C major scale

The C major scale is C D E F G A B C. The key of C major has no sharps or flats. Its relative minor is A minor, which uses the same key signature.

C D E F G A B C

C major scale on the staff

Here is one octave of the C major scale going up, written with the key signature. C major uses only the natural notes, the white keys of the piano.

CDEFGABC
C major scale, up and back down.
CDEFGABC
On the bass staff, two octaves lower.

C major scale on the piano

CDEFGABC
The keys of the C major scale. The pattern of whole (W) and half (H) steps is W W H W W W H.

Scale degrees

DegreeNoteNameSolfege
1Ctonicdo
2Dsupertonicre
3Emediantmi
4Fsubdominantfa
5Gdominantsol
6Asubmediantla
7Bleading toneti

C major key signature

The key signature sits right after the clef at the start of every line. C major has no sharps or flats.

Treble clef
Bass clef

Chords in the key of C major

Build a chord on each note of the scale using only notes from the scale and you get the chords of the key. The Roman numeral says which scale degree the chord sits on; capitals are major chords, lowercase are minor, and ° means diminished.

IiiiiiIVVvivii°
The seven chords of C major: C, Dm, Em, F, G, Am, Bdim.
NumeralChordNotesSeventh chord
ICC E GCmaj7 (Imaj7)
iiDmD F ADm7 (ii7)
iiiEmE G BEm7 (iii7)
IVFF A CFmaj7 (IVmaj7)
VGG B DG7 (V7)
viAmA C EAm7 (vi7)
vii°BdimB D FBm7♭5 (viiø7)

About the key of C major

C major has no sharps or flats, so it uses only the white keys of the piano. That makes it the key most beginners meet first and the easiest one to read. Many first piano pieces, nursery tunes and classroom songs are in C. Singers often move such tunes up or down to suit their range, but C is the standard way to learn how a major scale is built.

Well-known music in C major:

Check yourself

1. How many sharps are in the key of C major?

2. What is the 5th note (the dominant) of C major?

3. What is the relative minor of C major?

All major scales

See also: the circle of fifths, key signatures, all major scales explained.