- C0 (lowest C): 16.35 Hz
- C1: 32.70 Hz
- C2: 65.41 Hz
- C3: 130.81 Hz
- C4 (middle C): 261.63 Hz
- C5: 523.25 Hz
- C6: 1046.50 Hz
- C7: 2093.00 Hz
- C8 (highest C): 4186.01 Hz
So, depending on the octave, the musical note C can be produced with a range of vibrations per second.