Music Scale
Find notes, semitone patterns, and numeric formulas for over 50 musical scales including major, minor, pentatonic, blues, jazz modes, and ethnic scales. Free online music scale finder.
About This Calculator
The Music Scale Calculator helps musicians, composers, and music students find the notes in any musical scale instantly. Whether you are writing a song, improvising a solo, analyzing a piece, or learning music theory, this tool shows you the complete set of scale notes, the semitone interval pattern, and the numeric formula for over 50 scales from around the world.
To find notes in a scale, select a root note (the tonal center), choose a scale category such as Common, Modes, Jazz, Ethnic, or Other, then pick the specific scale name. The calculator applies the scale's semitone pattern to the root note and displays every note in the scale across one octave. The semitone pattern shows the interval distances between consecutive notes — for example, the major scale uses the pattern 2, 2, 1, 2, 2, 2, 1 semitones. The numeric formula uses the major scale as a reference: 1 is the root, ♭3 means lower the third by a semitone, and ♯4 means raise the fourth.
Scales covered include all seven diatonic modes (Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian), common scales (major, natural minor, harmonic minor, melodic minor, major and minor pentatonic, blues), jazz scales (bebop dominant, bebop Dorian, altered, half-whole diminished, Lydian dominant), and ethnic scales from around the world (Arabic, Balinese, Chinese, Hirajōshi, Hungarian minor, Persian, Spanish eight tone, Yo, and many more). The interval chart visually shows the step pattern and the composition of half steps, whole steps, and larger intervals.
Regional Notes
India (IN): Indian classical music uses ragas rather than Western scales. However, the 12-semitone equal temperament system is used in modern Indian film and fusion music. The major scale corresponds to Bilawal thaat, and the natural minor to Kafi thaat.
United States (US): Music education in the US follows the Western classical and jazz tradition. Scales are fundamental to school band, choir, and college music theory curricula. The blues scale and pentatonic scales are especially important in American popular music genres.
United Kingdom (UK): UK music education follows the ABRSM and Trinity graded exam systems, which require knowledge of major, minor, pentatonic, and blues scales across all keys. Jazz scales are introduced at higher grades.
Frequently Asked Questions
What is a music scale?
A music scale is an ordered collection of notes arranged by pitch, typically spanning one octave. Scales form the foundation of melody, harmony, and chord construction in Western and world music traditions.
How do you find notes in a scale?
To find notes in a scale, start from the root note and apply the scale's semitone pattern. For example, the major scale pattern is 2, 2, 1, 2, 2, 2, 1 semitones. Starting from C major, you get C, D, E, F, G, A, B, C. The Music Scale Calculator does this automatically for any root and scale type.
What is the difference between a major and minor scale?
The major scale has a bright, happy sound with the pattern 2, 2, 1, 2, 2, 2, 1 semitones. The natural minor scale sounds darker and uses the pattern 2, 1, 2, 2, 1, 2, 2 semitones. The key difference is the lowered third, sixth, and seventh degrees in the minor scale.
What are the seven musical modes?
The seven musical modes are Ionian (major), Dorian, Phrygian, Lydian, Mixolydian, Aeolian (natural minor), and Locrian. Each mode has a distinct semitone pattern and emotional quality, derived by playing the white notes of a piano from different starting notes.
What is a pentatonic scale?
A pentatonic scale has five notes per octave instead of seven. The major pentatonic uses degrees 1, 2, 3, 5, 6 and the minor pentatonic uses 1, ♭3, 4, 5, ♭7. Pentatonic scales are widely used in rock, blues, folk, and traditional music from Asia, Africa, and the Americas.
What scales are used in jazz music?
Jazz musicians commonly use the bebop scales (dominant, Dorian, major, melodic minor), altered dominant scale, half-whole diminished scale, whole-tone scale, and the modes of the melodic minor scale including Lydian dominant and Locrian ♮2. These scales provide the chromatic passing tones and tension typical of jazz improvisation.
Is this music scale calculator free?
Yes, the Music Scale Calculator is completely free to use with no registration required. You can explore over 50 scales from common, modal, jazz, ethnic, and other categories with any root note.
How is the semitone pattern used to build a scale?
The semitone pattern tells you the distance in half steps between consecutive notes of the scale. For example, the major scale pattern 2, 2, 1, 2, 2, 2, 1 means: whole step from root to 2nd, whole step to 3rd, half step to 4th, and so on. Apply this pattern starting from any root note to build the scale in any key.