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Intervals & Root Map
All 12 intervals with fretboard positions, plus an interactive root map for any key.
All 12 intervals from Guitar Atlas page 11. Each shows its fretboard position relative to a root note on a 2-string window.
R0 semitones
Unison
Octave
perfect
♭21 semitone
Minor 2nd
minor
22 semitones
Major 2nd
major
♭33 semitones
Minor 3rd
minor
34 semitones
Major 3rd
major
45 semitones
Perfect 4th
perfect
♭56 semitones
Tritone
Aug 4th / Dim 5th
diminished
57 semitones
Perfect 5th
perfect
♭68 semitones
Minor 6th
Aug 5th
minor
69 semitones
Major 6th
major
♭710 semitones
Minor 7th
minor
711 semitones
Major 7th
major