root position: F#m7b5
F♯ – A – C – E
F#m7b5 Piano Chord
The F sharp half-diminished 7 chord (F♯m7♭5) is made of the notes F♯, A, C and E. Its formula is 1 – ♭3 – ♭5 – ♭7.
Notes in F♯m7♭5
| Note | Formula | Interval from root |
|---|---|---|
| F♯ | 1 | root |
| A | ♭3 | minor 3rd |
| C | ♭5 | diminished 5th |
| E | ♭7 | minor 7th |
How to play F♯m7♭5 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
F♯m7♭5 inversions
1st inversion: F#m7b5/A
A – C – E – F♯
2nd inversion: F#m7b5/C
C – E – F♯ – A
3rd inversion: F#m7b5/E
E – F♯ – A – C
Other names for F#m7b5
F♯m7♭5 is also written as F♯m7♭5, F#ø7, F♯ø7, F#ø, F♯ø, F#min7b5, F♯min7♭5, F#-7b5, F♯-7♭5, Gbm7b5, G♭m7♭5, Gbø7, G♭ø7, Gbø, G♭ø, Gbmin7b5, G♭min7♭5, Gb-7b5, G♭-7♭5.