C# 9th Piano Chord Chart
Notes: C# - F - G# - B - D#
Formula: 1 - 3 - 5 - ♭7 - 9
Intervals: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th
C#9
Quick answer
The C#9 piano chord uses the keys C#, F, G#, B, D#. Play all 5 notes together for the full C# 9th sound.
- Piano keys
- C#, F, G#, B, D#
- Formula
- 1 - 3 - 5 - ♭7 - 9
- Chord tone count
- 5 notes
Keys to Play
White keys: F, B
Black keys: C#, G#, D#
Play all 5 notes simultaneously with your right hand.
About 9th Chords
A dominant 7th chord with an added 9th. 9th chords sound rich and funky, essential in funk, R&B, jazz, and blues. They add more color than a basic 7th chord.
C# 9th Piano Chord FAQ
What notes are in the C# 9th piano chord?
The C# 9th piano chord uses the notes C#, F, G#, B, D#.
Which piano keys do you press for C#9?
Press C#, F, G#, B, D# and play all 5 notes together.
What is the formula for C# 9th?
The C# 9th formula is 1 - 3 - 5 - ♭7 - 9: Root, Major 3rd, Perfect 5th, Minor 7th, Major 9th.