White belts: Size 00 - 1 Size 2 - 4 Size 3 - 1 Size 4 - 2 Size 5 - 3 Yellow / white: Size 1 - 1 Orange / Yellow: Size 3 - 4 Orange belts: Size 1 - 2 Size 2 - 4 Size 3 - 3 Size 4 - 1 Size 5 - 5 Green belts: Size 2 - 3 Size 5 - 1 Blue belts: Size 4 - 1