We recommend knowing first
The problem it solves
Knowing how to invert chords lets you achieve more melodic bass lines, smoother transitions between chords (voice leading) and different colours from the same chord.
Detailed theory
Key idea
An inversion changes the bass note, but NOT the notes of the chord: the identity (C major) is preserved.
There are three positions: root position (root in the bass), first inversion (third in the bass) and second inversion (fifth in the bass).
Understand it
A chord is the same set of notes however you play it. What an inversion changes is which of those notes sits at the very bottom, in the bass. C major (C-E-G) is still C major even if you put the E or the G as the lowest note.
In root position, the root is in the bass: C-E-G. It is the most stable arrangement and the one that sounds most solid.
In first inversion, the third moves to the bass: E-G-C. In second inversion, the fifth goes to the bass: G-C-E. Each inversion has its own colour and stability, even though the notes are identical.
In American chord symbols, inversions are written as a slash chord: C/E means C major with E in the bass, that is, C major in first inversion. In classical figured bass they are noted with numbers: 5/3 (root position), 6/3 or simply 6 (first inversion) and 6/4 (second inversion).
An analogy: it is the same three people, but with a different one standing in front. The group does not change; what changes is who shows their face, and with them the overall feel.
Chord progression
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The three positions of C major in a row: the same chord, changing only which note goes in the bass (C, E and G).
How to recognise it
How it's written
Look at which note is in the bass. If it is the root, it is root position; if it is the third, first inversion; if it is the fifth, second inversion. In American chord symbols, read the slash: C/E has E in the bass.
How it feels
The same notes with a different bass change the weight and the stability. Root position sounds firm and closed; the inversions sound lighter or transitional, as if they wanted to move on to another chord.
Common mistake
Thinking that inverting changes the chord: C/E is not a new chord, it is C major with a different bass.
Forgetting that what defines the inversion is ONLY the bass note, not the order of the upper voices.
Try it
Play C-E-G (root position) and then move the C up an octave to get E-G-C (first inversion): they are the same notes with a different bass.
Play the root position, first and second inversion of C major in a row and notice how the weight changes even though the chord is always C major.
On the instrument
Staff & keyboard
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Root position of C major: the root (C) is the bass note. C-E-G from bottom to top.
Staff & keyboard
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First inversion of C major: the third (E) moves to the bass. E-G-C from bottom to top (C/E).
Staff & keyboard
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Second inversion of C major: the fifth (G) moves to the bass. G-C-E from bottom to top (C/G).
Where it's used
- Creating melodic bass lines
- Choosing which note goes in the bass to draw a smooth, singable motion between chords.
- Improving voice leading
- Inverting chords so the notes move the smallest possible distance from one chord to the next.
- Reading slash chords
- Interpreting symbols like C/E or C/G in pop, jazz and guitar scores.
Examples
Staff & keyboard
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First inversion of C major (C/E) sounding: the same notes of C major, but with the E in the bass.
Exercises
Play inverted chords — basic
Play the inverted chord shown, with simple roots (C, G, F).
Complete 5 attempts · 70% accuracy to pass
Play inverted chords — intermediate
Play the inverted chord shown, now with more roots (includes Bb).
Complete 8 attempts · 70% accuracy to pass
Play inverted chords — advanced
Play the inverted chord shown (major, minor or diminished) from any of the 12 roots.
Complete 10 attempts · 70% accuracy to pass
Mini test
Check that you've got it.
0/8 answeredQuestion 1/8
What changes when you invert a chord?