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Back to School Sale | through September 30 | Strings, Sheet Music, Books, Cases & More!
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  3. How To Size For An Instrument

How To Size For An Instrument

The best way to size your child is to bring them into our shop and have someone on staff size them or to have your teacher size them. When this isn't possible, there are a few options.

The charts below show approximate arm lengths for violin and viola, and approximate heights for cello and bass.

Violin Sizing

Arm Length Is At Least Violin Size
17" 1/16
19" 1/10
20" 1/8
22" 1/4
23.5" 1/2
25" 3/4
27" 4/4
*This chart shows approximate arm lengths.

Viola Sizing

Arm Length Is At Least Viola Size
17" 1/16
19" 1/10
20" 1/8
22" 11"
23.5" 12"
25" 13"
27" 14"
*This chart shows approximate arm lengths.

Cello Sizing

Height Range Cello Size
48" to 50" 1/8
51" to 54" 1/4
55" to 58" 1/2
59" to 62" 3/4
63" and up 4/4
*Please Note: All sizes are for German instruments.

Bass Sizing

Height Range Bass Size
48" to 50" 1/10
51" to 54" 1/8
55" to 58" 1/4
59" to 62" 1/2
63" and up 3/4
*Please Note: We do not carry basses larger than 3/4 size.
Additional Resources
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Carriage House Violins

Located in Newton, Massachusetts, Carriage House Violins is the instrument sales division of Johnson String Instrument.

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JSI
Resources

Whether searching for a job, learning about the "Mozart Effect," looking for a summer music camp, or choosing the right instrument string, you need look no further.

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Johnson String Project

A charitable foundation whose goal is to provide high-quality instruments to children who live in underserved communities and who are participating in El-Sistema-inspired programs in Massachusetts.

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The
JSI Blog

Information and helpful articles about the music and instruments we love.

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JSI
media

Helpful "how to" videos and useful information about JSI and the products and services we offer.

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Check out the CelloBello Lesson & Discussion videos where we explore proper posture and Tchaikovsky!
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