ChordKeysChord & scale reference

D Augmented Chord (Daug) on Piano

The Daug chord (D augmented) is built from 3 notes: D – F# – A#.

DF#A#

Play these notes on a MIDI keyboard, your computer keyboard, or the on-screen keys and ChordKeys will name the chord back to you.

Notes and intervals

NoteDegreeInterval from DSemitones
D1root0
F#3major 3rd4
A##5augmented 5th8

Inversions

Rearranging which note sits at the bottom gives you 3 playable voicings of the same chord. Inversions let you move between chords with less hand movement.

VoicingNotesBass note
Root positionD – F# – A#D in the bass
1st inversionF# – A# – DF# in the bass
2nd inversionA# – D – F#A# in the bass

How the augmented chord is built

Every augmented chord uses the same interval formula: 1 (0 semitones), 3 (4 semitones), #5 (8 semitones). Starting on D and applying that formula produces D, F#, A#. Learn the formula once and you can build a augmented chord on any of the twelve roots.

Other chords on D

Augmented chords on other roots

Frequently asked questions

What notes are in a Daug chord?

A Daug chord contains the notes D, F#, A#. Those are the 1, 3, #5 degrees measured from the root note D.

How do you play Daug on piano?

Place your thumb on D, then add F# and A# above it. With a right hand in root position the common fingering is 1–3–5.