ChordKeysChord & scale reference

A Minor 7th Chord (Am7) on Piano

The Am7 chord (A minor 7th) is built from 4 notes: A – C – E – G.

ACEG

Play these notes on a MIDI keyboard, your computer keyboard, or the on-screen keys and ChordKeys will name the chord back to you.

Notes and intervals

NoteDegreeInterval from ASemitones
A1root0
Cb3minor 3rd3
E5perfect 5th7
Gb7minor 7th10

Inversions

Rearranging which note sits at the bottom gives you 4 playable voicings of the same chord. Inversions let you move between chords with less hand movement.

VoicingNotesBass note
Root positionA – C – E – GA in the bass
1st inversionC – E – G – AC in the bass
2nd inversionE – G – A – CE in the bass
3rd inversionG – A – C – EG in the bass

How the minor 7th chord is built

Every minor 7th chord uses the same interval formula: 1 (0 semitones), b3 (3 semitones), 5 (7 semitones), b7 (10 semitones). Starting on A and applying that formula produces A, C, E, G. Learn the formula once and you can build a minor 7th chord on any of the twelve roots.

Keys that contain Am7

Every note of Am7 belongs to these keys, so it will sit naturally in a progression written in any of them.

Other chords on A

Minor 7th chords on other roots

Frequently asked questions

What notes are in a Am7 chord?

A Am7 chord contains the notes A, C, E, G. Those are the 1, b3, 5, b7 degrees measured from the root note A.

How do you play Am7 on piano?

Place your thumb on A, then add C and E and G above it. With a right hand in root position the common fingering is 1–2–3–5.