Banjo tuner

Pluck a string — the tuner recognises it and shows whether to tighten or loosen it. It works with your microphone right in the browser; the sound is never uploaded.

Microphone needed

Sound is analysed right in your browser and never uploaded. The browser will ask for permission once.

—
turn on the microphone
Auto: the string is detected automatically. Tap a string to hear its note — the tuner will then listen only to it.
A reference: 440 Hz

Banjo tuning

The 5-string banjo is usually tuned to Open G: g D G B D. The short 5th string is a high G and the rest form a G major chord. The 4-string tenor banjo is tuned in fifths, C G D A.

  • 5th string — G4, 392 Hz
  • 4th string — D3, 146.83 Hz
  • 3rd string — G3, 196 Hz
  • 2nd string — B3, 246.94 Hz
  • 1st string — D4, 293.66 Hz

Other tunings in the list: 4-string tenor (C G D A).

How to tune a banjo online

  • Press "Turn on microphone" and allow access — the sound is processed right in your browser and never uploaded.
  • Pluck one string. The tuner recognises it and the needle shows how far it is below or above the note.
  • Needle left of centre — the string is flat, tighten the peg. Right — it is sharp, loosen it. The green zone (±5 cents) and a check mark mean the string is in tune.
  • Prefer tuning by ear? Tap a string in the list to hear its note.
  • Tune the short 5th string last — against the 1st string at the 5th fret.

Frequently asked questions

What is Open G banjo tuning?

G D G B D: the open strings sound a G major chord, and the short high 5th string is a G.