1. Choose clean, solid and flat surface, preferably a table.
2. Take the measuring tool.

With a star on the chest:

Measure 2cm under the armpits from one end to the other.

Read cm and multiply by 2 (example results - 56cm x 2 = 112cm between breasts)

Sleeve length:

Measure from the top seam of the shoulder to the end of the sleeve.

Length of the sweater/top:   

Measure from the back seam of the collar to the bottom of the sweater/top.