# Guitar Fretboard Notes Explained — Learn Every Note on the Neck
> Guitar fretboard notes explained: the open strings, the 12th-fret octave, the 5th-fret rule and a practice plan that makes the whole neck stick.
Every chord shape, scale pattern and solo you will ever play is just a handful of
fretboard notes, chosen on purpose. The players who seem to "see" the neck are not
gifted — they know a handful of landmarks and derive everything else in a split
second. Here is the system they use, and you can too. If you want the visual map
in front of you while you read, keep the
[interactive fretboard chart](/tools/fretboard) open in another tab.

## The open strings: E A D G B E

Everything starts with the six open strings. From thickest to thinnest:
**E, A, D, G, B, E**. Say it until it is automatic — "Eddie Ate Dynamite, Good Bye
Eddie" if you need a mnemonic.

Each fret raises a string by one semitone. So the low E string climbs E, F, F#, G,
G#, A… one note per fret. The A string does the same thing starting from A. Every
string runs through the same 12-note cycle; they just start at different points.
Memorising the fretboard is really memorising six copies of one pattern with six
different offsets — and the offsets are the open strings you just learned.

Here are the seven natural notes on each string, which is the whole map you
actually need:

| String | Open | Natural notes (fret) |
| --- | --- | --- |
| 6 (low E) | E | F 1, G 3, A 5, B 7, C 8, D 10, E 12 |
| 5 (A) | A | B 2, C 3, D 5, E 7, F 8, G 10, A 12 |
| 4 (D) | D | E 2, F 3, G 5, A 7, B 9, C 10, D 12 |
| 3 (G) | G | A 2, B 4, C 5, D 7, E 9, F 10, G 12 |
| 2 (B) | B | C 1, D 3, E 5, F 6, G 8, A 10, B 12 |
| 1 (high E) | E | F 1, G 3, A 5, B 7, C 8, D 10, E 12 |

Two things jump out of that table once you look at it. The high E string is an
exact copy of the low E string. And on every string, E to F and B to C are one
fret apart while every other natural pair is two frets apart — there is no note
between E and F or between B and C, which is why the pattern looks uneven.

## The 12th fret is the reset button

At the 12th fret, every string plays exactly its open note, one octave higher. The
12th fret of the low E string is E. The 12th fret of the D string is D. The double
inlay dots on most guitars mark the spot.

This halves the job instantly: frets 13 and beyond are a copy of frets 1 and up.
Learn the neck from the nut to the 12th fret and you know all of it. When someone
says "the high E at the 15th fret", you can think "3rd fret shape, two positions
over" instead of treating it as new territory.

## The 5th-fret rule (and the one exception)

The strings are tuned so that the 5th fret of any string equals the next string
played open. Fifth fret of the low E is A. Fifth fret of the A string is D. Fifth
fret of the D string is G. This is how you tune a guitar by ear, and it is also
your cross-reference system: any note you are unsure about is five frets behind
the open string above it — or seven frets ahead of the string below.

There is one exception, and it trips everyone up once: the G and B strings are
tuned a semitone closer together, so the B string's open note sits at the
**4th** fret of the G string. Remember "5-5-4-5" walking from the low string up
and you will never be caught out.

## The octave shapes: one landmark, four positions

Octaves are where fretboard knowledge turns into speed, because every note exists
in several places and the distances between them are fixed.

**Two strings down, two frets up.** From the low E string, find the same note two
strings over and two frets higher: low E fret 3 is G, D string fret 5 is G. The
same rule works from the A string to the G string, and from the D string to the B
string.

**Two strings down, three frets up — across the G and B strings.** This is the
only irregular pair. G string fret 5 is C, so the octave is high E string fret 8.

| Root position | Octave position | Frets up |
| --- | --- | --- |
| String 6 | String 4 | +2 |
| String 5 | String 3 | +2 |
| String 4 | String 2 | +2 |
| String 3 | String 1 | +3 |

That table is why the CAGED shapes repeat the way they do, and why a barre chord
played at fret 3 and the same chord at fret 10 are the same shape two strings and
seven frets apart. Learn four octave pairs and one landmark note becomes four
positions on the neck.

## Natural notes vs sharps and flats

Seven of the twelve notes are **natural** — A, B, C, D, E, F, G — the white keys of
the piano. The five in between are named relative to their neighbours: the note
between C and D is C# (C raised a semitone) or Db (D lowered a semitone). Same
fret, same pitch, two spellings.

Which spelling is "correct" depends on the key: sharp keys like G and D use sharp
names, flat keys like F and Bb use flat names. For fretboard navigation it barely
matters — but knowing both means you can follow any chord chart, any teacher and
any bandmate without translating in your head.

## Where fretboard knowledge actually pays off

Note names are not trivia. Three things get easier the moment the neck stops
being anonymous:

**Barre chord roots.** The E-shape barre takes its name from the note under your
index finger on the low E string, and the A-shape from the A string. Knowing the
natural notes on those two strings means you can name any barre chord you play
without counting from the nut. [Creep](/songs/creep-chords) is a good test: its B
and Cm sit at A-string frets 2 and 3, and if you know the A string you already
know why.

**Chord tones.** A chord is a set of note names, not a picture. Once you know that
[F major](/chords/f) is F, A and C, you can find it in five places instead of one,
and you can see which note to move when a chord changes. The
[chord builder](/tools/chord-builder) shows the same relationship from the
interval side.

**Scale positions.** Every scale is a set of note names, so knowing the neck turns
"where do I put my fingers" into "which notes am I allowed". The
[scale finder](/tools/scale-finder) draws any scale across the whole neck, and
the [scale pages](/scales) explain which songs each one fits.

## Three mistakes that slow this down

| What people do | Why it fails | Do this instead |
| --- | --- | --- |
| Memorise every fret on every string | 96 positions, no structure, forgotten in a week | Learn the natural notes on E and A, then derive with octaves |
| Practise by looking at a chart | Recognising a note is not the same as recalling it | Cover the chart and name notes cold |
| Learn sharps only | Flat keys then read as foreign | Learn both spellings for the five in-between notes |

## A practice plan that actually sticks

Cramming the whole neck in a weekend does not work; five focused minutes a day
does. Here is the sequence:

1. **Week 1 — the anchor strings.** Learn the natural notes on the low E and A
   strings only. These are your barre-chord roots, so they pay off immediately.
2. **Week 2 — the octave trick.** Every note on the high e string mirrors the low
   E, and the note two strings up and two frets over is always the octave. Derive,
   don't memorise.
3. **Week 3 — the middle strings.** Use the 5th-fret rule to check yourself as you
   fill in the D, G and B strings.
4. **Week 4 — say it while you play.** Take a song you already know, such as
   [Knockin' on Heaven's Door](/songs/knockin-on-heavens-door-chords), and name
   the root note of each chord out loud as you change to it. Naming notes during
   real music is the step most people skip, and it is the one that makes the
   knowledge stick.
5. **Ongoing — daily drilling.** Play the
   [60-second fretboard trainer](/tools/fretboard-trainer) once a day: it flashes a
   note, you find it (or name it), and the streak keeps you honest. A month of
   one-minute rounds beats a year of vague intentions.

Bookmark the [fretboard notes chart](/tools/fretboard) for reference, but spend
your practice time on recall — looking things up is how you learn the map, and
naming notes cold is how you make it yours.
## FAQ
### What are the notes on each guitar string?
In standard tuning the open strings are E A D G B E, from the thickest string to the thinnest. Each fret raises a string by one semitone, so every string runs through the same 12-note cycle starting from its open note.
### How many notes are on a guitar fretboard?
Only 12 unique notes — C, C#, D, D#, E, F, F#, G, G#, A, A# and B — but each one appears in many places. On a 15-fret neck there are 96 positions; the 12th fret repeats the open strings an octave up.
### Do I need to memorise every fretboard note?
Not by brute force. Learn the open strings, the 12th-fret octave and the 5th-fret rule, and every other note becomes a short hop from a landmark you already know. A few minutes of daily drilling fills in the rest within weeks.
### Should I learn sharps or flats first?
Learn both spellings for the five in-between notes — C#/Db, D#/Eb, F#/Gb, G#/Ab and A#/Bb. Sharp keys (G, D, A, E) use sharp names, flat keys (F, Bb, Eb) use flat names, and the fret is identical either way.
### What is the fastest way to learn the notes on the fretboard?
Start with the natural notes on the low E and A strings, because those are your barre-chord roots, then use the octave shapes to derive the same notes two strings over. Deriving beats memorising because one landmark gives you four positions.
### Why is the B string tuned differently?
The guitar is tuned mostly in fourths (E to A to D to G), but the G to B step is a major third instead of a fourth. That single irregularity is why the fretboard has two octave patterns instead of one, and why the 5th-fret rule becomes the 4th-fret rule on the G string.
Canonical page: https://openguitarchords.com/guides/guitar-fretboard-notes