F# piano chord — the keys, the inversions, the theory
F# is a major chord built from F#, A#, C#. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.
F#
F# · A# · C#
Semitones above the root: 0 – 4 – 7
A major third at the bottom is what makes this bright and settled.
Inversions of F#
Root position
F# · A# · C# · bass F#
Inversion 1
A# · C# · F# · bass A#
Inversion 2
C# · F# · A# · bass C#
Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.
Keys that contain F#
- BV
- F#I
- DbIV
In B it does this job: I – V – vi – IV
- B
- F#
- G#m
- E