Cello Sizing Chart
VERY General Sizing Guidelines for Youngsters by Age
Age 2 and younger will usually use a 1/16-size cello
Age 2-5 probably will fit into a 1/10-size cello
Age 5-7 generally use a 1/8-size cello
Age 7-9 likely will use a 1/4-size cello
Age 9-11 can almost always fit into a 1/2-size cello
Age 11-13 usually use a 3/4-size cello, but likely not for long.
Age 13 and older most likely can use a 4/4 size cello.