Chord Naming Conventions

There are a lot of chords you may end up needing to play: major, minor, augmented, diminished, half-diminished, seventh, sixth, etc.  And there are multiple ways to write out a chord.  The table below will show many of the ways chords are written, as well as show the scale degrees so that you can apply it to any key.  The chart is based of root C, so that alterations are easy to see.

Short SymbolLong SymbolNotesScale DegreesChord Name
CCmajC - E - G1 - 3 - 5Major Triad
CmCminC - E♭ - G1 - ♭3 - 5Minor Triad
C+CaugC - E - G#1 - 3 - #5Augmented Triad
CdimC - E♭ - G♭1 - ♭3 - ♭5Diminished Triad
C7CdomC - E - G - B♭1 - 3 - 5 - ♭7Dominant Seventh
(Major-Minor Seventh)
CM7Cmaj7C - E - G - B1 - 3 - 5 - 7Major Seventh
Cm7Cmin7C - E♭ - G - B♭1 - ♭3 - 5 - ♭7Minor Seventh
CM6Cmaj6C - E - G - A1 - 3 - 5 - 6Major Sixth
Cm6Cmin6C - E♭ - G - A1 - ♭3 - 5 - 6Minor Sixth
C+7Caug7C - E - G# - B♭1 - 3 - #5 - ♭7Augmented Seventh
C°7Cdim7C - E♭ - G♭ - B𝄫1 - ♭3 - ♭5 - 𝄫7Diminished Seventh
Cø7C half-dimC - E♭ - G♭ - B♭1 - ♭3 - ♭5 - ♭7Half-Diminished Seventh
CmM7CmMaj7C - E♭ - G - B1 - ♭3 - 5 - 7Minor-Major Seventh