Open D tuning: D A D F♯ A D

The open strings form a D major chord. Open D is used for slide guitar and for big, ringing fingerstyle parts, since many notes can ring against a melody.

Tune to Open D with your mic

Open D notes and frequencies

StringNoteFrequencyChange from standardListen
6D2Down a whole step73.42 HzDown a whole step
5A2110.00 HzSame as standard
4D3146.83 HzSame as standard
3F♯3Down a half step185.00 HzDown a half step
2A3Down a whole step220.00 HzDown a whole step
1D4Down a whole step293.66 HzDown a whole step

String 6 is the lowest (thickest) string. Frequencies use A4 = 440 Hz.

How to tune to Open D from standard

  1. String 6: E → D (down a whole step).
  2. String 3: G → F♯ (down a half step).
  3. String 2: B → A (down a whole step).
  4. String 1: E → D (down a whole step).

Tune down past the note and come back up to it: the string settles and holds pitch better. After a big change, check every string again because the neck tension shifts.

Questions

What are the notes in Open D tuning?

From the lowest (thickest) string to the highest: D A D F♯ A D.

How do I tune to Open D?

Open the Fartguitar tuner with Open D selected, allow the microphone and play one string at a time until the needle sits in the middle. You can also play each reference note on this page and match it by ear.

Other guitar tunings

All tuningsChord library