G Major Scale

Scale steps
W = 2 semitones H = 1 semitone
G2WA2WB1HC2WD2WE2WF1HG
Step Pattern: W–W–H–W–W–W–H (2–2–1–2–2–2–1 semitones)
On the keyboard
CDEGABCDEGABCFF

Diatonic triads

Degree
Build the chord · root–3rd–5th

ROOTTAKESKIP

Chord semitone gaps
Ukulele G-C-E-A
I
GABCD
G major

G · B · D

4 + 3 semitones
GDGB
132
0232
BDGB
4132
4232 · ALT
ii
ABCDE
Am minor

A · C · E

3 + 4 semitones
ACEA
1
2000
ACEC
12
2003 · ALT
iii
BCDEF
Bm minor

B · D · F

3 + 4 semitones
BDFB
4123
4222
xDFB
123
x222 · ALT
IV
CDEFG
C major

C · E · G

4 + 3 semitones
GCEC
1
0003
GEEC
21
0403 · ALT
V
DEFGA
D major

D · F · A

4 + 3 semitones
ADFA
123
2220
xDFA
12
x220 · ALT
vi
EFGAB
Em minor

E · G · B

3 + 4 semitones
GEEB
21
0402
GEGB
321
0432 · ALT
vii°
FGABC
Fdim diminished

F · A · C

3 + 3 semitones
ACFA
12
2020
ACFC
123
2023 · ALT