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F is a musical note, the fourth above C. It is also known as fa in fixed-do solfège. It has enharmonic equivalents of E♯ and G, amongst others.

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of Middle F (F4) is approximately 349.228 Hz. See pitch (music) for a discussion of historical variations in frequency.

Designation by octave

Scales

Common scales beginning on F

• 
  F Major: F G A B♭ C D E F


• 
  F Natural Minor: F G A♭ B♭ C D♭ E♭ F


• F Harmonic Minor: F G A♭ B♭ C D♭ E F


• F Melodic Minor Ascending: F G A♭ B♭ C D E F


• F Melodic Minor Descending: F E♭ D♭ C B♭ A♭ G F

Diatonic scales

• F Ionian: F G A B♭ C D E F


• F Dorian: F G A♭ B♭ C D E♭ F


• F Phrygian: F G♭ A♭ B♭ C D♭ E♭ F


• F Lydian: F G A B C D E F


• F Mixolydian: F G A B♭ C D E♭ F


• F Aeolian: F G A♭ B♭ C D♭ E♭ F


• F Locrian: F G♭ A♭ B♭ C♭ D♭ E♭ F

Jazz melodic minor

• F Ascending Melodic Minor: F G A♭ B♭ C D E F


• F Dorian ♭2: F G♭ A♭ B♭ C D E♭ F


• F Lydian Augmented: F G A B C♯ D E F


• F Lydian Dominant: F G A B C D E♭ F


• F Mixolydian ♭6: F G A B♭ C D♭ E♭ F


• F Locrian ♮2: F G A♭ B♭ C♭ D♭ E♭ F


• F Altered: F G♭ A♭ B C♭ D♭ E♭ F

E sharp

E♯ is a common enharmonic equivalent of F, but is not regarded as the same note. E♯ is commonly found before F♯ in the same measure in pieces where F♯ is in the key signature, in order to represent a diatonic, rather than a chromatic semitone; writing an F♮ with a following F♯ is regarded as a chromatic alteration of one scale degree (E♯ and F♮ do not sound the same, except in some tunings that define the notes in that way).

See also

• Piano key frequencies


• F major


• F minor


• Root (chord)

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