6-String Guitar tuner — New Standard (NST)
C-G-D-A-E-G · Alternative
This free online tuner listens through your microphone and shows how close each string of your 6-String Guitar is to New Standard (NST) tuning (C-G-D-A-E-G). 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
Standard
Drop
Open
Chords for this tuning
How do I tune my 6-String Guitar to New Standard (NST)?
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 (C-G-D-A-E-G).
Which notes are used in New Standard (NST) tuning?
New Standard (NST) tuning for 6-String Guitar uses the notes C-G-D-A-E-G, 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.