This page contains the tuner and tuning details for Guitar. In order to use the tuners, simply click on the string buttons and a tuning note will play. For best results ensure you are using desktop speakers – onboard laptop or mobile phone speakers will not be very effective for this page.
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String pitches (Low to High)
- E2, 82.41 Hz
- A2, 110.00Hz
- D3, 146.83Hz
- G3, 196.00Hz
- B3, 246.94Hz
- E4, 329.63Hz
Tuning the guitar to itself:
You can fret each string to find the pitch of the next string:
- Bottom E string [Fret 5] = A2
- A string [Fret 5] = D3
- D string [Fret 5] = G3
- G string [Fret 4] = B3
- B string [Fret 4] = E4
You can fret each string to find the octave above the pitch of the string below it:
- A string [Fret 7] = E3
- D string [Fret 7] = A3
- G string [Fret 7] = D4
- B string [Fret 8] = G4
- Top E string [Fret 7] = B4
You can also play simultaneous harmonic notes on adjacent strings which are separated by one octave. This works particularly well on overdriven electric guitars and high quality acoustic guitars. Harmonic interference will cause a vibrato effect if the strings are not tuned to each other, and the strings are tuned to each other when no harmonic interference is audible. This does not work between the G and B strings due to the third interval from G to B.
- Bottom E string [Fret 12] and A string [Fret 7]
- A string [Fret 12] and D string [Fret 7]
- D string [Fret 12] and G string [Fret7]
- B string [Fret 12] and Top E string [Fret 7]




