Understanding Guitar Frets

Guitar frets are the metal strips running across the neck that divide the strings into musical notes. Learn how they work and how to navigate the fretboard map.

Half Steps & Whole Steps

Every fret on the guitar represents a half step (semitone) in Western music theory:

Half Step (1 Fret): Moving your finger up by exactly one fret raises the note pitch by a semitone (e.g. from E to F).
Whole Step (2 Frets): Moving your finger up by two frets raises the pitch by a whole tone (e.g. from G to A).
The 12th Fret Octave: The 12th fret contains standard double fret markers. This is the octave point—any string pressed on the 12th fret yields the exact same note as the open string, just one octave higher.

Fret Markers & Layout

To help you navigate the fretboard without looking down constantly, guitars have dot markers at standard intervals:

Single dots are traditionally found on frets **3, 5, 7, 9, 15, and 17**. The double dot represents the **12th fret** (the octave boundary). Our **virtual guitar simulator** replicates these dots, helping you memorize position marks for solos and scales.

Test Fret Notes on the Simulator

Open the interactive virtual guitar fretboard, click different positions, and hear how the pitch rises fret by fret.

Open Fretboard Simulator