How To Determine The Correct Size For Violins, Violas, and Cellos

violin and viola sizing

String instrument sizing can be approximated using the chart below. Using a yardstick or tape-measure, have the child stretch their left arm straight out to the side with their palm flat and pointing up. Measure from their neck to the middle of their palm. Consult the sizing chart below to see what size violin or viola best corresponds to their arm measurement. If the child is an in-between size, it is usually best to choose the smaller size.


Violin Sizing Chart

Approximate Age Range Arm Measurement Violin Size
10-Adult 23 7/8" 4/4 size violin
9-12 22 1/4" 3/4 size violin
6-10 20 3/8" 1/2 size violin
5-7 18 1/2" 1/4 size violin
3-6 16 7/8" 1/8 size violin
4-6 15 3/8" 1/10 size violin
3-5 14" 1/16 size violin

Viola Sizing Chart

Approximate Age Range Arm Measurement Viola Size
14 - Adult Over 26" 16-16.5" Viola
14 - Adult 25"-25.5" 15.5" Viola
12- 13 years
24.5" - 25"
15" Viola
9 - 12 years
23" - 24.5"
14" Viola
7 - 9 years 21.5" - 22"
13" Viola
6 - 7 years 20" - 21.5"
12" Viola
6 years and younger
Less than 20"
11" Viola

Cello Sizing Chart

Approximate Age Range Height Cello Size
5 - 7 years
3'6" - 4'
1/4 Size Cello
7 - 11 years
4' - 4'6"
1/2Size Cello
9 - 15 years
4'6" - 5' 3/4Size Cello
15+ years
5' and up 4/4 Size Cello
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