Scale Finder
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What Your Result Means
- Notes in Scale: The specific pitches that belong to the chosen scale, listed in ascending order from the root. These are the "safe" notes for melody and harmony in that key.
- Interval Pattern: The sequence of whole steps (W) and half steps (H) between consecutive notes. This pattern is what defines a scale type regardless of which root you start on.
- Number of Notes: How many distinct pitches the scale contains before repeating at the octave. Most Western scales have 5 (pentatonic), 6, 7 (diatonic), or 8 notes.
- Relative Major/Minor: The major or minor scale that shares the exact same set of notes but starts on a different root. For example, C major and A natural minor are relatives — same notes, different home base.
How This Calculator Works
You pick a root note and a scale type. The tool looks up the scale's interval template (a fixed sequence of semitone offsets from the root) and maps each offset onto the 12-note chromatic scale starting from your chosen root. The interval pattern is derived from the gaps between successive offsets. Relative major/minor is found by shifting the root by the known interval (e.g., a minor third up for natural minor → relative major).
Quick Questions
Why do some notes show sharps instead of flats?
This tool defaults to sharp spellings (C# rather than Db). In formal music theory, the correct spelling depends on the key signature — for instance, Db major uses flats. The pitches are the same; only the name differs.
What's the difference between a mode and a scale?
A mode is a rotation of a parent scale. Dorian, for example, uses the same notes as the major scale but starts on the second degree. Each mode has a unique interval pattern and a distinct sound character, even though the note set overlaps with its parent major scale.
Which scale should I use for blues or jazz?
The blues scale (6 notes) is a go-to for blues guitar and vocal melody. For jazz, the Dorian and Mixolydian modes are common over minor and dominant chords, respectively. Many jazz players mix scales freely depending on the chord of the moment.
What are whole-tone and diminished scales used for?
The whole-tone scale creates a dreamy, unresolved sound and is common in impressionist music. The diminished (octatonic) scale alternates whole and half steps, producing a symmetrical, tense quality often used in jazz and film scores.
Sources
- Wikipedia — Scale (Music) (overview of scale types, interval patterns, and modes)
- Wikipedia — Mode (Music) (church modes, modern modes, and their interval structures)
Method & review
Estimate only. Results reflect your inputs and standard formulas. Double-check important decisions independently.