# F♯ Minor 6th piano chord (F♯m6)

F♯m6 contains F♯, A, C♯ and D♯. A minor triad with the sixth added on top. F♯, C♯ and D♯ are black keys; A is white.

- Canonical page: https://piano.org/chords/minor-6th/f-sharp/
- Entity: chord:minor-6th:f-sharp
- Notes: F♯ A C♯ D♯
- Formula: 1 ♭3 5 6
- Intervals from root: P1, m3, P5, M6
- Interval stack (semitones): 3 4 2
- Also written: F♯m6, F#m6, F♯ minor 6th
- Parameters: A440, 12-TET, 165 mm octave, spans centre to centre

## Construction

| Degree | Note | Interval from root | Semitones |
| --- | --- | --- | --- |
| 1 | F♯ | Perfect unison | 0 |
| ♭3 | A | Minor third | 3 |
| 5 | C♯ | Perfect fifth | 7 |
| 6 | D♯ | Major sixth | 9 |

## Fingering

Rest your right hand over the notes with finger 2 on F♯, finger 3 on A, finger 4 on C♯, finger 5 on D♯. The left hand mirrors it.
Right hand 2-3-4-5, left hand 5-4-3-2. Source: piano.org fingering method v1.

## Inversions

| Position | Bass | Notes in order | Figured bass | Span |
| --- | --- | --- | --- | --- |
| Root position | F♯ | F♯3 A3 C♯4 D♯4 | 7 | 9 st, 124 mm |
| First inversion (F♯m6/A) | A | A3 C♯4 D♯4 F♯4 | 6/5 | 9 st, 124 mm |
| Second inversion (F♯m6/C♯) | C♯ | C♯4 D♯4 F♯4 A4 | 4/3 | 8 st, 110 mm |
| Third inversion (F♯m6/D♯) | D♯ | D♯4 F♯4 A4 C♯5 | 4/2 | 10 st, 138 mm |

## Voicings (10)

| Voicing | Notes | Span | Relation | Omits or adds |
| --- | --- | --- | --- | --- |
| Close, root position | F♯3 A3 C♯4 D♯4 | 9 st, 124 mm | identical | none |
| Close, first inversion | A3 C♯4 D♯4 F♯4 | 9 st, 124 mm | identical | none |
| Close, second inversion | C♯4 D♯4 F♯4 A4 | 8 st, 110 mm | identical | none |
| Close, third inversion | D♯4 F♯4 A4 C♯5 | 10 st, 138 mm | identical | none |
| Drop 2 | C♯3 F♯3 A3 D♯4 | 14 st, 193 mm | identical | none |
| Drop 3 | A2 F♯3 C♯4 D♯4 | 18 st, 248 mm | identical | none |
| Drop 2 and 4 | F♯2 C♯3 A3 D♯4 | 21 st, 289 mm | identical | none |
| Shell, root 6 ♭3 | F♯2 D♯3 A3 | 15 st, 206 mm | subset | omits C♯ |
| Guide tones, ♭3 and 6 | A3 D♯4 | 6 st, 83 mm | subset | omits F♯ and C♯ |
| Rootless close | A3 C♯4 D♯4 | 6 st, 83 mm | subset | omits F♯ |

## One-edit neighbors

| Becomes | Edit | Changes | Common tones |
| --- | --- | --- | --- |
| F♯m | 1 ♭3 5 | drops D♯ | 3 |
| F♯m7 | 1 ♭3 5 ♭7 | D♯ becomes E | 3 |
| F♯mMaj7 | 1 ♭3 5 7 | D♯ becomes E♯ | 3 |
| F♯dim7 | 1 ♭3 ♭5 ♭♭7 | C♯ becomes C | 3 |
| F♯6 | 1 3 5 6 | A becomes A♯ | 3 |
| F♯m9 | 1 ♭3 5 ♭7 9 | D♯ becomes E, G♯ | 3 |
| F♯ | 1 3 5 | A, D♯ becomes A♯ | 2 |
| F♯dim | 1 ♭3 ♭5 | C♯, D♯ becomes C | 2 |
| F♯sus2 | 1 2 5 | A, D♯ becomes G♯ | 2 |
| F♯sus4 | 1 4 5 | A, D♯ becomes B | 2 |
| F♯maj7 | 1 3 5 7 | A, D♯ becomes A♯, E♯ | 2 |
| F♯7 | 1 3 5 ♭7 | A, D♯ becomes A♯, E | 2 |

## Set theory

- Absolute pitch classes: {6, 9, 1, 3}
- Relative pitch classes: [0, 3, 7, 9]
- Normal order: [1, 3, 6, 9]
- Prime form: (0258)
- Forte number: 4-27
- Interval vector: <012111>

## Frequencies (close root position)

| Note | MIDI | Frequency |
| --- | --- | --- |
| F♯3 | 54 | 185.00 Hz |
| A3 | 57 | 220.00 Hz |
| C♯4 | 61 | 277.18 Hz |
| D♯4 | 63 | 311.13 Hz |

## Questions and answers

### What notes are in F♯m6?

F♯m6 contains F♯, A, C♯ and D♯. The formula is 1, ♭3, 5, 6.

### How do you play F♯m6 on piano?

Play F♯, A, C♯ and D♯ together. Right hand fingers 2, 3, 4, 5; left hand 5, 4, 3, 2. F♯, C♯ and D♯ are black keys; A is white.

### What are the inversions of F♯m6?

4 positions: root position F♯ A C♯ D♯, F♯m6/A, F♯m6/C♯, F♯m6/D♯.

### What is the difference between F♯m6 and F♯m?

Drops D♯. 3 of the notes are shared.

### What is an easy F♯m6 for small hands?

The guide tones, ♭3 and 6 voicing, A3 D♯4, spans 6 semitones or about 83 mm.

### What are the frequencies of F♯m6?

From F♯3 at A440 in 12-TET: 185.00, 220.00, 277.18, 311.13 Hz.

### What is the set class of F♯m6?

Prime form (0258), Forte 4-27, interval vector &lt;012111&gt;.

### How do I transpose F♯m6 to another key?

Keep the 1, ♭3, 5, 6 formula on the new root. Cm6 is C, E♭, G, A; C♯m6 is C♯, E, G♯, A♯.

### Is G♭m6 the same as F♯m6?

Enharmonically yes: the same piano keys and the same sound, spelled differently.

## Provenance

Every derived value above is computed by the piano.org theory kernel from the root, the quality and the stated parameters. Nothing is hand-entered per chord.

Machine record: https://piano.org/api/knowledge/v1/entities/chord:minor-6th:f-sharp
Last reviewed: 2026-08-12