Learn › F Sharp Major Chord Inversions (F#, F#/A#, F#/C#)
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F Sharp Major Chord Inversions (F#, F#/A#, F#/C#)
F sharp major chord inversions: root position F# (F# A# C#), 1st inversion F#/A# (A# C# F#) and 2nd inversion F#/C# (C# F# A#). Same three notes, a different note in the bass. Below: each position on the keyboard, how to tell them apart, the fingering for each one and a progression that uses them.
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- MIDI keyboard
- Digital or acoustic piano
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The three positions of F#
Root position starts on F#, the 1st inversion on A#, the 2nd on C#.
Root position: F# A# C#
1st inversion: A# C# F#
2nd inversion: C# F# A#
- Root position: starts on F#, a black key; black keys: F#, A#, C#
- 1st inversion: starts on A#, a black key; black keys: A#, C#, F#
- 2nd inversion: starts on C#, a black key; black keys: C#, F#, A#
Root position or inversion? The quick check for F#
Look for the fourth: it sits on top in the 1st inversion and at the bottom in the 2nd.
| Position | Bass | Name | Figured bass | Shape (bottom to top) |
|---|---|---|---|---|
| Root position | F# | F# | 5/3 | major 3rd + minor 3rd |
| 1st inversion | A# | F#/A# | 6 (6/3) | minor 3rd + perfect 4th |
| 2nd inversion | C# | F#/C# | 6/4 | perfect 4th + major 3rd |
F# inversions: which fingers
| Position | Right hand | Left hand |
|---|---|---|
| Root position (F# A# C#) | 1-3-5 | 5-3-1 |
| 1st inversion (A# C# F#) | 1-2-5 | 5-3-1 |
| 2nd inversion (C# F# A#) | 1-3-5 | 5-2-1 |
The 1st inversion is the only one that changes the right hand: 1-2-5, because the fourth sits on top.
Why F# inversions matter: F# → B/F# → C#/E# → F#
This is the reason pianists learn inversions: F# → B/F# → C#/E# → F# keeps the hand still while the chords change. The common note F# stays under the same finger.
- From F# to B/F#: F# stays, A# → B, C# → D#.
- From B/F# to C#/E#: F# → E#, B → G#, D# → C#.
- From C#/E# to F#: E# → F#, G# → A#, C# stays.
Make the inversions automatic
ChordRunner accepts every voicing, so you can drill F#/A# and F#/C# at speed between other chords. MIDI keyboard or microphone, both work.
Play the demoThe F# chord · All piano chords · Chord inversions explained
Common questions
What is the first inversion of F sharp major?
The 1st inversion of F# is A# C# F#, written F#/A#: the third, A#, is in the bass and F# moves to the top. In figured bass it is a 6 chord.
How do I recognise F#/C# on the piano?
Look at the lowest interval. In F#/C# it is a perfect fourth, C# to F#; the top note of that fourth, F#, is the root.
What fingering do I use for F# inversions?
Right hand: 1-3-5 for root position and 2nd inversion, 1-2-5 for the 1st inversion. Left hand: 5-3-1 for root position and 1st inversion, 5-2-1 for the 2nd inversion.
When are F# inversions used?
Whenever F# follows or precedes a nearby chord. In F# → B/F# → C#/E# → F# the bass walks by small steps and the right hand hardly moves, which is how accompaniments sound smooth.
Can I practise F#/A# and F#/C# with a MIDI keyboard?
Yes. ChordRunner detects a USB MIDI keyboard automatically and also listens through the microphone to an acoustic piano. Every inversion of F# is accepted, so you can drill them in any order.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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