Open G tuner
Tune your guitar to open G (D G D G B D) with your microphone, right in your browser.
Your microphone stays on this device. Nothing is recorded, saved or sent.
Tap Start tuning, then play a string.
Open G tuning: notes and frequencies
| String | Note | Frequency |
|---|---|---|
| 6th | D2 | 73.4 Hz |
| 5th | G2 | 98.0 Hz |
| 4th | D3 | 146.8 Hz |
| 3rd | G3 | 196.0 Hz |
| 2nd | B3 | 246.9 Hz |
| 1st | D4 | 293.7 Hz |
How to get to open G from standard
- 6th stringE2 → D22 semitones down (2 frets)
- 5th stringA2 → G22 semitones down (2 frets)
- 1st stringE4 → D42 semitones down (2 frets)
The 4th, 3rd, and 2nd strings stay at D3, G3, and B3.
Go a little below the new note, then tune up to it. A string tuned up to pitch stays there longer.
About open G
The open strings play a G major chord, with the root on the 5th string, and many players leave the 6th string out when strumming. Like open D, it suits slide guitar and one-finger major chords.
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