Guitar Fretboard Practice Test 2026 – Complete Study Guide

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On the D (4th) string, which note is found at the 6th fret?

To determine which note is found at the 6th fret of the D (4th) string, it's essential to understand the note progression on the guitar fretboard. Each fret represents a half step (or semitone) increase from the open string note.

Starting from the open D string, the notes follow this pattern:

- Open string: D

- 1st fret: D# (or Eb)

- 2nd fret: E

- 3rd fret: F

- 4th fret: F# (or Gb)

- 5th fret: G

- 6th fret: G# (or Ab)

When counting up from the open D string to the 6th fret, you reach the note G#. This shows that on the D string, the 6th fret corresponds to the G# note.

This understanding is crucial in identifying notes efficiently on the guitar fretboard, as well as for playing scales, chords, and solos in the correct key.