Adim Chord

How to play A diminished on guitar — unstable and tense — used to pull between two stronger chords.

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Notes
A – C – D♯
Frets (low → high)
x 12 13 14 13 x
Difficulty
Advanced
Shape
Movable shape at fret 12

How to play Adim, step by step

  1. 1Put your index finger on the 12th fret of the A string (5th).
  2. 2Put your middle finger on the 13th fret of the D string (4th).
  3. 3Put your little finger on the 14th fret of the G string (3rd).
  4. 4Put your ring finger on the 13th fret of the B string (2nd).
  5. 5Leave the low E and high E strings out — mute them with the side of a finger, or just avoid them as you strum.
  6. 6Strum slowly and check every string sounds cleanly; if one buzzes, press closer to the fret wire and arch your fingers so they clear the neighbouring strings.

What makes a diminished chord

Unstable and tense — used to pull between two stronger chords.

NoteIntervalSemitones above A
Aroot0
Cminor 3rd3
D♯flat 5th6

Other A chords

Same root, different colour. Swapping one of these into a progression is the quickest way to change its mood without changing the key.

Every diminished chord

The same shape moved around the neck. If you can play Adim you are a fret-slide away from all of these.

Frequently asked questions

What notes are in the Adim chord?
Adim is made of A, C, D♯ — the root, minor 3rd, flat 5th of A.
Is Adim hard to play?
Adim is an awkward shape — x 12 13 14 13 x asks your fingers to stretch across 4 strings at different frets. Building up to it slowly, or dropping to the root and 5th until your hand is stronger, both work as stepping stones.

Got a chart full of chords like Adim?

Upload a chord sheet and move every chord into a key that fits your hands and your voice — the layout stays exactly as printed. Or let the capo calculator pick the position that turns the barre chords into open ones.