dominant seventh chord
F♯, A♯, C♯ and E
- Root
- F♯
- Major third
- A♯
- Perfect fifth
- C♯
- Minor seventh
- E
Formula
1 3 5 ♭7 (4, 7, 10 half steps above F♯)
Fingering in root position
| Notes | F♯ | A♯ | C♯ | E |
|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 5 |
| Left hand | 5 | 3 | 2 | 1 |
F♯7 inversions
F♯7 has 3 inversions. Each one keeps the same notes and puts a different one at the bottom, so your hand can stay close to the chord before or after it.
F♯7
Root position
| Notes | F♯ | A♯ | C♯ | E |
|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 5 |
| Left hand | 5 | 3 | 2 | 1 |
F♯7/A♯
First inversion
| Notes | A♯ | C♯ | E | F♯ |
|---|---|---|---|---|
| Right hand | 1 | 2 | 4 | 5 |
| Left hand | 5 | 3 | 2 | 1 |
F♯7/C♯
Second inversion
| Notes | C♯ | E | F♯ | A♯ |
|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 5 |
| Left hand | 5 | 3 | 2 | 1 |
F♯7/E
Third inversion
| Notes | E | F♯ | A♯ | C♯ |
|---|---|---|---|---|
| Right hand | 1 | 2 | 3 | 5 |
| Left hand | 5 | 4 | 2 | 1 |
Keys with F♯7
Roman numerals give a chord's place in a key: capitals for major chords, small letters for minor, ° for diminished. F♯7 appears as:
- V7 in B major
- V7 in B minor
- VII7 in G♯ minor
How F♯7 is built
F♯ is the root, A♯ the major third, C♯ the perfect fifth and E the minor seventh.
A dominant seventh is a major chord plus the minor seventh, 10 half steps above the root. F♯7 is the V7 chord of B major and pulls strongly toward it.
Every chord takes every other letter of the alphabet, so the letters of F♯7 are F, A, C, E. That is why it is spelled F♯, A♯, C♯ and E.
Find F♯7 yourself
Without looking at the diagrams, find the chord on the keyboard, then each inversion. Saying the notes out loud as you tap them helps them stick.
Step 1 of 4
Tap the notes of F♯7, in any octave and any order.
Practice F♯7 in real music
MasterPiano gives you new music to read at your level and listens as you play, through a MIDI keyboard or your device's microphone, marking each note right or wrong.
Start freeQuestions
What notes are in the F♯7 chord?
F♯7 has four notes: F♯, A♯, C♯ and E. F♯ is the root, A♯ the major third, C♯ the perfect fifth and E the minor seventh.
What fingers do you use for F♯7 on piano?
In root position, play F♯, A♯, C♯ and E with right hand fingers 1, 2, 3 and 5 (thumb, index finger, middle finger and little finger) and left hand fingers 5, 3, 2 and 1. The fingers change a little in each inversion; every inversion on this page shows its own.
What are the inversions of F♯7?
F♯7 has 3 inversions, one for each note other than the root at the bottom. First inversion (F♯7/A♯): A♯, C♯, E and F♯. Second inversion (F♯7/C♯): C♯, E, F♯ and A♯. Third inversion (F♯7/E): E, F♯, A♯ and C♯.
What key is F♯7 in?
F♯7 appears as V7 in B major, V7 in B minor and VII7 in G♯ minor.