G#m7b5 Guitar Chord | Play, Hear and Practice Interactively
Did you mean G half-diminished, without the sharp? Go to Gm7b5.
G#m7b5 is the symbol for the G# half-diminished chord, which contains G#, B, D and F# (root, minor third, flat five and minor seventh). In a major key it lands on the seventh degree, where it is sometimes called the leading-tone seventh chord. One voicing is listed, and it sits between fret 3 and fret 4.
Every note of G#m7b5 sits inside the G# Locrian scale, so that scale is the natural place to look for melody notes. Strum a shape in front of your microphone and the chord player at the top shows which strings ring and which are muted. Seen from the other side, Abm7b5 names the same sound with the opposite accidentals.
G# minor 7th with flat 5th guitar chord is also written as G#m7b5, G#m7(b5), G#ø7 or G#min7b5. It is also known as the G# half-diminished chord.
G#m7b5 Chord Notes and Formula
Notes that compose the G# m7b5 chord:
Chord formula for the Minor Seventh Flat five chord:
Formula: 1 b3 b5 b7
Same chord, different name: G#m7b5 is also written as Abm7b5 (Ab half-diminished).
G#m7b5 Chord Interactive Fretboard
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G#m7b5 Guitar Chord Diagrams
Position 1 Movable
G# Half-Diminished Finger Positions
- Mute the A string
- Mute the high E string
- Place your index finger (1) on the fret 3 of the B string
- Place your middle finger (2) on the fret 4 of the low E string
- Place your ring finger (3) on the fret 4 of the D string
- Place your pinky finger (4) on the fret 4 of the G string
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Chords That Go With G#m7b5
One key where G#m7b5 fits is A major, where it works as the vii chord. These are the main chords of that key, the ones you will often hear around it:
See every key in the guitar keys chart, or build a progression with these chords in the chord progression generator.
More G# Chords
Want to know how this chord is built? Read diminished and half-diminished chords, or browse all G# guitar chords.
Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What notes are in G#m7b5?
G#m7b5 is G#, B, D and F#: the root, minor third, flat fifth and minor seventh. The D is six semitones from G#, and F# is ten.
Is G#m7b5 the same as Abm7b5?
Yes. G#m7b5 and Abm7b5 are two spellings of the same pitches and sound the same. G#m7b5 is written with sharps, Abm7b5 with flats and a double flat.
How does G# half-diminished compare with a G# minor seventh chord?
Only the fifth moves. G# minor seventh has D#, while G#m7b5 lowers it to D. The minor third B and minor seventh F# remain the same.
Which scale covers G#m7b5?
The G# Locrian scale, G#, A, B, C#, D, E, F#, contains all four chord tones, so it is a reliable scale for melodies over G#m7b5.
How many G#m7b5 voicings are there?
There is 1 voicing, with no open string and no barre. It sits between fret 3 and fret 4.
