Flag of Germany: Flag of Germany, horizontally striped flag of black, red, and gold (golden yellow); when used for official purposes, it may incorporate a central eagle shield.
Most of the websites i have looked at, say that the frequency of middle C note is approximately 261.626 Hz. and that middle C on guitar is at the 5th string 3rd fret. but my tuner says the frequency at the 5th string 3rd fret is 130.81 Hz.
Conversion chart from letter note to frequency (Hz). Middle C on the piano keyboard is C. 4 at 262 Hz, and. the highest note on the piano is C 8 at 4186 Hz. Hearing is typically tested between C 4 and an octave above. the highest note on the piano keyboard. A common notation is to have both the note and the frequency. together, as A[440], which is also A. 5. To get the semitone frequency, multiply the note below it by 12â2 or. 1.0595.