C#m7♭5 chord on 6-String Guitar – All Fourths

in All Fourths (E-A-D-G-C-F) tuning · Also known as Perfect Fourths

Root

Type

Tuning

C#m7♭5

Half-Diminished

Notes:C# · E · G · B

medium

Piano Left hand Right hand

Fingerings (16)

C#m7♭5 shapes as text

Frets	Fingers	Notes	Difficulty
0 2 2 0 1 2	– 2 3 – 1 4	E B E G C# G	medium
x 4 2 4 4 2	– 2 1 3 4 1	x C# E B E G	medium · barre on fret 2
3 4 x 4 4 x	1 2 – 3 4 –	G C# x B E x	hard
x 4 5 4 4 x	– 1 2 1 1 –	x C# G B E x	easy · barre on fret 4
9 7 5 0 x 6	4 3 1 – – 2	C# E G G x B	hard
9 7 x 6 7 6	4 2 – 1 3 1	C# E x C# G B	hard · barre on fret 6
9 7 9 9 7 x	2 1 3 4 1 –	C# E B E G x	medium · barre on fret 7
0 10 9 0 11 8	– 3 2 – 4 1	E G B G B C#	medium
9 10 9 9 11 11	1 2 1 1 3 4	C# G B E B E	medium · barre on fret 9
0 10 11 0 11 11	– 1 2 – 3 4	E G C# G B E	medium
x x 11 12 11 11	– – 1 2 1 1	x x C# G B E	easy · barre on fret 11
x 4 2 0 4 6	– 2 1 – 3 4	x C# E G E B	hard
x 4 x 4 4 2	– 2 – 3 4 1	x C# x B E G	hard
3 x x 6 4 6	1 – – 3 2 4	G x x C# E B	hard
x 4 5 4 4 6	– 1 2 1 1 3	x C# G B E B	medium · barre on fret 4
7 7 5 6 x x	3 4 1 2 – –	B E G C# x x	medium

Max fret: 12

Fingerings shown: 16

The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for 6-String Guitar – All Fourths generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the C#m7♭5 chord is built

Formula: 1 · ♭3 · ♭5 · ♭7

Degree	Semitones	Note
1	0	C#
♭3	3	E
♭5	6	G
♭7	10	B

More C# chords

C#C#m C#7 C#°C#+C#9 C#maj7 C#m7 C#7♯5 C#7♭5 C#6 C#m6 C#°7 C#sus2 C#sus4 C#add9 C#maj9 C#m9 C#5

Other roots

Cm7♭5 Dm7♭5 D#m7♭5 Em7♭5 Fm7♭5 F#m7♭5 Gm7♭5 G#m7♭5 Am7♭5 A#m7♭5 Bm7♭5

See C#m7♭5 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D All Fourths E-A-D-G-C-F

What notes make up the C#m7♭5 chord?

C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.