Guitar tuning chart: notes, octaves and uses

A guitar tuning chart gives the note each string is tuned to. Standard is E A D G B E from the lowest string; Drop D, Drop C, Drop B and DADGAD lower some of those strings or all of them, each shown here with its octave. It is a chart to look up, not a tuner.

Five guitar tunings, each string from the lowest with its note and octave and its change from Standard in half steps, and what the tuning is often used for
TuningStrings, lowest firstFrom Standard, half stepsOften used for
StandardE2 A2 D3 G3 B3 E40 0 0 0 0 0almost everything; most charts and lessons assume itStandard tuning notes
Drop DD2 A2 D3 G3 B3 E4−2 0 0 0 0 0heavier rock and folkDrop D chords, scales and notes
Drop CC2 G2 C3 F3 A3 D4−4 −2 −2 −2 −2 −2metal and heavy rockDrop C chords, scales and notes
Drop BB1 F#2 B2 E3 G#3 C#4−5 −3 −3 −3 −3 −3very low metal
DADGADD2 A2 D3 G3 A3 D4−2 0 0 0 −2 −2Celtic music and fingerstyleDADGAD chords, scales and notes

A chart, not a tuner

This page does not hear your guitar and sounds no note, so tune your strings to the chart's notes with a tuner. The TabTunix app has one: it names the note a string plays and lists these tunings, and others, to tune to. Once your strings are tuned, the pages for Drop D, Drop C and DADGAD show you what to play.

What changes from standard tuning

Drop D lowers the lowest string a whole step and nothing else. Drop C and Drop B are Drop D tuned down, a whole step and three half steps, so every string is lower than in Standard. DADGAD lowers three strings, the lowest, the B string and the highest, each a whole step.

A chord is named by what sounds, so a chart for Standard does not carry over fret for fret: G's barre 3 5 5 4 3 3 is 5 5 5 4 3 3 in Drop D.

Standard tuning notes

The notes of the guitar strings in standard tuning are E A D G B E, from the thickest string, the 6th, to the thinnest, the 1st: E2 A2 D3 G3 B3 E4 with their octaves. Each fret is a half step, so every note on the fretboard follows from these six. It is the tuning guitar chords are written for unless a chart says otherwise.

Other alternate tunings

Open G is D G D G B D, Open D is D A D F# A D, Half Step Down is Eb Ab Db Gb Bb Eb, Whole Step Down is D G C F A D and Drop C# is C# G# C# F# A# D#. TabTunix's tuner lists more to tune to, and a scale exercise in the app can also be set in the two step-down tunings, but its chords and scales are drawn in the five of the chart.

E Dorian across the fretboard in Drop D, every note colored by its degree, and the chords that fit the scale

In the app

Play in all five tunings

Practice in the tuning you play in: what you look up in TabTunix is drawn and sounds in it, and a scale you keep as an exercise, with a target tempo, waits in its tuning for next time.

More on getting a scale under your fingers in how to practice scales.

Questions about guitar tunings

No. Drop C is C G C F A D, lowest to highest. Drop C# is a half step higher, C# G# C# F# A# D#. Check the strings, not the name.

Pick your tuning and play in it. Free, for Mac and Windows.