G#5 — 830.61 Hz
G#5 (MIDI 80) vibrates 830.61 times per second at standard concert pitch. Play the reference tone below, or tune to it with the online tuner.
G#5 at different reference pitches
| Reference (A4) | G#5 frequency | Used for |
|---|---|---|
| 415 Hz | 783.42 Hz | Baroque pitch |
| 432 Hz | 815.51 Hz | “Verdi” pitch |
| 440 Hz | 830.61 Hz | Standard concert pitch |
| 442 Hz | 834.38 Hz | European orchestras |
| 444 Hz | 838.16 Hz | European orchestras |
Physical properties
- Period: one cycle every 1.20 ms
- Wavelength in air: ≈ 41.3 cm (at 20 °C, 343 m/s)
- MIDI note number: 80
- Octave up: G#6 = 1661.22 Hz · Octave down: 415.30 Hz