F♯ Minor Triad

Chord Tones: F♯ Minor Triad

Symbol: m, min, - — Formula: 1-♭3-5

DegreeNoteFrequency (A=440, Equal)
1 F♯4 369.994 Hz
♭3 A4 440.000 Hz
5 C♯4 277.183 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolF♯m
All Common Symbolsm, min, -
Interval Formula1-♭3-5
Harmonic Categoryconsonant

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position F♯4 A4 C♯4 F♯ F♯ Minor Triad
First Inversion A4 C♯4 F♯4 A F♯ Minor Triad/A
Second Inversion C♯4 F♯4 A4 C♯ F♯ Minor Triad/C♯

Harmonic Function

The F♯ minor chord commonly functions as the tritone substitution in C major or tonic in F♯ major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.

The minor triad has a dark, introspective sound created by the flat third degree. It is the foundation of minor key harmony and widely used across all genres of music. The F♯ Minor Triad specifically contains 3 notes: F♯, A, C♯ (formula: 1-♭3-5). On piano, F#-rooted chords place the root on a black key, creating hand positions that many pianists find ergonomically comfortable for fast passages. Progressive rock, jazz fusion, and electronic music use F#-rooted chords to create unexpected harmonic shifts and chromatic modulations.

Common Progressions

The F♯ Minor Triad frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Minor Triad

Well-known songs where the F♯ Minor Triad — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
F♯4 369.994 Hz 371.251 Hz 367.911 Hz
A4 440.000 Hz 440.000 Hz 436.043 Hz
C♯4 277.183 Hz 278.437 Hz 279.067 Hz

Scales Containing the F♯ Minor Triad

These scales include the F♯ Minor Triad as a diatonic or characteristic chord: