C Major Chord on Piano: Notes, Fingering & Inversions

Root position: either hand, fingers low note to high
Hand	Notes	Fingers
Right	C, E, G	1-3-5
Left	C, E, G	5-3-1

Scale degree, note, and interval measured from the root.
Degree	Note	Interval from root	Semitones
1	C	Perfect unison	0
3	E	Major third	4
5	G	Perfect fifth	7

Construction

C Major = Root + Major 3rd + Perfect 5th = C, E, G

Note	Interval	Degree
C	Root	1
E	Major 3rd	3
G	Perfect 5th	5

Fingering

Note	Key color	Right hand	Left hand
C	white	thumb (1)	little finger (5)
E	white	middle finger (3)	middle finger (3)
G	white	little finger (5)	thumb (1)

Right hand: thumb (1) on C, middle finger (3) on E, little finger (5) on G.

Left hand: little finger (5) on C, middle finger (3) on E, thumb (1) on G.

C Major Inversions

Root position
C – E – G
1st inversion (C/E)
E – G – C
2nd inversion (C/G)
G – C – E

Key Signature

A chord has no key signature of its own, but the C Major is the tonic (I) chord of C Major, whose key signature has no sharps or flats.

Chords in the Key of C Major

These are the triads built on each degree of C Major:

I — C Major (major)

Degree	Numeral	Chord	Quality
1	I	C Major	Major
2	ii	D Minor	Minor
3	iii	E Minor	Minor
4	IV	F Major	Major
5	V	G Major	Major
6	vi	A Minor	Minor
7	vii°	B Diminished	Diminished

How C Major functions in a key

The same chord takes on a different harmonic role depending on the key it appears in. Here is where C Major sits diatonically across the common keys:

In C major, C Major is the I chord — the tonic.
In E minor, C Major is the VI chord — the tonic.
In F major, C Major is the V chord — the dominant.
In G major, C Major is the IV chord — a predominant.
In A minor, C Major is the III chord — a mediant / color chord.
In D minor, C Major is the ♭VII chord — a mediant / color chord.

Scales That Include the C Major

C Major (I)
G Major (IV)
F Major (V)
A Minor (III)
E Minor (VI)
D Minor (VII)
D Dorian (VII)
E Phrygian (VI)

C Major : Frequently Asked Questions

What is the C Major chord on piano?

The C Major chord contains the notes C – E – G. On piano, play these notes together to sound the chord.

What notes make up the C Major chord?

C Major contains three notes: C (root), E (major third), and G (perfect fifth). All three are white keys, which is why C Major is typically the first chord pianists learn.

What fingering do I use for C Major?

Right hand: finger 1 on C, finger 3 on E, finger 5 on G. Left hand: finger 5 on C, finger 3 on E, finger 1 on G. The all-white-key layout means no awkward reaches over black keys.

What are the inversions of C Major?

First inversion (C/E): E–G–C, with E in the bass. Second inversion (C/G): G–C–E, with G in the bass. Both use the same three notes, only the bass note changes. Inversions help create smoother voice leading between chords.

What songs use the C Major chord?

C Major is one of the most common chords in Western music. It appears as the home chord in Let It Be (Beatles), Piano Man (Billy Joel), and Imagine (John Lennon), and as a passing chord in thousands of pop, folk, and classical pieces.

What chords pair well with C Major?

The most natural pairings in the key of C are F Major (IV), G Major (V), and A minor (vi). The progression C–F–G–C is a complete I–IV–V–I cadence and appears in countless songs. Am–F–C–G is another extremely common pop sequence.

Why is C Major special on the piano?

C Major uses only white keys: no sharps or flats. This makes it the theoretical starting point for Western music notation and the key from which all other keys and modes are derived. On the keyboard, C is always identifiable as the white key immediately to the left of a group of two black keys.

C Major in detail

Exact

Every pitch class is present and nothing outside the chord is added.

Type	Notes	Semitones	Span	Omissions and additions	Set relation
Close, root position	C3 E3 G3	7	96 mm	none	identical
Close, first inversion	E3 G3 C4	8	110 mm	none	identical
Close, second inversion	G3 C4 E4	9	124 mm	none	identical
Open, fifth on top	C2 G2 E3	16	220 mm	none	identical

Reduced

A subset of the pitch classes: the identity is incomplete rather than altered.

Type	Notes	Semitones	Span	Omissions and additions	Set relation	Fit
Root and third only	C3 E3	4	55 mm	omits G	subset

Spans are measured centre to centre at a 165 mm octave (standard keyboard geometry).

Position	Bass note	Notes in order	Figured bass	Semitones	Span
Root position	C	C3, E3, G3	5/3	7	96 mm
First inversion: C/E	E	E3, G3, C4	6/3	8	110 mm
Second inversion: C/G	G	G3, C4, E4	6/4	9	124 mm

One position per chord tone in the bass. Spans are for close position: voiced inversions appear under Voicings.

Progression	Key	Role	Sequence	Voice leading
ii, V, I	C major	I	Dm to G to C	1 tone held from G
IV, I	C major	I	F to C	1 tone held from F
I, vi, ii, V	C major	I	C to Am to Dm to G	C opens the phrase
♭VII, i	D minor	♭VII	C to Dm	C opens the phrase
♭VI, iv, i, v	E minor	♭VI	C to Am to Em to Bm	C opens the phrase
i, ♭VI	E minor	♭VI	Em to C	2 tones held from Em
V, I	F major	V	C to F	C opens the phrase
ii, V, I	F major	V	Gm to C to F	1 tone held from Gm

Root motion, common tones and voice displacement are computed from pitch class sets. Roman numerals follow common practice functional harmony.

Which keys it belongs to

Key	Roman numeral	Function
C major	I	Tonic, home
D minor	♭VII	Subtonic
E minor	♭VI	Pre-dominant color
F major	V	Dominant, wants to resolve
G major	IV	Subdominant, away from home
A minor	♭III	Relative-major color

Classification system: common-practice functional harmony.

Change one note

Chords a single note away, and what moving that note does.

Chord	Change	Formula	Common tones
Cmaj7	adds B	1 3 5 7	3
C7	adds B♭	1 3 5 ♭7	3
C6	adds A	1 3 5 6	3
Cadd9	adds D	1 3 5 9	3
Cm	E becomes E♭	1 ♭3 5	2
Caug	G becomes G♯	1 3 ♯5	2
Csus2	E becomes D	1 2 5	2
Csus4	E becomes F	1 4 5	2
Cm7	E becomes E♭, B♭	1 ♭3 5 ♭7	2
CmMaj7	E becomes E♭, B	1 ♭3 5 7	2
Caug7	G becomes G♯, B♭	1 3 ♯5 ♭7	2
C7sus4	E becomes F, B♭	1 4 5 ♭7	2

Frequencies

Note	MIDI	Frequency
C3	48	130.81 Hz
E3	52	164.81 Hz
G3	55	196.00 Hz

Reference pitch A440, 12-TET, close root position.

Set theory: prime form, Forte number, interval vector

Absolute pitch class set: {0, 4, 7}
Normal order: [0, 4, 7]
Prime form: (037)
Forte number: 3-11
Interval vector: <001110>

Pair	Interval	Semitones	Interval class
C to E	Major third	4	4
C to G	Perfect fifth	7	5
E to G	Minor third	3	3

Where these facts come from

Every value on this page is derived from the note formula for a major applied to the root C, using standard music theory. Nothing here is hand-entered per chord, so the notes, intervals, inversions and frequencies cannot drift out of agreement with each other. Pitches assume 12-TET at A440.

C Major

Fingerings

C Major: notes and degrees