Convert notes into chords

Choose piano keys:

Instructions:
This is a reversed chord finder. You can use it if you wonder what specific chord a group of notes are forming. Remember that there are enharmonic chords, which means chords that consist of the same notes. If you think a chord is missing, you can send an email to info@pianochord.org.

Find the name of a chord by selecting three or more keys with different tones and clicking the "Show Chord" button.

Deselect a chosen key by clicking on it again.

Deselect all selected keys by clicking the "Clear" button.

Toggle between sharp (#) or flat (b) symbols by clicking the "# / b" button.

When more than one chord is displayed, the most relevant is first in order.

The numbers that are written together with the note names (C1, C2, and so on indicates the octave position in this particular digital piano keyboard. The chords are not affected by the octave, but the numbering is displayed to clarify the note order within a chord.

When with duplications occur (e.g. C1 and C2 together), no chord name is displayed.

Chord symbols ›

Explanations of abbreviations and signs

Abbreviations and signs used in chord names.

C, D, E, F, G, A, B - root notes
# - sharp
b - flat
[only capital letter] - major
m - minor
7 - dominant seventh
m7 - minor seventh
maj7 - major seventh
mM7 - minor major seventh
6 - major sixth
m6 - minor sixth
6/9 - sixth added ninth
m6/9 - minor sixth added ninth
9 - dominant ninth
m9 - minor ninth
maj9 - major ninth
11 - eleventh
m11 - minor eleventh
13 - thirteenth
m13 - minor thirteenth
maj13 - major thirteenth
add - add
7-5 - seven minus five
7+5 - seven plus five
7-9 - seven minus nine
7+9 - seven plus nine
7+11 - seven plus eleventh
13+11 - thirteenth plus eleventh
sus - suspended
add - added
dim - diminished
dim7 - diminished seventh
m7b5 - minor seventh flat five
aug - augmented
aug7 - augmented seventh
no3 - the third interval is omitted
no5 - the fifth interval is omitted