Music Intervals
Explore every simple interval from the unison to the octave. Each entry covers the distance in semitones, musical formula, and practical examples so you can recognise the sound on sight—and by ear.
Unison
Minor Second
Major Second
Minor Third
Major Third
Perfect Fourth
Tritone
Perfect Fifth
Minor Sixth
Major Sixth
Minor Seventh
Major Seventh
Octave
Minor Ninth
Major Ninth
Minor Tenth
Major Tenth
Perfect Eleventh
Augmented Eleventh
Diminished Twelfth
Perfect Twelfth
Minor Thirteenth
Major Thirteenth
Minor Fourteenth
Major Fourteenth