AbraCalc

What Note is 220 Hz?

220 Hz is the note A3, one octave below concert A4.

Embed this tool on your site

How to use this tool

  1. Enter frequency in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your nearest note and the full breakdown beneath it.

220 Hz corresponds to A3, one octave below the concert pitch of 440 Hz.

Frequently asked questions

What note is 432 Hz?
432 Hz is A4 minus about 31.77 cents — roughly a third of a semitone below A440.
What does cents offset mean?
One semitone = 100 cents. A positive offset means the frequency is sharp; negative means flat.