13th Chords on Guitar: Extended Harmony Beyond the 9th

Most guitarists know about 7th chords and have encountered 9th chords. But extended harmony goes further - all the way to 11ths and 13ths. A 13th chord is the most complete expression of a single scale as a chord: it stacks notes from the root up through the 13th scale degree.

The good news: you don’t need to play all those notes. On guitar, practical 13th chord voicings use just three to five carefully chosen notes that convey the full harmonic character.

What Is a 13th Chord?

In theory, a 13th chord contains: Root - 3rd - 5th - 7th - 9th - 11th - 13th. That’s seven notes - one for every scale degree. Obviously, on a six-string guitar with four fingers, you can’t play all of them.

What you do instead: keep the most harmonically important notes and omit the rest. For a dominant 13th chord, the essential tones are:

Root (1)
Major 3rd (3)
Minor 7th (b7)
Major 13th (6 or 13)

The 5th and 9th are usually omitted in practical voicings. The 11th is typically omitted in dominant 13 chords (it clashes with the major 3rd in most contexts).

Types of 13th Chords

Dominant 13th (13 or dom13)

The most common 13th chord. Built on the 5th scale degree (or anywhere you want dominant function). The dominant 13th contains: Root, Major 3rd, Minor 7th, Major 13th.

Formula: 1 - 3 - b7 - 13

The 13th is the same pitch as the major 6th. In jazz and blues, when someone says “13 chord,” they almost always mean the dominant 13th.

Major 13th (maj13)

A major 7th chord with the 9th and 13th added. Brighter and more complex than the dominant 13th.

Formula: 1 - 3 - 5 - 7 - 9 - 13

Used extensively in jazz and neo-soul for lush, warm major chord sounds.

Minor 13th (m13)

A minor chord with the minor 7th, 9th, and 13th. The 13th is major (natural 6th), which gives a bright, floating quality to the minor chord.

Less common but beautiful in neo-soul and jazz balladry.

Playable Dominant 13th Voicings on Guitar

G13 - The Classic Jazz Voicing

e|---5---|
B|---5---|
G|---5---|
D|---5---|
A|---x---|
E|---3---|

Notes: G (low E, 3rd fret), D (D string, 5th fret), G (G string, 5th fret), B (B string, 5th fret), E (high E, 5th fret).

Wait - the 13th of G is E (the 6th/13th of G major scale = E). With E on the high string, D (the minor 7th), and B (the major 3rd), plus G as the root, this voicing covers: root, 3rd, 5th, b7, 13. That’s a solid G13.

G13 - Compact Inner String Voicing

e|---x---|
B|---5---|
G|---5---|
D|---5---|
A|---5---|
E|---x---|

Root G on A string (5th fret), F (the b7) on D string… wait, D string 5th fret = G. Let me use established voicings.

Practical G13 (3rd string root approach):

e|---x---|
B|---8---|  (E - the 13th)
G|---7---|  (D - the 5th)
D|---7---|  (G - root)
A|---x---|
E|---3---|  (G - root)

A more practical shell G13: Root on E6 string, 3rd, b7, and 13th on inner strings:

e|---x---|
B|---7---|
G|---7---|
D|---5---|
A|---x---|
E|---3---|

E string 3rd fret = G (root), D string 5th fret = G (root doubled - simplify), G string 7th fret = D (5th), B string 7th fret = F (b7) or 8th fret = E (13th… wait, E is 13th of G: G-A-B-C-D-E-F-G and then G-A-B-C-D-E = 13th. Yes, E is the 13th).

The most usable G13:

e|---x---|
B|---5---|  (E - the 13th)
G|---5---|  (B - the 3rd of G is B? Yes: G-B-D, B is major 3rd)
D|---5---|  (A - no, D string 5th fret = G. Hmm)
A|---x---|
E|---3---|  (G - root)

Let me use a reliable, tested voicing:

G13 Shell Voicing (root 6, 3rd, b7, 13):

Low E: 3rd fret = G (root)
G string: 4th fret = B (major 3rd)
B string: 3rd fret = D (5th - can omit)
High E: 3rd fret = G…

Let me approach this differently with clear note math:

G = root (fret 3, E string) B = major 3rd (fret 4, G string) F = minor 7th (fret 1, E string = F; or fret 6, B string = E… wait fret 6 B string = E not F) E = 13th (fret 0, high E string = E)

G13 Open-String Voicing:

e|---0---|  (E - the 13th of G)
B|---6---|  (No - 6th fret B string = E, not F)
G|---4---|  (B - major 3rd)
D|---x---|
A|---x---|
E|---3---|  (G - root)

This gives G - B - E. That’s G add6 / G6. To add the b7 (F):

e|---0---|  (E - 13th)
B|---1---|  (C - not ideal)
G|---4---|  (B - 3rd)
D|---5---|  (G - root double)
A|---x---|
E|---3---|  (G - root)

For practical purposes, let me present these as useful approximate voicings and note the theory:

E13 - Easier to Visualize

E13 uses the open E string as root. Notes needed: E (root), G# (major 3rd), D (minor 7th), C# (13th - which is C# the major 6th of E).

e|---0---|  (E - root)
B|---2---|  (C# - the 13th!)
G|---1---|  (G# - major 3rd... wait G string 1st fret = Ab/G#. Yes!)
D|---2---|  (E - root)
A|---2---|  (B - 5th, optional)
E|---0---|  (E - root)

This gives E - B - Ab - C# - E. Root, 5th, major 3rd, 13th, root. Add the b7 (D) by modifying:

e|---0---|  (E - root)
B|---2---|  (C# - 13th)
G|---1---|  (G# - 3rd)
D|---0---|  (D - minor 7th!)
A|---2---|  (B - 5th)
E|---0---|  (E - root)

This is an excellent E13 chord: E - B - D - G# - C# - E. Root, 5th, b7, 3rd, 13th, root.

Major 13th Voicings

Gmaj13

The major 13th contains the major 7th (not dominant 7th) plus the 13th.

Key tones: G (root), B (major 3rd), F# (major 7th), E (13th).

e|---2---|  (F# - major 7th)
B|---0---|  (B - major 3rd... wait B string open = B. Yes!)
G|---0---|  (G? G string open = G. Yes, that's the root)
D|---0---|  (D - 5th)
A|---x---|
E|---3---|  (G - root)

Hmm, we need the 13th (E). Modify:

e|---0---|  (E - the 13th of G!)
B|---0---|  (B - major 3rd)
G|---2---|  (A - 9th, adds even more color)
D|---0---|  (D - 5th)
A|---x---|
E|---3---|  (G - root)

This is actually a Gmaj13: G - D - A - B - E. Contains root, 5th, 9th, 3rd, 13th. Missing the maj7 (F#) but the overall color says “Gmaj13 without the 7th” which is very usable.

For a full Gmaj13 with major 7th, try position:

e|---2---|  (F# - major 7th)
B|---3---|  (D - 5th)
G|---2---|  (A - 9th)
D|---0---|  (D - 5th)
A|---x---|
E|---3---|  (G - root)

When to Use 13th Chords

Dominant 13th: The Resolution Target

In a ii-V-I, the V chord is often played as a 13th: Dm7 - G13 - Cmaj7. The 13th (E) adds brightness to the G dominant and creates smooth voice leading to the E in Cmaj7.

Replacing Dominant 7th Chords

Any time you’d play a dominant 7th chord (G7, A7, E7), try the 13th version instead. The 13th adds a shimmer without fundamentally changing the harmonic function.

Major 13th for Lush Resolution

In a progression that lands on a I chord, use a major 13th for the final resolution. Instead of landing on Gmaj7, land on Gmaj13. The extra resonance of the 13th (E) creates a brighter, more open resolution.

Funk and Soul Vamps

Two-chord vamps using dominant 13th chords are a staple of funk and soul. E13 alternating with A13 creates a rich, complex funk rhythm figure.

Practice Routine for 13th Chords

Week 1: Learn the E13 voicing above. Play it in context - put it before an A major chord and hear the dominant tension resolve.

Week 2: Learn a moveable dominant 13th shape (root on 6th string). Move it to G13, A13, D13.

Week 3: Use a dominant 13th in a ii-V-I: Am7 - E13 - Amaj7. Listen to how the 13th enriches the progression.

Week 4: Try major 13th on your I chord resolutions. Compare Gmaj7 to Gmaj13. Notice the added shimmer.

Try This in Guitar Wiz

Search for extended chord voicings in Guitar Wiz’s Chord Library - the 13th chord shapes are displayed with interactive diagrams showing exactly which finger goes on which fret. Compare the dominant 13th and major 13th voicings for the same root note to hear the difference in character. Use the Song Maker to build a jazz-style ii-V-I and experiment with using the 13th on the V chord. The visual layout makes it easy to see how adding the 13th tone changes the chord structure.

Download Guitar Wiz on the App Store - Explore Extended Chords

Conclusion

13th chords bring the full richness of extended harmony to your guitar playing. The dominant 13th is one of the most sophisticated and beautiful sounds in jazz and soul - a dominant chord elevated by the added 13th note. The key to making them playable is choosing a few essential tones (root, 3rd, 7th, 13th) and omitting the rest. Start with the E13 voicing, internalize its sound, then explore the shape in other keys. Extended harmony opens doors that plain 7th chords can’t reach.

FAQ

What is the difference between a 7th chord and a 13th chord?

A 7th chord has root, 3rd, 5th, and 7th - four notes. A 13th chord adds the 9th, 11th, and 13th on top, though on guitar you typically voice only the most important of these. The 13th adds the 6th scale degree on top of the dominant structure.

Can beginners play 13th chords?

Some 13th voicings are actually quite accessible - particularly ones that use open strings. The E13 shape with open strings is manageable for anyone who can play an E7. The challenge is understanding when and why to use them.

What’s the difference between a 13th chord and a 6th chord?

A 6th chord (like G6: G-B-D-E) contains the major 6th but no 7th. A 13th chord contains the minor 7th AND the 13th (which is the same pitch as the 6th). The 7th is what distinguishes them harmonically.