About the F Dominant 7th Chord
The F7 chord (F Dominant 7th) consists of 4 notes: F, A, C, D#. A major triad with a minor seventh. Creates harmonic tension that resolves to the tonic.
To build any dominant 7th chord, apply intervals of 0, 4, 7, 10 semitones above the root. Starting from F: the notes land on F, A, C, D#.
Playing F7 on Piano
Press F, A, C, D# simultaneously. In root position, F is lowest. First inversion places A in the bass for a lighter sound; second inversion uses C as the bass note.
Common Chord Progressions Using F7
- I–IV–V: F7 – A#7 – C7 (blues and rock)
- I–V–vi–IV: F7 – C – Dm – A# (pop staple)
- I–vi–IV–V: F7 – Dm – A# – C (50s progression)
The F7 Chord in Context
As a dominant 7th chord, F7 is the tonic (I) in the key of F major. It also appears as the IV chord in C major, and as the V chord in A# major — making it one of the most important chords across all of Western music.