-W-H-3H-W | 6 | — | — | Unusual | |||
| Two-semitone tritone scale | 3640 | 1 2 2 4 5 6 | H-H-2W-H-H-2W | 6 | — | — | Unusual | |||
| Ukrainian Dorian scale | Image:Ukrainian [Dorian mode on C.png|thumb|Ukrainian Dorian mode on C.] | 2870 | 1 2 3 4 5 6 7 | W-H-3H-H-W-H-W | 7 | Gypsy | Minor | Unusual | ||
| Vietnamese scale of harmonics | 1 3 3 3 4 5 | 5Q-Q-H-H-W | 6 | — | — | Unusual | ||||
| Whole tone scale | [Image:Whole tone scale on C.png|thumb|Whole tone scale on C.] | 2730 | 1 2 3 4 5 6 | W-W-W-W-W-W | 6 | Whole tone | Whole tone | Unusual | ||
| Yo scale | 2644 | 1 2 4 5 6 | W-3H-W-W-3H | 5 | — | — | Unusual |
| Tetrachords | Semitones | Letters |
| Chromatic | 1 1 1 | H-H-H |
| Chromatic | 3 1 1 | 3H-H-H |
| Diatonic | 2 2 1 | W-W-H |
| Diminished | 1 2 1 | H-W-H |
| Gypsy | 2 1 3 | W-H-3H |
| Harmonic/Lydian | 1 3 1 | H-3H-H |
| Major/Dominant | 2 2 1 | W-W-H |
| Minor/Dorian | 2 1 2 | W-H-W |
| Phrygian/Locrian/ Upper minor | 1 2 2 | H-W-W |
| Whole tone | 2 2 2 | W-W-W |