D Minor Seventh Chord

Chord Tones: D Minor Seventh Chord

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

DegreeNoteFrequency (A=440, Equal)
1 D 293.665 Hz
♭3 F 349.228 Hz
5 A 440.000 Hz
♭7 C 261.626 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolDm7
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 D F A C D D Minor Seventh Chord
First Inversion F A C D F D Minor Seventh Chord/F
Second Inversion A C D F A D Minor Seventh Chord/A
Third Inversion C D F A C D Minor Seventh Chord/C

Harmonic Function

The D minor seventh chord commonly functions as the supertonic (ii) in C major or dominant (V) in G 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.

Common Progressions

The D 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 D 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
D 293.665 Hz 293.332 Hz 294.329 Hz
F 349.228 Hz 347.654 Hz 348.834 Hz
A 440.000 Hz 440.000 Hz 436.043 Hz
C 261.626 Hz 260.740 Hz 261.626 Hz

Scales Containing the D Minor Seventh Chord

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