Audio Frequency Calculator
Calculate audio frequency by note and octave
Frequency440.000 Hz
Period2.273 ms
Wavelength (air at 20Β°C)0.780 m
MIDI69
βΉοΈ Uses 12-tone equal temperament: f = A4 Γ 2^((MIDIβ69)/12). Wavelength assumes 343m/s and changes with temperature.
βΉοΈ Audio Frequency Calculator
Calculate audio frequency by note and octave
Verify results with an authoritative source before using them for important medical, legal, or financial decisions.
