8-String Guitar tuner — Standard F#
F#-B-E-A-D-G-B-E · Standard
This free online tuner listens through your microphone and shows how close each string of your 8-String Guitar is to Standard F# tuning (F#-B-E-A-D-G-B-E). Play a string, watch the needle, and turn the peg until the meter glows green. If you prefer tuning by ear, tap any string card to hear its reference tone.
Other 8-String Guitar tunings
Chords for this tuning
How do I tune my 8-String Guitar to Standard F#?
Allow microphone access, pluck a string, and the tuner will detect it automatically. The needle shows whether the string is flat or sharp — adjust until the reading is within ±5 cents (F#-B-E-A-D-G-B-E).
Which notes are used in Standard F# tuning?
Standard F# tuning for 8-String Guitar uses the notes F#-B-E-A-D-G-B-E, listed from the lowest string to the highest.
Can I tune without a microphone?
Yes. Every string card plays a reference tone — tap it and match your string to the sound by ear.