The chords in the key of C major
The seven chords in C major are C, Dm, Em, F, G, Am, Bdim. As seventh chords they're Cmaj7, Dm7, Em7, Fmaj7, G7, Am7, Bm7b5. They all use only notes from the C major scale, so they sound like they belong together in any order.
| Degree | Numeral | Triad | Seventh chord |
|---|---|---|---|
| 1 | I | C | Cmaj7 |
| 2 | ii | Dm | Dm7 |
| 3 | iii | Em | Em7 |
| 4 | IV | F | Fmaj7 |
| 5 | V | G | G7 |
| 6 | vi | Am | Am7 |
| 7 | vii° | Bdim | Bm7b5 |
Popular progressions in C major
| Progression | Numerals | Chords in C |
|---|---|---|
| The pop axis | I V vi IV | C G Am F |
| Sensitive pop | vi IV I V | Am F C G |
| 50s doo-wop | I vi IV V | C Am F G |
| Uplift | I IV vi V | C F Am G |
| Floating pop | IV I V vi | F C G Am |
| Canon | I V vi iii IV I IV V | C G Am Em F C F G |
| Mixolydian rock | I bVII IV I | C Bb F C |
| Three-chord rock | I IV V IV | C F G F |
C major on the circle of fifths
C major has no sharps or flats. Its neighbors on the circle of fifths are F major and G major. They share all but one note with it, which makes them the smoothest keys to change to. Its relative minor, A minor, uses exactly the same notes and chords.
Scales to play over C major
Use the C major scale (C D E F G A B) for melodies and solos. For a simpler sound that's hard to get wrong, try the C major pentatonic (C D E G A).
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Common questions
What chords are in the key of C major?
What is the relative minor of C major?
How many sharps or flats are in C major?
What notes are in the C major scale?
Last updated November 14, 2026.