Scale Visualiser

See the steps that
guitar shapes conceal.

A piano lays pitch out in one straight chromatic line. This gives guitar students the same advantage: one active string across a complete familiar fretboard, with each W, H and W+H movement made visible and audible.

One active string · whole fretboard

C Major

The reference pattern for tonal music: five whole steps and two half steps.

Wwhole stepWwhole stepHhalf stepWwhole stepWwhole stepWwhole stepHhalf step

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W – W – H – W – W – W – HString 6, root at fret 8. Say the steps as the notes illuminate.

Half step

One fret: the smallest move.

Whole step

Two frets: skip over one fret.

W+H

Minor third

Three frets, shown as a whole step plus a half step.

Guided practice

Can you think in steps, not shapes?

Choose a level for ten short questions. You will build patterns, supply missing movements and spot a changed step—all focused on understanding the sequence.

At-a-glance reference

Every scale step pattern

Compare the architecture of every included scale without changing controls.

FamilyScaleStep patternDegrees

Essential scalesMajorW – W – H – W – W – W – H1 · 2 · 3 · 4 · 5 · 6 · 7 · 8

Essential scalesNatural minorW – H – W – W – H – W – W1 · 2 · ♭3 · 4 · 5 · ♭6 · ♭7 · 8

Essential scalesHarmonic minorW – H – W – W – H – W+H – H1 · 2 · ♭3 · 4 · 5 · ♭6 · 7 · 8

Essential scalesMelodic minorW – H – W – W – W – W – H1 · 2 · ♭3 · 4 · 5 · 6 · 7 · 8

Pentatonic and bluesMajor pentatonicW – W – W+H – W – W+H1 · 2 · 3 · 5 · 6 · 8

Pentatonic and bluesMinor pentatonicW+H – W – W – W+H – W1 · ♭3 · 4 · 5 · ♭7 · 8

Pentatonic and bluesMinor bluesW+H – W – H – H – W+H – W1 · ♭3 · 4 · ♭5 · 5 · ♭7 · 8

Major-scale modesDorianW – H – W – W – W – H – W1 · 2 · ♭3 · 4 · 5 · 6 · ♭7 · 8

Major-scale modesIonianW – W – H – W – W – W – H1 · 2 · 3 · 4 · 5 · 6 · 7 · 8

Major-scale modesPhrygianH – W – W – W – H – W – W1 · ♭2 · ♭3 · 4 · 5 · ♭6 · ♭7 · 8

Major-scale modesLydianW – W – W – H – W – W – H1 · 2 · 3 · ♯4 · 5 · 6 · 7 · 8

Major-scale modesMixolydianW – W – H – W – W – H – W1 · 2 · 3 · 4 · 5 · 6 · ♭7 · 8

Major-scale modesAeolianW – H – W – W – H – W – W1 · 2 · ♭3 · 4 · 5 · ♭6 · ♭7 · 8

Major-scale modesLocrianH – W – W – H – W – W – W1 · ♭2 · ♭3 · 4 · ♭5 · ♭6 · ♭7 · 8

Symmetrical scalesWhole toneW – W – W – W – W – W1 · 2 · 3 · ♯4 · ♯5 · ♭7 · 8

Symmetrical scalesDiminished (W–H)W – H – W – H – W – H – W – H1 · 2 · ♭3 · 4 · ♭5 · ♭6 · 6 · 7 · 8

Symmetrical scalesDiminished (H–W)H – W – H – W – H – W – H – W1 · ♭2 · ♭3 · 3 · ♭5 · 5 · 6 · ♭7 · 8

Symmetrical scalesChromaticH – H – H – H – H – H – H – H – H – H – H – H1 · ♭2 · 2 · ♭3 · 3 · 4 · ♭5 · 5 · ♭6 · 6 · ♭7 · 7 · 8

The lesson behind the tool

See what is really happening inside a scale

Scale shapes are useful, but they can become a set of dots that we play without really understanding. On one string the idea is much clearer: move one fret for a half step (H), two frets for a whole step (W), or three frets for W+H.

The major scale has two important close-together spots

The major scale is W–W–H–W–W–W–H. Most notes are a whole step apart, but two pairs sit only one fret apart. In C major those pairs are E–F and B–C. They are a big part of what makes the major scale sound familiar and complete.

Try it

Choose C major. Play B followed by C several times, then play F followed by E. Notice how the second note in each pair feels like a comfortable place to land.

Modes change the order of the whole and half steps

The seven modes use the same kinds of steps, but put them in a different order. That small change can make a scale sound brighter, darker or more tense. Phrygian begins with a half step, so its first two notes already sound very different from the major scale.

Compare

Keep the same starting note and switch between Ionian (major) and Phrygian. Play only the first two notes. One begins with W and the other with H—you can hear the difference immediately.

Why pentatonic scales have bigger gaps

Pentatonic scales contain five notes instead of seven. With fewer notes spread across the same octave, two gaps become three frets wide. We show each of those larger gaps as W+H.

Transfer it

Play minor pentatonic on one string while saying “W+H, W, W, W+H, W.” Then play a familiar pentatonic box and try to keep hearing that same sequence even when you change strings.

A useful five-minute practice routine

Play one scale while naming every step.
Rebuild it from memory in Guided Practice.
Locate and play each half-step pair in isolation.
Change root and confirm that the spacing stays unchanged.
Play a normal multi-string shape without losing awareness of the steps.

Free guitar lesson and practice tool

Understand the architecture inside every scale

A one-string scale removes the visual interruption caused by changing strings. Every fret is one half step, so the scale’s interval formula, characteristic gaps and points of tension remain visible from tonic to octave.

What you can learn

Recognise whole steps, half steps and W+H minor-third gaps by sight and sound.
Locate the half-step pairs that give major scales and modes their characteristic pull.
Understand that transposing a scale changes its notes but never its step pattern.
Carry interval awareness from one-string study into practical multi-string shapes.

How to use this tool

Choose a root note, scale and active string.
Play the scale slowly while saying each displayed step aloud.
Change the root and confirm that the formula remains identical.
Reconstruct the formula from memory in Guided Practice.

Frequently asked questions

Why learn a guitar scale on one string?

A single string makes pitch linear, so the distance between scale notes stays visible.

What do W, H and W+H mean?

W is two frets, H is one fret, and W+H is a three-fret minor third.