Whole Step Down Guitar Tuner

Use this free whole step down guitar tuner to tune your guitar to D G C F A D.

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Tap Start and pluck a string
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Flat In tune Sharp
Pluck one string at a time. Left means tune up. Right means tune down.

What is whole-step-down tuning?

Whole step down—often called D standard—lowers every string by two semitones. E A D G B E becomes D G C F A D. Because all intervals remain the same, standard-tuning chord and scale shapes still work, but they sound one whole step lower.

How to tune to D standard

  1. Lower the sixth string from E2 to D2.
  2. Lower A2 to G2 and D3 to C3.
  3. Lower G3 to F3, B3 to A3, and E4 to D4.
  4. Play for a minute, then make a second pass across all strings.

Lowering all six strings reduces the total pull on the neck. It is normal for previously tuned strings to move slightly while the instrument settles.

D-standard target frequencies

StringNoteFrequency
6D273.42 Hz
5G298.00 Hz
4C3130.81 Hz
3F3174.61 Hz
2A3220.00 Hz
1D4293.66 Hz

D standard versus Drop D

In Drop D, only the sixth string changes and the notes are D A D G B E. In D standard, every string moves down a whole step to D G C F A D. Drop D preserves most standard chord relationships while D standard preserves all the standard intervals at a lower overall pitch.

String gauge and setup

A regular set can work for occasional use, but lower tension may feel loose—especially on shorter-scale guitars. Players who stay in D standard often prefer a slightly heavier set. If heavier strings bind in the nut, or if the guitar buzzes and plays sharp up the neck, a professional setup may help.

  • Do not compensate for loose strings by pressing harder; that can pull notes sharp.
  • Check intonation after settling on a permanent gauge and tuning.
  • Use the same D-standard note names when communicating with other musicians.

Related pages

All guitar tunings