C8 — 4186.01 Hz
C8 (MIDI 108) vibrates 4186.01 times per second at standard concert pitch. Play the reference tone below, or tune to it with the online tuner.
C8 at different reference pitches
| Reference (A4) | C8 frequency | Used for |
|---|---|---|
| 415 Hz | 3948.17 Hz | Baroque pitch |
| 432 Hz | 4109.90 Hz | “Verdi” pitch |
| 440 Hz | 4186.01 Hz | Standard concert pitch |
| 442 Hz | 4205.04 Hz | European orchestras |
| 444 Hz | 4224.06 Hz | European orchestras |
Physical properties
- Period: one cycle every 0.24 ms
- Wavelength in air: ≈ 8.2 cm (at 20 °C, 343 m/s)
- MIDI note number: 108
- Octave up: — = 8372.02 Hz · Octave down: 2093.00 Hz