F note in treble clef
Here is a F note on a staff

The treble clef set the position of the G note on the second line from the bottom, so a F note can be written in the first space of the staff starting from the bottom.
F note in bass clef
Here is a F note on a staff with a bass clef:

The bass clef set the position of the F note on the fourth line from the bottom, so a F note can be written on the fourth line of the staff (from the bottom).
F music note on a piano keyboard
Here are some F notes on a piano keyboard:
how to find the F note on a piano keyboard?
It's very simple! Do you see the black keys? There are two black keys, then three, then two, then three, and so on. The keys for F are just before the first of the three consecutive black keys.
The note F as tonic
The F note is the first music note (the tonic) of the F Major scale and of the F minor scale:
F major scale

F minor scales
Remember that there are four kinds of minor scales:
F natural minor scale:

F harmonic minor scale

F ascending melodic minor scale

F descending melodic minor scale

The F note as leading tone (leading note)
The F note is the leading tone
G flat Major scale:

Frequency in Hertz of the F note (F4)
The scientific pitch notation (also known as American standard pitch notation) symbolizes the following F note as F4:
Depending on the tuning of the musical note A (A4) and in an equal-tempered scale, the frequency of the note F may vary:
If A4 = 440 Hertz: this F note (F4) has a frequency of 349.23 Hz
If A4 = 442 Hertz: this F note (F4) has a frequency of 350.82 Hz
Note: These frequency values in Hertz are valid only for the equal temperament. In other words, these frequencies correspond to the notes on a well-tuned piano.
The F note with different clefs
Obviously, there are several F notes spread out over many octaves. Here are some F notes in different clefs:
Some F notes with a treble clef (G clef)
Here are some F notes with a treble clef:
Some F notes with a bass clef
Here are some F notes with a bass clef:
Some F notes with a tenor clef
Here are some F notes with a tenor clef:
Some F notes with an alto clef
Here are some F notes with an alto clef:
Some F notes with a mezzo-soprano clef
Here are some F notes with a mezzo-soprano clef:
Some F notes with a soprano clef
Here are some F notes with a soprano clef:
Some F notes with a baritone clef
Here are some F notes with a baritone clef:
Scales starting with a F note
Here are all major scales and all minor scales starting with a F note:
F major scale:

F natural minor scale:

F harmonic minor scale:

F ascending melodic minor scale:

F descending melodic minor scale:

Enharmonic equivalents
Here are the enharmonic notes of F:
Notes:
- Enharmonic notes are notes that have the same pitch but not the same name.
- E sharp is enharmonic to F because the sharp raises the pitch by one half step
- G double flat is enharmonic to F because the double flat lowers the pitch by two half steps and because there are two half steps between F and G.
The note F and accidentals
Here are all the possible accidentals you can find with the note F and their positions on a piano keyboard: