Chord

A7 chord

A7 is a dominant seventh chord with the notes A, C♯, E, G.

C♯3

G♭7

Intervals

Note	Interval	Semitones
A	root	0
C♯	major 3rd	4
E	perfect 5th	7
G	minor 7th	10

Inversions

Root position	A – C♯ – E – G
1st inversion	C♯ – E – G – A (A7/C♯)
2nd inversion	E – G – A – C♯ (A7/E)
3rd inversion	G – A – C♯ – E (A7/G)

Keys that contain A7

V7 in D major VII7 in B minor

Related chords

A Amaj7 A6 Aadd9 Asus4

How to build a dominant seventh chord

A dominant seventh chord is a major triad with a minor 7th added. It is the V7 chord of a major key and pulls strongly towards the tonic; it is also the basic chord of the blues.

Look up any other chord with the Scale & Chord Finder.