Note Frequency Calculator

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Calculates the frequency (in Hertz) of a specific musical note.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Octave and Note in the units shown.

Step 2

Read Frequency in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Octave: 4; Note: A

Frequency: 440 Hz

Octave: 4; Note: C

Frequency: 261.6255653 Hz

Octave: 5; Note: C

Frequency: 523.2511306 Hz

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