F#m7b5 chord

The F#m7b5 chord (F# half-diminished, also written Gbm7b5) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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F#1Ab3Cb5Eb7

About the half-diminished chord

A diminished chord with a minor seventh, also written ø. The natural chord on the second step of a minor key.

Formula: 1 b3 b5 b7. Used in: Jazz and minor-key ii-V-i progressions, R&B.

F#m7b5 inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Keys with F#m7b5

F#m7b5 is the VII chord in G major and II chord in E minor.

It also appears in A Dorian (VI), B Phrygian (V), C Lydian (IV), D Mixolydian (III).

Build a progression around it in the chord progression generator.

More F# chords

Other half-diminished chords

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Questions

What notes are in a F#m7b5 chord?

F#, A, C, E.

What is the formula of a half-diminished chord?

1 b3 b5 b7. A diminished chord with a minor seventh, also written ø. The natural chord on the second step of a minor key.

What key is F#m7b5 in?

F#m7b5 is a chord in G major (VII), E minor (II).

Is F#m7b5 the same as Gbm7b5?

Yes. F# and Gb are the same key on the piano, so the chords sound the same. Which name is used depends on the key of the song.