Frequency Calculator
Frequency spectrum from 0 Hz to 100,000+ Hz
A4 Tuning:
A4 = 440 Hz (Standard)
A4 = 432 Hz (Verdi)
A4 = 444 Hz (C=528 Hz)
A4 = 442 Hz (European)
A4 = 435 Hz (French 1859)
A4 = 415 Hz (Baroque)
A4 = 460 Hz (Lambert 1815)
Custom...
Current: A4 = 440.00 Hz
Total Range
0 - 100,000+ Hz
Note
Octave
Frequency (Hz)