What is the frequency (as in Hertz) of various notes?

We all have heard of “low pitch” meaning that the saxophone is tuned to A=440. But what does that mean? Well specifically, it means that the note “A” has a frequency of 440 Hz. The instrument is designed with tuning based upon this note at this frequency. “High pitch” instruments are tuned with "A" having a frequency of 445 Hz or even 448 Hz. While this high pitch is used for tuning of some European orchestras, it is generally not used in Bands. The following is a table of frequencies for the “normal” human hearing range. It is based upon the basic frequency of "A" equals 440 Hz. Bold numbers are notes on a piano. The lowest piano note is A=27.5 Hz, the highest is C=4,186 Hz. The “normal” human hearing range is 20 Hz to 20,000 Hz

Frequency (in Hertz) of Musical Notes within the Human Hearing Range

Click here to see a comparison of Frequencies for A=440Hz and A=457Hz.

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