For violin and viola sizing:
Stretch the student's left arm outward from the body with the palm facing upward. Measure the distance from the base of the neck to the middle of the palm.
If your student falls between two sizes, we suggest selecting the smaller one.
Violin Sizing
1/10Age 3–5Arm Length 15"–16"
1/8Age 3–5Arm Length 16"–18"
1/4Age 4–7Arm Length 18"–20"
1/2Age 6–7Arm Length 20"–22"
3/4Age 9–11Arm Length 22"–23"
4/4Age 12+Arm Length 23"+
Viola Sizing
11"Age 5–7Arm Length 15"–18"
12"Age 7–9Arm Length 18"–20"
13"Age 8–10Arm Length 20"–22"
14"Age 9–12Arm Length 22"–23"
15"Age 11–13Arm Length 23"–25"
15.5"Age 12–14Arm Length 26"–27"
Cello Sizing
1/10Age 3–4Height 3'
1/8Age 4–6Height 3'–3'6"
1/4Age 5–7Height 3'6"–4'
1/2Age 7–11Height 4'–4'6"
3/4Age 9–15Height 4'6"–5'
4/4Age 15+Height 5'+
Bass Sizing
1/4Age 9–12Height 4'6"–5'
1/2Age 11–14Height 4'10"–5'4"
3/4Age 15+Height 5'3"+
