7th Chords
C Dominant 7th chord
A major triad plus a minor seventh. The tritone inside it creates the pull that resolves to the tonic — the engine of blues and jazz cadences.
Notes in C Dominant 7th
| Note | Interval | Semitones from root |
|---|---|---|
| C | Root | 0 |
| E | Major 3rd | 4 |
| G | Perfect 5th | 7 |
| A# | Minor 7th | 10 |
Formula: 0–4–7–10 semitones above the root. Move the whole shape up or down and you get the same chord in another key — that is why Dominant 7th chords sound alike no matter where they start.
Other chords on C
Want to hear C Dominant 7th inside a progression? Load a key in the chord progression generator or browse the scales reference.
Practise this chord by ear
ChordCraft Lab turns this reference into practice: daily chord puzzles, adaptive quizzes and ear training on a playable keyboard. 14-day free trial, then $7/month.
Start free trial