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 C sharp

Abbreviation
Actions
perfect unisonP1Beginner
perfect fifthP5Beginner
perfect fourthP4Beginner
perfect octaveP8Beginner
major secondM2Beginner
major thirdM3Beginner
major sixthM6Beginner
major seventhM7Beginner
minor secondm2Easy
minor thirdm3Easy
minor sixthm6Easy
minor seventhm7Easy
major ninthM9Easy
perfect eleventhP11Easy
major thirteenthM13Easy
diminished secondd2Intermediate
augmented secondA2Intermediate
augmented fourthA4Intermediate
diminished fifthd5Intermediate
augmented fifthA5Intermediate
diminished sixtd6Intermediate
augmented sixthA6Intermediate
diminished seventhd7Intermediate
minor ninthm9Intermediate
minor thirteenthm13Intermediate
major tenthM10Intermediate
diminished thirdd3Expert
diminished fourthd4Expert
augmented thirdA3Expert
augmented seventhA7Expert
augmented ninthA9Expert
minor tenthm10Expert
diminished duodecimed12Expert
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.