7-String Guitar Standard Tuner (B E A D G B E)
Standard seven-string guitar tuning (BEADGBE) adding a heavy low B fifth below standard low E.
Tap any peg to hear reference tone or pin string
7-String Guitar Standard String Notes & Hertz
Exact acoustic frequencies for each string in 7-String Guitar Standard at standard concert pitch (A4 = 440 Hz).
| String | Note | Scientific | Target Frequency | Reference Pluck |
|---|---|---|---|---|
| #7 | B | B1 | 61.74 Hz | |
| #6 | E | E2 | 82.41 Hz | |
| #5 | A | A2 | 110.00 Hz | |
| #4 | D | D3 | 146.83 Hz | |
| #3 | G | G3 | 196.00 Hz | |
| #2 | B | B3 | 246.94 Hz | |
| #1 | E | E4 | 329.63 Hz |
How to Tune to 7-String Guitar Standard
Follow these sequential steps to safely adjust your peg tension into 7-String Guitar Standard.
Tune the 7th string (thickest) to Low B (B1 - 61.74 Hz).
Tune 6th string to Low E (E2 - 82.41 Hz).
Tune 5th string to A (A2 - 110.00 Hz).
Tune 4th string to D (D3 - 146.83 Hz).
Tune 3rd string to G (G3 - 196.00 Hz).
Tune 2nd string to B (B3 - 246.94 Hz).
Tune 1st string to High E (E4 - 329.63 Hz).
More Guitar Tunings
The universal concert tuning used across rock, pop, acoustic, blues, and classical guitar.
The 6th string is dropped one whole step from E down to D, enabling fast one-finger power chords.
All strings tuned one full step down, with the 6th string dropped an additional whole step to C.
Every string tuned down one semitone (Eb Ab Db Gb Bb Eb) for warmer acoustic timbre and easier bends.
Every string lowered by one full whole step (D G C F A D) for dark, heavy chords.
Modal D suspended tuning renowned for open, ringing acoustic harmonies in Celtic and fingerstyle folk.
Strumming all open strings produces a pure G major triad. The definitive sound of the Rolling Stones.
An open strum rings out a full D major chord (D A D F# A D). Standard for blues slide guitar.
Open strum produces an E major chord. Duane Allman / Derek Trucks slide signature.
An expansive open tuning sounding a deep C major triad (CGCGCE), favored for lush acoustic fingerstyle and drone acoustic.
Both the 1st and 6th outer strings are dropped one whole step to D, creating a symmetrical D-A-D-G-B-D tuning.
An evocative modal minor tuning (C G C Eb G Bb) creating an open C minor 11 chord with haunting, cinematic overtones.
Standard twelve-string acoustic/electric concert tuning with octave pairings on the lower 4 courses and unisons on the top 2 courses.
7-String Guitar Standard Frequently Asked Questions
What is the low string on a 7-string guitar?โผ
The lowest string is B1 (61.74 Hz), five semitones below the standard 6th string low E (82.41 Hz).
Who uses 7-string guitar standard tuning?โผ
Steve Vai popularized 7-string guitars with Ibanez Universe, followed by Dream Theater (John Petrucci), Korn, and modern metal bands.