G4 — 392.00 Hz
G4 (MIDI 67) vibrates 392.00 times per second at standard concert pitch. Play the reference tone below, or tune to it with the online tuner.
G4 at different reference pitches
| Reference (A4) | G4 frequency | Used for |
|---|---|---|
| 415 Hz | 369.72 Hz | Baroque pitch |
| 432 Hz | 384.87 Hz | “Verdi” pitch |
| 440 Hz | 392.00 Hz | Standard concert pitch |
| 442 Hz | 393.78 Hz | European orchestras |
| 444 Hz | 395.56 Hz | European orchestras |
Physical properties
- Period: one cycle every 2.55 ms
- Wavelength in air: ≈ 87.5 cm (at 20 °C, 343 m/s)
- MIDI note number: 67
- Octave up: G5 = 783.99 Hz · Octave down: 196.00 Hz