Key
C
C# / Db
D
D# / Eb
E
F
F# / Gb
G
G# / Ab
A
A# / Bb
B
C
Octave
2
3
4
5
6
4
Scale
major
minor
harmonic minor
melodic minor
ionian
dorian
phrygian
lydian
mixolydian
aeolian
locrian
major
BPM
80
90
100
110
120
130
140
150
160
170
120

Drag and drop pre-built chords into four chords below

I

C major

ii

D minor

iii

E minor

IV

F major

V

G major

vi

A minor

vii

B diminished

Or, unlock for custom chord building with the keyboard

I
C major
Seventh
Yes
N/A
N/A
Inversion
0
1
2
0
Degree
1
2
3
4
5
6
7
1
V
G major
Seventh
Yes
N/A
N/A
Inversion
0
1
2
0
Degree
1
2
3
4
5
6
7
5
vi
A minor
Seventh
Yes
N/A
N/A
Inversion
0
1
2
0
Degree
1
2
3
4
5
6
7
6
IV
F major
Seventh
Yes
N/A
N/A
Inversion
0
1
2
0
Degree
1
2
3
4
5
6
7
4

Quick Guide to using ChordHelper: