Main ideas
- One fret = one half-step.
- Two frets = one whole-step.
- Move right to go higher.
- Move left to go lower.
- Once you know one note, you can calculate nearby notes.
Knowing fret distance lets you predict note movement quickly.
Every fret changes the pitch by one half-step. Two frets equal one whole-step. This simple math works everywhere on the guitar.
Open-string notes are highlighted differently from fretted notes, and this lesson highlights its key notes in green.