Interval Library - Browse intervals in any key

Study every simple and compound interval from a chosen tonic: names, standard abbreviations, semitone distance, and difficulty. Use this library to speed up transcription, tighten intonation, connect harmony to melody, and build reliable interval recognition before you move on to chords and scales.

Quick-select common intervals

Featured intervals in D

Guitar interval diagram for Major second in position 10
The distance between two notes with consecutive names, with 2 semitones between them.
Guitar interval diagram for Minor third in position 10
The distance spanning three note names, with 3 semitones between them.
Sheet music of the Major third interval in three octaves (5)
The distance spanning three note names, with 4 semitones between them.
Sheet music of the Perfect fourth interval in three octaves (3)
The distance spanning four note names, with 5 semitones between them.
Guitar interval diagram for Perfect fifth in position 1
The distance spanning five note names, with 7 semitones between them.
Sheet music of the Major seventh interval in three octaves (3)
The distance spanning seven note names, with 11 semitones between them.
Abbreviation
Actions
Perfect unisonP1Beginner
Perfect fourthP4Beginner
Perfect fifthP5Beginner
Perfect octaveP8Beginner
Major secondM2Beginner
Major thirdM3Beginner
Minor secondm2Easy
Minor thirdm3Easy
Major sixthM6Easy
Major seventhM7Easy
Minor sixthm6Intermediate
Minor seventhm7Intermediate
Major ninthM9Intermediate
Perfect eleventhP11Intermediate
Major thirteenthM13Intermediate
Diminished secondd2Intermediate
Augmented secondA2Intermediate
Augmented fourthA4Intermediate
Diminished fifthd5Intermediate
Diminished sixtd6Intermediate
Augmented fifthA5Expert
Augmented sixthA6Expert
Diminished seventhd7Expert
Minor ninthm9Expert
Major tenthM10Expert
Minor thirteenthm13Expert
Minor tenthm10Expert
Diminished duodecimed12Expert
Diminished fourthd4Expert
Augmented thirdA3Expert
Diminished thirdd3Guru
Augmented seventhA7Guru
Augmented ninthA9Guru
Diminished octaved8Guru
Augmented octaveA8Guru
Augmented undecimeA11Guru
Augmented tredecimeA13Guru
Augmented unisonA1Guru

Why intervals matter for musicians and producers

Intervals describe the space between two pitches: they are how you name melodic motion, spell chords and scales, and explain tension and resolution. This library groups every quality in one place so you can compare sounds, read shorthand consistently, and rehearse recognition with structured exercises.

Pair interval study with harmony references when you arrange or improvise: chords stack intervals, and scales sequence them in patterns. Continue with the chord libraryand the scale libraryto see how the same interval vocabulary appears inside voicings and modes.