| Note |
Frequency (Hz) |
C |
261.63 |
| C# |
277.18 |
| D |
293.67 |
| D# |
311.13 |
| E |
329.63 |
| F |
349.23 |
| F# |
369.99 |
| G |
392.00 |
| G# |
415.31 |
| A |
440.00 |
| A# |
466.16 |
| B |
493.88 |
| Cn |
523.25 |
Notes: ♯ indicates flat; ♭ indicates sharp; n indicates return to natural; Hz is Hertz.
The lowest frequency distinguishable as a note is about 20 hertz. The highest audible frequency is about 20,000 hertz. A hertz (Hz) is a unit of frequency that measures the number of the wave cycles per second frequency of a periodic phenomenon whose periodic time is one second (cycles per second).
