Every scale and chord, every instrument, one screen.

Piano Chord Finder

Tap the keys you're holding on the keyboard and ScaleSpace names the chord. The lowest key is the bass, which decides the inversion: C, E and G is C major, and E, G and C is C major in first inversion, written C/E. Free, no sign-up, no ads.

Inversions

An inversion is the same chord with a note other than the root at the bottom. With the 3rd lowest it is the first inversion, with the 5th lowest the second, and with the 7th of a seventh chord lowest the third. The finder names the inversion and writes it as a slash chord.

Same notes, different names

A, C, E and G are A minor seventh when A is lowest, and C major sixth over A when you read C as the root. The finder lists both with the reason for each, likeliest first, so you can choose the one that fits the music.

Questions

What chord is E G C?

E, G and C, with E lowest, make C/E (C major over E). E is the 3rd of C, so this is C major in first inversion.

What chord is F A C E?

F, A, C and E, with F lowest, make Fmaj7 (F major seventh). F, A, C and E are the root, 3rd, 5th and 7th of Fmaj7.

What is a chord inversion on piano?

The same chord with a note other than the root at the bottom. C major is C, E and G. With E at the bottom it is the first inversion, C/E. With G at the bottom it is the second inversion, C/G.