Guitar Basics

Guitar Notes for Beginners

The guitar has hundreds of notes across the fretboard, but they are all built from just 12 unique pitches that repeat in a pattern. Once you understand that pattern, learning where every note lives becomes straightforward.

The 12 notes in music

Western music uses 12 notes. Seven of them are natural notes with letter names: A, B, C, D, E, F, G. The other five sit between those letters and are named with sharps or flats.

A
A#
B
C
C#
D
D#
E
F
F#
G
G#

Natural notes in grey. Sharps in dark. After G# the sequence loops back to A.

After G#, the sequence starts over at A. This loop of 12 notes is called the chromatic scale. Every note on every string of the guitar comes from this sequence.

Notice there is no sharp between B and C, and no sharp between E and F. Those pairs are only one semitone apart. That asymmetry is one of the few things worth memorizing early on.

How the fretboard works

Each fret raises the pitch by one semitone. The open string is fret 0. Fret 1 is one semitone higher, fret 2 is two semitones higher, and so on. So if an open string is E, fret 1 is F, fret 2 is F#, fret 3 is G, all the way up.

At fret 12, you reach the same note as the open string, just one octave higher. The pattern then repeats from fret 12 to fret 24 exactly as it does from fret 0 to fret 12.

The open string notes

In standard tuning, the six open strings are E, A, D, G, B, E from low to high. Once you know those starting points and how the chromatic sequence works, you can figure out any note on any string.

Low E string example

E
0
F
1
F#
2
G
3
G#
4
A
5
A#
6
B
7
C
8
C#
9
D
10
D#
11
E
12

Fret 0 (open) to fret 12 on the low E string. Blue circles are E notes.

Natural notes first

The most practical way to learn the fretboard is to start with the natural notes only, ignoring sharps and flats at first. On the low E string, the natural notes fall at frets 0 (E), 1 (F), 3 (G), 5 (A), 7 (B), 8 (C), 10 (D), 12 (E).

Knowing where A, D, and G fall across all six strings is especially useful because those notes are fretboard landmarks. They appear as open strings too, making them easy to verify by ear.

Octave shapes

The same note appears multiple times across the fretboard. Learning octave shapes lets you find duplicates quickly. The most common shape: move two strings thicker and two frets higher, and you land on the same note one octave lower.

For example, if you know A is on the 5th fret of the low E string, then A also appears on the 7th fret of the D string. Once you have one anchor note, you can find its octaves across the whole neck without memorizing every position individually.

Why this matters for scales

Scales are just specific subsets of these 12 notes arranged in a pattern. Once you know where notes live on the fretboard, scale shapes start to make sense rather than feeling like arbitrary patterns to memorize. If you want to understand what a scale actually is, the fretboard note map is the foundation.

The best scale to start with as a beginner is the minor pentatonic. It uses five notes, all of which fit neatly into a single box shape that covers two octaves.

See every note on the fretboard

The Scale Mapper labels every note on every string in real time. Pick a key, enable note names, and explore how notes and scales connect across the full neck.

Open Scale Mapper →