Guitar Scales Guide

Updated on April 4, 2020
Jon Green profile image

I started playing guitar many years ago—attracted by the low wages and free beer. My articles are mostly guitar and keyboard lessons. Enjoy!

Scales for Guitar

Note: Although this article is geared towards guitar players, all the theory involved works on piano too, so please make the most of it if you play keyboards.

There are only two types of scale we're going to look at here and, in a guitar lesson, it is only a 10-minute job to learn them. As I'm explaining it in print, it might take a few minutes longer, but it is easy, really! Let's start with a pentatonic scale. That's Greek for five notes and shows how long people have been tinkering with music.

Firstly, why use pentatonic scales? The main reason is that it makes solos much easier. Compared to a standard major scale, you are using 5 notes instead of 7, and those two omitted notes are the ones which tend to clash with chord changes. A good approach is to think pentatonic, and then add those notes back in, when desirable. So, think of pentatonic scales as a default when dealing with unfamiliar material.

If you look at all folk music, from all over the world, pentatonic scales are very common. The best starting point for blues and rock.

Playing the Em Pentatonic Scale


  • String 1 is the thinnest string,
  • String 6 is the thickest.

Tip: use just your first finger (left hand) for this

String 1: Play fret 3, then open string (no fingers!)

String 2 - same thing

String 3 - Fret 2, then open string

Strings 4,5 - same thing

String 6 - Fret 3, open string again

So the pattern, starting with first string (thinnest string) is:

3, 0

3, 0

2, 0

2, 0

2, 0

3, 0.

Hopefully, you have just played an E minor pentatonic scale. Next, play it all backward starting on the low 6th string. Have a friend play Em and G chords and jam along. Or play along with Heart Of Gold or Wish You Were Here.

IMPORTANT: We have just learned a scale pattern, but this is just a map of where you could go. You could (and should) start on different strings, try to sing what you're playing, and generally try to phrase things to sound musical. As soon as you can, abandon the up and down scale pattern.

Playing the Am Pentatonic Scale

Now let's look at Am pentatonic, probably the most widely used guitar scale. All we have to do is move the same pattern up the neck, though because there aren't any open strings it will not look exactly the same. In many ways this is the beauty of the guitar because you can learn one pattern and easily transfer it to all the different keys. Again, starting with string 1 we get:






8,5 (now on string 6!)

You can use this over Am, Dm, Em and also over C, F, G - in other words, any chords in the key of C or Am.

This box of four frets is just one position for this scale, there is a pattern of five shapes that cover the whole guitar neck. This is all detailed in my other hub Guitar - pentatonic scales.

Music theory is covered in my other hubs, so please check them out if this doesn't make sense, or use the comments box to get some more advice. Chromatic notes: when you are really conversant with the scale, try adding some extra notes for a more blues or jazz sound. For instance, instead of going fret7, 5 put in fret 6 too, but only as a fast and interconnecting note. This works ascending too - so you get 5,6,7 on three of the strings.

Guitar Scales—All the Essential Scales

Major Scales

Let's look at major scales. First pattern is C major - starting on fret 3, string 5. Once you have this pattern, you can move it up the neck, or across one string, to play all the major scales.

Scales down the neck (not shown in the diagram)

This is a case of learn one, get 5 free! Find fret 12 - it's where the double dot marker is on most non-classical guitars. Now play the following pattern on string 1 : 12 11 9 7 5 4 2 0.

That's the E major scale. Again, it's good to do the whole scale backward, or:

0 2 4 5 7 9 11 12

As the guitar is tuned EADGBE (low to high) you can simply play the same pattern on all the other strings to give you the scales of A, D, G, B as well.

The third string will give you a G major scale.The notes in a G major scale are:

G A B C D E F# G You can use this scale or the relative minor pentatonic, which is the Em pentatonic scale shown above, in the key of G.

Chords in G: G Am Bm C D Em F#m7b5. So a chord progression that uses G, Em, C, D for instance, will fit both these scales. Although both will work, the pentatonic is much easier to use.

Blues Scales

Use these over blues chords, E7 A7 and B7 in the key of E Blues. For the A blues scale, I've added some essential but little-known info - mix the two scales together, and the major 3rd note works over A7 as it follows the chord notes more closely. When changing to the IV chord, go back to using the minor 3rd instead.

Practical Uses

The E major scale is E F# G# A B C# D# E, and will fit the following chords:

E F#m G#m A B C#m D#m7b5

In fret numbers (this will work on string 1 and string 6)

0 2 4 5 7 9 11 12.

Notice the connection between the notes of the chords and the major scale.You could improvise or compose a melody line using this scale over these chords, in any order.

You could also use the pentatonic scale pattern, in this case it would start at fret 9 and end at fret 12, which is the E, or tonic note. It's much easier to use the pentatonic scale for improvising, and because most rock and blues players use this scale all the time, it also sounds correct stylistically.

Further Study

Use the comments box if you want any help with applications of the scales.

When you have these scale patterns down, try to avoid improvising by just running up and down in a linear fashion. It's much better to have some intervals and jumps, and to use vibrato and pull-offs to breathe some life into the sound. Watch some of the greats in action: Jeff Beck, Jimi, SRV, Carlos Santana, Danny Gatton. Not forgetting Robben Ford and Larry Carlton. Youtube will serve you well, but there are also instructional DVDs to buy or rent.

It's also a good idea for guitarists to play scales on piano or keyboard. Even if at just a basic level, it will really help you understand music theory and what you are doing on the guitar fretboard.


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    • Jon Green profile imageAUTHOR

      Jon Green 

      8 years ago from Frome, Somerset, UK

      Hi Graham- nice guitar! Don't know much about Sunday yet, but will try to let you know if there is a change of plan. Cheers, Jon

    • grahamcooper profile image


      8 years ago

      Jon, very useful. I have a Fender Tele and a G-dec junior so have been playing loud!

      Is it 12 -3 on Sunday?



    • Jon Green profile imageAUTHOR

      Jon Green 

      8 years ago from Frome, Somerset, UK

      Hi lucybell - try taking two or three lessons,check out the lessons on youtube, maybe go to some open mic nights or folk clubs. You could also try DVD lessons,which are often quite helpful. Cheers, Jon

    • lucybell21 profile image

      Bonny OBrien 

      8 years ago from Troy, N.Y.

      Very helpful hub. Lots of good info here. I am trying to learn how to play just using a book, don't think it is working.

    • Jon Green profile imageAUTHOR

      Jon Green 

      9 years ago from Frome, Somerset, UK

      Thanks Tom.

    • TomC35 profile image


      9 years ago from Georgia

      Good job trying to explain something that usually requires visual aid.

    • profile image


      10 years ago

      It will be a lot helpful. Thanks.

    • Jon Green profile imageAUTHOR

      Jon Green 

      11 years ago from Frome, Somerset, UK

      Thanks Lgali - I know this approach works because I've taught 1000+ guitar students! Practice in short 10-min bursts of intense activity, then have a little lie-down.

      Cheers, Jon

    • Lgali profile image


      11 years ago

      good advice


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