Frequency to Note Calculator
Convert any frequency in Hz to the closest musical note with cents offset. Uses A4=440Hz equal temperament tuning by default.
Inputs
Results
Closest Note
A4
How to Use This Calculator
- Enter Frequency and A4 Reference Pitch.
- Review the Closest Note result.
- Use Cents Offset (cents) and Octave to inform your decision.
What each input means
- Frequency
- The frequency in Hertz to identify. Human hearing range is roughly 20 Hz to 20,000 Hz.
- A4 Reference Pitch
- The reference tuning for A4. Standard concert pitch is 440 Hz; baroque pitch is often 415 Hz.
How this is calculated
Worked example, using the default values
- Identify Input ParametersFrequency = 440, A4 Reference Pitch = 440 = 2 input(s) provided
- Calculate Closest NoteClosest Note = `${noteNameA4 = A4
- Calculate Cents OffsetCents Offset0 = 0
- Calculate OctaveOctave4 = 4
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