With the student’s left arm fully extended and palm up, use a measuring tape and measure from the chin touching the neck to the center of the palm.

Up to 17.25 inches is a 1/4 size violin/viola

Up to 19.25 inches is a 1/2 size violin/viola

Up to 21 inches is a 3/4 size violin/viola

Up to 22 inches is a 4/4 size violin/viola

Your student's height can be used to determine the proper cello size.

4 feet - 4 feet 6 inches is a 1/2 size cello

4 feet 6 inches - 5 feet is a 3/4 size cello

5 feet and up is a 4/4 size cello

Your student will start on a 1/4-size bass.