C7 Chord (C Dominant 7th Chord) on Piano & Guitar

A piano keyboard reference for the C dominant 7th chord, abbreviated as C7 or Cdom7, with the notes on piano and chord inversions.

The C dominant 7th chord has the notes C E G B_♭. The 3 inversions to the C dominant 7th chord are E G B_♭ C, G B_♭ C E and B_♭ C E G.

The intervals of the C7 chord are the root (C) , major third (E) , perfect fifth (G) and minor seventh (B_♭) .

Note that dominant 7th chords can also be referred to as major minor seventh chords, because they consist of a major chord with an added minor 7th interval on top.

You may also want to check out the C dominant 9th chord (C9 chord), which is the C7 chord with a major ninth added on top.

🎸 You can also jump to guitar chord diagrams for the C7 chord in common positions on the guitar fretboard. You'll find both open chords and/or barre chords.

C dominant 7th Chord on Piano

⌨️ hint: use numbers 1 to 4 on a computer keyboard to trigger the C7 chord and its inversions.

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🎸 C dominant 7th Chord Guitar Diagrams

Below you'll find guitar chord diagrams for common chord positions of the C dominant 7th chord, along with finger positions or note names.

show: Finger positions Note names

orientation: Vertical Horizontal

1 Index finger

2 Middle finger

3 Ring finger

4 Pinky

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