Banjo Tuner Online: Free 5-String Open G (gDGBD)
Tune your 5-string banjo instantly with our free online tuner. Optimized for standard Open G tuning (gDGBD) with microphone detection.
Get ready to pick and roll with our free Online Banjo Tuner. This tool is specifically calibrated for the standard 5-string banjo in Open G tuning.
Banjo Tuner
Tune your banjo with precision
Tips for accurate tuning:
- Play one string at a time, let it ring clearly
- Tune in a quiet environment for best results
- The needle should be centered (green) when in tune
- Flat (♭) means too low, sharp (♯) means too high
Standard Open G Tuning (gDGBD)
The most common tuning for bluegrass and folk banjo is Open G. When you strum all strings open, it sounds a G Major chord.
| String | Note | Frequency | Position |
|---|---|---|---|
| 5th (Short) | g4 | 392.00 Hz | Top, short string |
| 4th (Low) | D3 | 146.83 Hz | Top, long string |
| 3rd | G3 | 196.00 Hz | Middle |
| 2nd | B3 | 246.94 Hz | - |
| 1st (High) | D4 | 293.66 Hz | Bottom |
How to Tune a Banjo
- The 5th String: This is the quirky one! It's the short string that starts at the 5th fret. Note that it is high pitched (g4), typically the same pitch as the 5th fret of the 1st string.
- Friction Pegs: Many older banjos use friction pegs (no gears). If the peg slips backward after you let go, tighten the screw at the end of the button to increase friction.
- Bridge Placement: The bridge on a banjo "floats" (it isn't glued down). If your open strings are in tune but high frets sound bad, your bridge might have slid out of place.
Alternate Tunings
While Open G is standard, banjos love alternate tunings. Use the "Chromatic" mode for these:
- Double C (gCGCD): Popular in Old Time music. Drop the 4th to C and raise the 2nd to C.
- Sawmill / G Modal (gDGCD): raise the 2nd string to C. Spooky mountain sound.
- Drop C (gCGBD): Drop the 4th string to C.
Troubleshooting
String sounds "dead"?
Check the nut slot and the bridge slot. Sometimes dirt gets trapped, or the slot is too tight, killing the vibration.
Buzzing?
Since the bridge floats, it might have moved. Ensure it is sitting flat on the head and perpendicular to the strings.
Related Tools
- Guitar Tuner – For your rhythm section.
- Mandolin Tuner – For the chop player.
- Metronome – Essential for practicing rolls.