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A piano reference: chords, scales, theory. Full MIDI.

F♯ Minor

Notes: F♯ - A - C♯ | Degrees: 1 - ♭3 - 5 | Written: F♯m, F♯min, F♯-

Construction: Root, Minor 3rd, Perfect 5th

It comes from the F# Minor scale (F#, G#, A, B, C#, D, and E) and is formed using the 1st, 3rd, and 5th scale degrees

Fingering: RH 2-3-5, LH 5-3-2

Inversions: Root F♯m - 1st F♯m/A - 2nd F♯m/C♯

G♭ Minor
This is the same chord as G♭ Minor: the same keys on the keyboard, spelled with flats.
Related boards
F♯m7 st, 96.0 mmRoot position, figured bass 5/3

F♯3, A3, C♯4

Fingerings

Root position: either hand, fingers low note to high
HandNotesFingers
RightF♯, A, C♯1-3-5
LeftF♯, A, C♯5-3-1

Close-position standard fingering: either hand takes the whole shape. Thumb is 1, little finger is 5.

F♯ Minor: notes and degrees

F♯m contains F♯, A and C♯. A minor third with a perfect fifth above the root.

Scale degree, note, and interval measured from the root.
DegreeNoteInterval from rootSemitones
1F♯Perfect unison0
♭3AMinor third3
5C♯Perfect fifth7

F♯ and C♯ are black keys; A is white.

Construction

F♯ Minor = Root + Minor 3rd + Perfect 5th = F♯, A, C♯
NoteIntervalDegree
F♯Root1
AMinor 3rd♭3
C♯Perfect 5th5

Fingering

NoteKey colorRight handLeft hand
F♯blackthumb (1)little finger (5)
Awhitemiddle finger (3)middle finger (3)
C♯blacklittle finger (5)thumb (1)

Right hand: thumb (1) on F♯, middle finger (3) on A, little finger (5) on C♯.

Left hand: little finger (5) on F♯, middle finger (3) on A, thumb (1) on C♯.

F♯ Minor Inversions

  • Root position
    F♯ – A – C♯
  • 1st inversion (F♯m/A)
    A – C♯ – F♯
  • 2nd inversion (F♯m/C♯)
    C♯ – F♯ – A

Key Signature

A chord has no key signature of its own, but the F♯ Minor is the tonic (i) chord of F♯ Minor, which shares the signature of its relative major, A Major: 3 sharps (F♯, C♯, G♯).

F♯C♯G♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of F♯ Minor

These are the triads built on each degree of F♯ Minor:

C1C2C3C4AC5C6C7C8F♯C♯
iF♯ Minor (minor)
DegreeNumeralChordQuality
1iF♯ MinorMinor
2ii°G♯ DiminishedDiminished
3IIIA MajorMajor
4ivB MinorMinor
5vC♯ MinorMinor
6VID MajorMajor
7VIIE MajorMajor

How F♯ Minor functions in a key

The same chord takes on a different harmonic role depending on the key it appears in. Here is where F♯ Minor sits diatonically across the common keys:

  • In A major, F♯ Minor is the vi chordthe tonic.
  • In F♯ minor, F♯ Minor is the i chordthe tonic.
  • In E major, F♯ Minor is the ii chorda predominant.
  • In C♯ minor, F♯ Minor is the iv chorda predominant.
  • In D major, F♯ Minor is the iii chorda mediant / color chord.
  • In B minor, F♯ Minor is the v chord.

Scales That Include the F♯ Minor

F♯ Minor : Frequently Asked Questions

What is the F♯ Minor chord on piano?
The F♯ Minor chord contains the notes F♯ – A – C♯. On piano, play these notes together to sound the chord.
What is the F# piano chord?
The F# piano chord (written F♯ Minor) uses the same keys: F♯ – A – C♯. The # and ♯ symbols name the same black key.
What notes make up the F# Minor chord?
F# Minor contains three notes: F# (root), A (minor third), and C# (perfect fifth). F# and C# are black keys while A is a white key, a comfortable shape with the middle note on a white key between two black keys.
What fingering do I use for F# Minor?
Right hand: finger 2 on F#, finger 3 on A, finger 5 on C#. Left hand: finger 3 on F#, finger 2 on A, finger 1 on C#. Finger 2 on the root F# keeps the hand positioned well for reaching A and C#.
What are the inversions of F# Minor?
First inversion (F#m/A): A–C#–F#. Second inversion (F#m/C#): C#–F#–A. F#m/A (first inversion) is one of the most common chord shapes in pop and rock, A in the bass creates smooth connections to D Major and E Major chords.
What songs use the F# Minor chord?
F# Minor is the tonic in Shape of You (Ed Sheeran), appears as the vi chord in A Major songs, and features prominently in classical works. Taylor Swift's Love Story, Passenger's Let Her Go, and many Coldplay songs use F# Minor.
What chords pair well with F# Minor?
In F# Minor: D Major (VI), A Major (III), E Major (VII), C# Major (V). F#m–D–A–E is one of the most popular four-chord sequences in all of pop music. F#m–E–D–C# is the classic descending minor pattern used in countless songs.
How does F# Minor relate to A Major?
F# Minor is the relative minor of A Major: both share 3 sharps (F#, C#, G#). This means F# Minor and A Major share all seven scale notes. The vi chord of A Major is F# Minor, explaining why songs in A Major so naturally feel connected to an F# Minor tonality.

F♯ Minor in detail

Exact

Every pitch class is present and nothing outside the chord is added.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Close, root positionF♯3 A3 C♯4796 mmnoneidentical
Close, first inversionA3 C♯4 F♯49124 mmnoneidentical
Close, second inversionC♯4 F♯4 A48110 mmnoneidentical
Open, fifth on topF♯2 C♯3 A315206 mmnoneidentical

Reduced

A subset of the pitch classes: the identity is incomplete rather than altered.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Root and third onlyF♯3 A3341 mmomits C♯subset

Spans are measured centre to centre at a 165 mm octave (standard keyboard geometry).

Which keys it belongs to

KeyRoman numeralFunction
C♯ minorivSubdominant
D majoriiiTonic substitute
E majoriiPredominant
F♯ minoriTonic, home
A majorviTonic substitute
B minorvMinor dominant

Classification system: common-practice functional harmony.

Change one note

Chords a single note away, and what moving that note does.

ChordChangeFormulaCommon tones
F♯m7adds E1 ♭3 5 ♭73
F♯mMaj7adds E♯1 ♭3 5 73
F♯m6adds D♯1 ♭3 5 63
F♯A becomes A♯1 3 52
F♯dimC♯ becomes C1 ♭3 ♭52
F♯sus2A becomes G♯1 2 52
F♯sus4A becomes B1 4 52
F♯maj7A becomes A♯, E♯1 3 5 72
F♯7A becomes A♯, E1 3 5 ♭72
F♯m7♭5C♯ becomes C, E1 ♭3 ♭5 ♭72
F♯dim7C♯ becomes C, E♭1 ♭3 ♭5 ♭♭72
F♯7sus4A becomes B, E1 4 5 ♭72

Frequencies

NoteMIDIFrequency
F♯354185.00 Hz
A357220.00 Hz
C♯461277.18 Hz

Reference pitch A440, 12-TET, close root position.

Set theory: prime form, Forte number, interval vector
Absolute pitch class set
{6, 9, 1}
Normal order
[6, 9, 1]
Prime form
(037)
Forte number
3-11
Interval vector
<001110>
PairIntervalSemitonesInterval class
F♯ to AMinor third33
F♯ to C♯Perfect fifth75
A to C♯Major third44

Where these facts come from

Every value on this page is derived from the note formula for a minor applied to the root F♯, using standard music theory. Nothing here is hand-entered per chord, so the notes, intervals, inversions and frequencies cannot drift out of agreement with each other. Pitches assume 12-TET at A440.