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Online Banjo Tuner

Tune a 5-string banjo with your microphone. Open G is the most common bluegrass tuning; double C is also included.

TuneBalance · Banjo

Banjo string notes and frequencies

In open G the strings, from the short 5th string to the 1st, are G4 D3 G3 B3 D4. Frequencies below use A4 = 440 Hz.

StringNoteFrequency
5G4392.00 Hz
4D3146.83 Hz
3G3196.00 Hz
2B3246.94 Hz
1D4293.66 Hz

Tunings in this tuner

TuningNotes (low → high)
Open GG4 D3 G3 B3 D4
Double CG4 C3 G3 C4 D4

How to tune a banjo

  1. Press Start Tuning and allow microphone access when your browser asks.
  2. Play one note. Pluck a single string or play one key, close to the microphone, and let it ring.
  3. Read the display. The big letter is the nearest note. The bar shows how far off you are: left is flat (tune up), right is sharp (tune down).
  4. Turn until it goes green. Inside your tolerance (±3 cents by default) the display turns green and the string gets a check mark.

Tips

  • The short 5th string is the highest note. Tune it last.
  • Banjo heads respond to humidity. Check tuning again after the instrument has been out of its case for a few minutes.

FAQ

What is open G tuning on banjo?

g D G B D: G4 on the short 5th string, then D3 G3 B3 D4. Strumming all open strings plays a G major chord.

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