Octave 5 Piano Notes — Frequencies & Keys
12 keys from C5 (523.25 Hz) to B5 (987.77 Hz).
| Note | Frequency | MIDI | Key |
|---|---|---|---|
| C5 | 523.25 Hz | 72 | 52 of 88 |
| C#5 | 554.37 Hz | 73 | 53 of 88 |
| D5 | 587.33 Hz | 74 | 54 of 88 |
| D#5 | 622.25 Hz | 75 | 55 of 88 |
| E5 | 659.26 Hz | 76 | 56 of 88 |
| F5 | 698.46 Hz | 77 | 57 of 88 |
| F#5 | 739.99 Hz | 78 | 58 of 88 |
| G5 | 783.99 Hz | 79 | 59 of 88 |
| G#5 | 830.61 Hz | 80 | 60 of 88 |
| A5 | 880.00 Hz | 81 | 61 of 88 |
| A#5 | 932.33 Hz | 82 | 62 of 88 |
| B5 | 987.77 Hz | 83 | 63 of 88 |