KeysG major
Key reference · diatonic chords

The Key of G major

The key of G major is built on the G major scale and contains the seven chords G, Am, Bm, C, D, Em, and F#dim. Its key signature has 1 sharp (F#).

Below are those chords by scale degree, the progressions they build, and the related scale and key you can reach from here.

Chords in the key of G major

IGiiAmiiiBmIVCVDviEm
vii°F#dim

Common progressions in G major

I – IV – VGCD
I – V – vi – IVGDEmC
ii – V – IAmDG
I – vi – IV – VGEmCD

The G major scale on the fretboard →

See every note of the scale this key is built from, mapped across the neck.

Explore keys on the Circle of Fifths →

The free interactive circle shows every key signature and the chords that belong to each key.

Other major keys

C majorDb majorD majorEb majorE majorF majorF# majorAb majorA majorBb majorB major

Frequently asked questions

What chords are in the key of G major?
The key of G major contains seven chords, one on each note of the scale: G, Am, Bm, C, D, Em, and F#dim. In Roman numerals those are I, ii, iii, IV, V, vi, vii°.
What is the key signature of G major?
G major has 1 sharp (F#). It shares that key signature with its relative minor, E minor.
What are common chord progressions in G major?
I – IV – V is G – C – D; I – V – vi – IV is G – D – Em – C. The I, IV, and V chords (G, C, D) do most of the work in popular music.
What is the relative minor of G major?
The relative minor of G major is E minor. It uses the same notes and the same key signature, just starting from a different home note.