# How to Read Guitar Chord Charts (Diagrams Explained)
> Learn to read guitar chord charts and diagrams — strings, frets, dots, finger numbers, X and O symbols, and barre notation, explained for complete beginners.
Chord diagrams look like cryptic grids the first time you see one, but the
whole system takes five minutes to learn — and every chord page on this site
uses exactly the same conventions.

## The grid itself

A chord diagram is a picture of the fretboard standing upright:

- **Six vertical lines** are the strings. Left to right: low E, A, D, G, B, high E.
- **Horizontal lines** are the frets. The thickest line at the top is the nut (the plastic bar by the headstock).
- **A number beside the top fret** appears when the diagram starts higher up the neck — the shape moves up that many frets.

The orientation is the thing people get wrong first. The diagram is not a
top-down view of the guitar in your lap; it is the neck seen face-on, with the
low E string on the left, exactly as it looks when you hold the guitar and look
at the fretboard.

## The symbols

- **Filled dot** = place a finger here. The dot's position tells you which string and fret.
- **Number inside the dot** = which finger: 1 index, 2 middle, 3 ring, 4 pinky.
- **O above a string** = play the string open (no finger).
- **X above a string** = don't play that string — mute it or skip it.
- **A curved bar** = a barre: one finger (almost always the index) presses all the marked strings at that fret.

Some charts also show a **T** for thumb (common in fingerstyle arrangements)
and occasionally a **1–5** number where 5 means the little finger has been
replaced by a small barre.

## Reading your first diagram

Take E minor, one of the easiest chords:

1. The diagram shows dots on the A string fret 2 and D string fret 2, numbered 2 and 3.
2. All other strings show O — everything rings open.
3. Result: middle finger on A string fret 2, ring finger on D string fret 2, strum all six strings.

Now read D major the same way: two X marks (low E and A), an O on the D string,
and three dots on frets 2, 3 and 2 across the G, B and high E strings. The X
marks are the instruction most beginners ignore, and strumming those two low
strings is the single most common reason a D chord sounds muddy.

## Reading a diagram that starts up the neck

When a shape sits above fret 4, the diagram stops drawing the nut and puts a
number at the top left instead. A diagram labelled **5** with dots on the 2nd
and 4th drawn frets means your fingers go to frets 6 and 8 in real terms, not
2 and 4.

The rule is: **the drawn grid is relative, the number is absolute.** Read the
number first, then count up from it.

## Chord symbols decoded

A diagram tells you where to put your fingers. The name above it tells you what
the chord is, and the suffixes are a compressed language of their own:

| Symbol | Meaning | Example |
| --- | --- | --- |
| C | Major triad, root–3rd–5th | C–E–G |
| Cm | Minor: the third flattened a semitone | C–Eb–G |
| C7 | Dominant seventh: a major triad plus a flat 7th | C–E–G–Bb |
| Cmaj7 | Major seventh: a major triad plus the natural 7th | C–E–G–B |
| Cm7 | Minor seventh: minor triad plus a flat 7th | C–Eb–G–Bb |
| Csus4 | The third replaced by the 4th | C–F–G |
| Csus2 | The third replaced by the 2nd | C–D–G |
| Cadd9 | A major triad with the 9th added, third kept | C–E–G–D |
| C6 | Major triad plus the 6th | C–E–G–A |
| Cdim | Diminished: both third and fifth flattened | C–Eb–Gb |
| Caug | Augmented: the fifth raised | C–E–G# |
| C/G | A C chord with G as the lowest note | slash chord |
| C5 | Power chord: root and fifth only, no third | C–G |

Two of these are easy to confuse and worth separating now: **Cmaj7** and **Cm**
are not close relatives. Cmaj7 is bright and jazzy, Cm is dark. The seven
appears in both names; the "maj" refers to the seventh, not the third.

## From diagram to chord chart

A chord chart is the next level up: instead of one chord's fingering, it shows
a song's chords in sequence — usually written above the lyrics or as a compact
progression line like `C – G – Am – F`.

Three conventions make song sheets readable:

1. **One chord per bar unless told otherwise.** A line of four chords usually means four bars, four beats each.
2. **A repeat sign or a bracket** means play that section again rather than reading new chords.
3. **Section labels** (Intro, Verse, Chorus, Bridge) tell you which part of the song you are in, and songs reuse them far more than beginners expect.

Worked example: [Wonderwall](/songs/wonderwall-chords) is charted with a capo
at fret 2 and four chords — Em7, G, Dsus4 and A7sus4 — plus Cadd9 in the bridge.
Read the chart and you see the same four-chord loop in the verse and the chorus,
which is why the song is so easy to play and so hard to stop playing.

## Common confusions

| What you see | What people assume | What it actually means |
| --- | --- | --- |
| X on the low E | "Mute it with the left hand" | Either mute it or simply avoid it with the pick |
| A number at the side | "Start counting from the nut" | The number **is** the starting fret |
| C/E | "Some kind of C chord" | C major with E in the bass, not a different triad |
| 0 in the diagram | "No finger, but I should still press" | Play the string open, nothing touching it |

## How to practise reading

Open any [song page](/songs) on this site and work through it one bar at a
time, saying the chord names out loud before you play them. Reading speed is a
separate skill from playing speed, and it improves fast because you are
training recognition rather than muscle.

If a shape on a chart looks unfamiliar, the fastest way to decode it is the
[chord identifier](/tools/chord-identifier): put in the frets you are playing
and it names the chord, which is the same skill in reverse.
## FAQ
### How do you read a guitar chord diagram?
Hold the diagram upright like the guitar: the leftmost vertical line is the low E string, the rightmost is the high E. Dots show fretted notes, X means don't play the string, O means play it open, and a number at the side shows the starting fret.
### What does the X mean on a guitar chord chart?
An X above a string means "don't play this string" — mute it with a fretting-hand finger or simply avoid it with your pick.
### What does the number in a chord diagram dot mean?
The number inside the dot is the finger you should use: 1 = index, 2 = middle, 3 = ring, 4 = pinky. A curved bar over strings means one finger frets all of them.
### What is the difference between a chord chart and a chord diagram?
A chord diagram shows one chord's fingering. A chord chart (or song sheet) shows a song's chords in order, often written above the lyrics or as a progression like G – Em – C – D.
### What does the number on the left of a chord diagram mean?
A number beside the top fret shows the fret the diagram starts on. A "5" means the top line of the grid is the 5th fret, not the nut, so every dot is read relative to that position.
### What does a slash in a chord name mean?
A slash names a chord with a different bass note. C/G is a C major chord with G in the bass, and it is played by adding the low G on the E string fret 3 to a normal C shape.
Canonical page: https://openguitarchords.com/guides/read-chord-charts