6-String Guitar tuner — Open B

B-F#-B-F#-B-D# · Open

Microphone off
··· Hz

This free online tuner listens through your microphone and shows how close each string of your 6-String Guitar is to Open B tuning (B-F#-B-F#-B-D#). 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 6-String Guitar tunings

Chords for this tuning

How do I tune my 6-String Guitar to Open B?

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 (B-F#-B-F#-B-D#).

Which notes are used in Open B tuning?

Open B tuning for 6-String Guitar uses the notes B-F#-B-F#-B-D#, 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.