F#2 — 92.50 Hz
F#2 (MIDI 42) vibrates 92.50 times per second at standard concert pitch. Play the reference tone below, or tune to it with the online tuner.
F#2 at different reference pitches
| Reference (A4) | F#2 frequency | Used for |
|---|---|---|
| 415 Hz | 87.24 Hz | Baroque pitch |
| 432 Hz | 90.82 Hz | “Verdi” pitch |
| 440 Hz | 92.50 Hz | Standard concert pitch |
| 442 Hz | 92.92 Hz | European orchestras |
| 444 Hz | 93.34 Hz | European orchestras |
Physical properties
- Period: one cycle every 10.81 ms
- Wavelength in air: ≈ 3.71 m (at 20 °C, 343 m/s)
- MIDI note number: 42
- Octave up: F#3 = 185.00 Hz · Octave down: 46.25 Hz