Violins come in eight major sizes. The size fits the length of the violin's body (not including the neck and scroll). The smallest common size is 1/16 (just 9 inches or 23 cm), and the sizes work up to 1/10, 1/8, 1/4, 1/2, 3/4, 7/8 and finally 4/4 or full size (approximately 14 inches or 36 cm)