Frequency of A5
A5 has a frequency of 880 Hz — exactly one octave above A4.
How to use this tool
- Enter note and octave in the fields above.
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- Read your frequency and the full breakdown beneath it.
A5 vibrates at 880 Hz, exactly double the frequency of concert A4 (440 Hz).
Frequently asked questions
- What frequency is middle C?
- Middle C (C4) is approximately 261.63 Hz in standard A4=440 tuning.
- What is A4 in Hz?
- A4 is 440 Hz by international standard (ISO 16:1975).