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Gdim7 Guitar Chord

G diminished seventh (Gdim7) is made of the notes G B♭ D♭ F♭. Here are 3 ways to play it on guitar, starting with the easiest.

How to play Gdim7 on guitar

  1. Shape 1

    Open position

    4 1 2 3 G B♭ F♭ G D♭ F♭

    312020

  2. Shape 2

    Barre at fret 3

    3fr 1 2 3 4 G D♭ G B♭ F♭ G

    345353

  3. Shape 3

    Barre at fret 8

    8fr 1 4 2 3 G B♭ F♭ G D♭

    x-10-8-9-8-9

Notes in Gdim7

Formula 1 ♭3 ♭5 ♭♭7
DegreeNote
1G
♭3B♭
♭5D♭
♭♭7F♭

Shape 1 step by step

  1. Put your little finger on string 6 at fret 3.
  2. Put your index finger on string 5 at fret 1.
  3. Put your middle finger on string 4 at fret 2.
  4. Put your ring finger on string 2 at fret 2.
  5. Let strings 3, 1 ring open.
  6. Strum from string 6 to string 1.

Shape 2 step by step

  1. Lay your index finger flat across strings 6 to 1 at fret 3.
  2. Put your middle finger on string 5 at fret 4.
  3. Put your ring finger on string 4 at fret 5.
  4. Put your little finger on string 2 at fret 5.
  5. Strum from string 6 to string 1.

Tune your guitar first

A chord only sounds right when your instrument is in tune. Check your strings with the free online tuner before you practise. Open the guitar tuner

Frequently asked questions

What notes are in the Gdim7 chord?

G diminished seventh has the notes G B♭ D♭ F♭. Its formula is 1 ♭3 ♭5 ♭♭7. The numbers are steps of the major scale, counted from the root.

What is the easiest way to play Gdim7 on guitar?

Start with shape 1 (open position), written as 312020 from string 6 to string 1. Here x means you don’t play that string and 0 means it rings open.

What is the difference between Gdim7 and Gm7♭5?

Gdim7 has the notes G B♭ D♭ F♭, and Gm7♭5 has G B♭ D♭ F. The only difference is that Gdim7 has F♭ where Gm7♭5 has F.

Diminished 7th chords in every key

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