Learn › F Half Diminished Chord on Guitar (Fm7b5)
New Released in April 2026
F Half Diminished Chord on Guitar (Fm7b5)
To play Fm7b5 on guitar, press the strings shown below; some strings ring open. Then strum all six strings: the notes F, Ab, Cb, Eb ring together. Here is the shape, finger by finger, plus the chords you will play next to it.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
Fm7b5 guitar chord: shape and fingers
Finger by finger
- Middle: 6th string (low E), fret 1
- Ring: 4th string (D), fret 1
- Little: 3rd string (G), fret 1
Strings to play
1x110x: × = do not play, 0 = open string.
Fm7b5 string by string
| 6th string (low E) | fret 1: F |
|---|---|
| 4th string (D) | fret 1: Eb |
| 3rd string (G) | fret 1: Ab |
| 2nd string (B) | open: Cb |
From Fdim to Fm7b5: 4th string (D): fret 3 → fret 1.
Slide this shape along the neck: fret 2 = F#m7b5, fret 3 = Gm7b5, fret 4 = Abm7b5, fret 5 = Am7b5.
Fm7b5 higher up the neck
Same chord, different place: handy when the next chord is up the neck too.
Where Fm7b5 is used
Fm7b5 leads to Bb7 and then home: it is the ii chord of a minor key, as in Fm7b5 → Bb7 → Ebm.
Play Fm7b5 in a game
Strum Fm7b5 near the microphone when it comes up in ChordRunner: the game checks all four notes, F, Ab, Cb, Eb, and moves on. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.
Play the demoCommon questions
Is Fm7b5 easy on guitar?
Yes, it is one of the open chords beginners learn first. Start slowly, check that every string rings, then practise switching to Fdim.
What is the difference between Fm7b5 and Fdim on guitar?
Fm7b5 adds one note to Fdim: Eb, on top of F Ab Cb. From Fdim to Fm7b5: 4th string (D): fret 3 → fret 1.
Which fingers do I use for Fm7b5?
Middle finger: 6th string (low E), fret 1, ring finger: 4th string (D), fret 1, little finger: 3rd string (G), fret 1.
Does ChordRunner hear Fm7b5 on guitar?
Yes. Strum it near the phone or computer microphone and the game checks the four notes F, Ab, Cb, Eb. A USB MIDI keyboard works too.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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