Open D Tuning
D A D F♯ A D (DADF♯AD) tuning
Tune your guitar to Open D DADF sharp AD online using microphone pitch detection, exact string frequencies and precise real-time cents feedback.
How to tune to Open D with a tuner
Open D tuning uses D A D F♯ A D so the six open strings form a D major chord. Lower the sixth, third, second and first strings from standard tuning, then verify every target with the tuner.
Open D string order
From low to high, tune to D2, A2, D3, F♯3, A3 and D4. The F♯ on the third string supplies the major third that gives the open chord its clear D major quality.
Playing in Open D
Open D supports full major chords with a single barre and produces resonant bass and treble D notes. It is widely used for slide guitar, blues, folk and fingerstyle arrangements.