B5 frequency
In standard tuning (A4 = 440 Hz), B5 is 987.77 Hz. It's MIDI note 83 and key 63 of 88 on a piano.
| Frequency | 987.77 Hz |
| Period | 1.012 ms |
| Wavelength in air | 0.35 m |
| One octave down | B4 · 493.88 Hz |
| One octave up | B6 · 1975.53 Hz |
| At A4 = 432 Hz | 969.81 Hz |
B5 is within the usual range of piano, guitar, violin, viola, flute and a soprano voice.
See every note on the note frequency chart, or train your ear to recognise notes like this one in the course.
Questions
What is the frequency of B5?
987.77 Hz in standard tuning, where A4 is 440 Hz.
What is B5 at 432 Hz tuning?
If A4 is tuned to 432 Hz, B5 becomes 969.81 Hz.
Which octave is B5 in?
Octave 5. Octaves are numbered from C, so B5 sits above middle C (C4).
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