musmath
chords
scales
tunings
scale finder
chord finder
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
A
C#
E
G
B
D#
intervals:
1P
3M
5P
7m
9M
11A
semitones:
4
3
3
4
4
-6
other names:
A9#11, A9+11, Adom9#11
Related
Chords
Chords
with less notes
Amaj
A5
Asus2
AMadd9
A7
A9
A7b5
A7#11
AMb5
A9b5
A7no5
A9no5
Chords
with more notes
A13#11
A9#11b13