Frequency of C4 (Middle C)
C4 (Middle C) has a frequency of approximately 261.63 Hz.
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C4, known as Middle C, vibrates at approximately 261.63 Hz on a standard piano.
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).