Guitar Tuner

Tune your guitar to 432 Hz, 440 Hz or 444 Hz

Reference pitch

Strings — EADGBE

6
E2
82.4 Hz
5
A2
110.0 Hz
4
D3
146.8 Hz
3
G3
196.0 Hz
2
B3
246.9 Hz
1
E4
329.6 Hz

About frequencies

  • 432 Hz - So-called "natural" frequency, often used in music therapy and meditation.
  • 440 Hz - International standard (ISO 16) used by the majority of musicians.
  • 444 Hz - Alternative tuning, appreciated for its brightness and resonance.