Online Banjo Tuner
Tune 5-string and 4-string banjos with your microphone. Choose open G, double C, drop C, sawmill, tenor, Irish tenor or plectrum tuning.
- Free, no sign-up
- 5 & 4-string banjo
- Private, on-device
Reference pitch (A4)
Hz
Lower it in noisy rooms
Press Start tuning, then play a string
0/5 tuned
Open G notes
A4 = 440 Hz| String | Note | Frequency |
|---|---|---|
| 5 | G4 | 392.00 Hz |
| 4 | D3 | 146.83 Hz |
| 3 | G3 | 196.00 Hz |
| 2 | B3 | 246.94 Hz |
| 1 | D4 | 293.66 Hz |
Open G and the drone string
The 5-string banjo is usually tuned to open G (g D G B D). The short 5th string is a high drone, which means it rings along with every chord.
Switching to Double C or Sawmill for old-time tunes? Pick it from the menu.
Keyboard shortcuts
- Space Start or stop the microphone
- 1–9 Play a string’s reference note
- M Switch Auto / Manual mode
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Start the tuner
Press Start tuning and allow access to the microphone. Hold your banjo 20–50 cm from the mic.
-
Play one string
Pluck one string and let it ring. Auto mode shows the closest string. To stay on one string, switch to Manual.
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Adjust the tuning peg
If the needle is on the left, tighten the string to raise the pitch. If it is on the right, loosen it. Stop when the needle is in the middle and turns green.
Frequently asked questions
What is standard banjo tuning?
Most 5-string banjos use open G, which is g D G B D (G4 D3 G3 B3 D4). If you strum the open strings, they play a G major chord.
Why is the 5th string so high?
The short 5th string is a drone string tuned to a high G (G4). It starts at the 5th fret, and you play it with your thumb.
How is a tenor banjo tuned?
Tenor banjos use C G D A, tuned in fifths. Irish tenor banjos use G D A E, an octave below the fiddle.
All banjo tunings
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