Four common sizes:
Ukulele is divided into four levels of soprano, concert, tenor and baritone. The size and structure will affect the sound and volume of Ukulele.
| Types of | size | width | length | Fixed tone |
| soprano(standard) | 21寸 | 33cm | 53cm | g'c'e'a' |
| concert | 23寸 | 38cm | 58cm | g'c'e'a' |
| tenor | 26寸 | 43cm | 66cm | gc'e'a' |
| baritone | 30寸 | 48cm | 76cm | dgbe' |