C 7th Piano Chord Chart
Notes: C - E - G - Bb
Formula: 1 - 3 - 5 - ♭7
Intervals: Root, Major 3rd, Perfect 5th, Minor 7th
C7
Quick answer
The C7 piano chord uses the keys C, E, G, Bb. Play all 4 notes together for the full C 7th sound.
- Piano keys
- C, E, G, Bb
- Formula
- 1 - 3 - 5 - ♭7
- Chord tone count
- 4 notes
Keys to Play
White keys: C, E, G
Black keys: Bb
Play all 4 notes simultaneously with your right hand.
About 7th Chords
A major chord with an added minor 7th. Dominant 7th chords create tension that wants to resolve, making them essential in blues, jazz, and rock.
C 7th Piano Chord FAQ
What notes are in the C 7th piano chord?
The C 7th piano chord uses the notes C, E, G, Bb.
Which piano keys do you press for C7?
Press C, E, G, Bb and play all 4 notes together.
What is the formula for C 7th?
The C 7th formula is 1 - 3 - 5 - ♭7: Root, Major 3rd, Perfect 5th, Minor 7th.