B5 — 987.77 Hz
B5 (MIDI 83) vibrates 987.77 times per second at standard concert pitch. Play the reference tone below, or tune to it with the online tuner.
B5 at different reference pitches
| Reference (A4) | B5 frequency | Used for |
|---|---|---|
| 415 Hz | 931.64 Hz | Baroque pitch |
| 432 Hz | 969.81 Hz | “Verdi” pitch |
| 440 Hz | 987.77 Hz | Standard concert pitch |
| 442 Hz | 992.26 Hz | European orchestras |
| 444 Hz | 996.75 Hz | European orchestras |
Physical properties
- Period: one cycle every 1.01 ms
- Wavelength in air: ≈ 34.7 cm (at 20 °C, 343 m/s)
- MIDI note number: 83
- Octave up: B6 = 1975.53 Hz · Octave down: 493.88 Hz