Drop D tuner

Tune to Drop D (D A D G B E) with your phone or computer microphone. Press start, play a string and follow the needle.

Quick answer

Drop D, low to high: D A D G B E.

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Press start, then play a string

Your browser will ask to use the microphone. Sound is processed on your device and never sent anywhere.

Strings: tap to hear the note, or to lock the tuner onto one string
Reference pitch

Drop D: notes and frequencies

Drop D: notes and frequencies with A4 = 440 Hz
StringNoteFrequency
6D273.42 Hz
5A2110.00 Hz
4D3146.83 Hz
3G3196.00 Hz
2B3246.94 Hz
1E4329.63 Hz

Drop D is D A D G B E, from the lowest string to the highest. Only the low E string drops a whole step to D, so you can play power chords with one finger across the bottom three strings.

How to tune

  1. Press Start tuner and allow the microphone.
  2. Play one string at a time and let it ring.
  3. Tune up if the needle sits left of center and down if it sits right. The note turns green within 3 cents.

Other tuners

Half step down tunerD standard tunerDrop D tunerDrop C tunerDrop B tunerOpen G tunerOpen D tunerOpen E tunerDADGAD tuner7-string guitar tuner7-string drop A tuner8-string guitar tuner8-string drop E tunerBass tuner5-string bass tunerUkulele tuner

Tuners for every setup

A clip-on works anywhere. A pedal tuner mutes your signal on stage.

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Common questions

How do I tune to drop D?
Lower your 6th string from E to D. Play the open 4th string (D) and tune the 6th string an octave below it, or use the tuner above.
What notes are drop D tuning?
D A D G B E, from low to high.

Last updated November 14, 2026.