F# Dominant 7th

Notes:F# – A# – C# – E
Formula:R-M3-P5-m7
Intervals:P1-M3-P5-m7
Scale Degrees:1-3-5-b7

Introduction

The F# Dominant 7th piano chord (F#7) consists of the notes F#, A#, C#, E. It is a major triad with an added minor 7th, giving it a bluesy, tense sound that strongly wants to resolve. Formula: R-M3-P5-m7 | Scale degrees: 1-3-5-b7.

Enharmonic equivalent: F♯ is enharmonically equivalent to G♭. See Gb Dominant 7th.

Notes

Notes:F# – A# – C# – E

F# Dominant 7th Inversions

PositionNotes
Root PositionF#4 – A#4 – C#5 – E5
1st InversionA#4 – C#5 – E5 – F#5
2nd InversionC#5 – E5 – F#5 – A#5
3rd InversionF#4 – A#4 – C#5 – E4

Key Signature

The key of F# Dominant 7th has 6 sharps: F♯, C♯, G♯, D♯, A♯, E♯.

FCGDAE

Theory: Intervals

Formula: R-M3-P5-m7
Intervals: P1-M3-P5-m7

The F# Dominant 7th is built by stacking intervals from the root note. The formula R-M3-P5-m7 describes the scale degrees used. The intervals P1-M3-P5-m7 show the distance between each note in the chord.

F# Dominant 7th — Frequently Asked Questions

What notes are in the F# Dominant 7th chord?

F# Dominant 7th is built from the F# root. Check the interactive keyboard above for exact notes and fingering.

How is the F# Dominant 7th chord used in music?

F# Dominant 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Dominant 7th).

What is the fingering for F# Dominant 7th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of F# Dominant 7th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Practice Tips

  • The tritone between 3rd and b7th creates tension that resolves.
  • Practice V7–I resolution.
  • Essential for blues.
  • Mixolydian is the matching scale.
  • Compare with F#maj7.
  • Blues, jazz, rock vocabulary.