F♯ Minor Seventh Chord

Chord Tones: F♯ Minor Seventh Chord

Symbol: m7, min7, -7 — Formula: 1-♭3-5-♭7

DegreeNoteFrequency (A=440, Equal)
1 F♯4 369.994 Hz
♭3 A4 440.000 Hz
5 C♯4 277.183 Hz
♭7 E4 329.628 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolF♯m7
All Common Symbolsm7, min7, -7
Interval Formula1-♭3-5-♭7
Harmonic Categorymildly dissonant

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 E4 F♯ F♯ Minor Seventh Chord
First Inversion A4 C♯4 E4 F♯4 A F♯ Minor Seventh Chord/A
Second Inversion C♯4 E4 F♯4 A4 C♯ F♯ Minor Seventh Chord/C♯
Third Inversion E4 F♯4 A4 C♯4 E F♯ Minor Seventh Chord/E

Harmonic Function

The F♯ minor seventh 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 seventh chord adds a minor seventh to the minor triad, creating a smooth, mellow sound. It is ubiquitous in jazz, R&B, and funk as both a chord of repose and a stepping stone in progressions. The F♯ Minor Seventh Chord specifically contains 4 notes: F♯, A, C♯, E (formula: 1-♭3-5-♭7). 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 Seventh Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Minor Seventh Chord

Well-known songs where the F♯ Minor Seventh Chord — 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
E4 329.628 Hz 330.001 Hz 327.032 Hz

Scales Containing the F♯ Minor Seventh Chord

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