Neck
Measure and leave at lease one finger margin
Shoulder
Measure shoulder to shoulder
Sleeve
Measure from shoulder to end of wrist you want
Chest
Measure the exact round of chest under armpit
Waist
Measure the biggest part of waist
Hip
Measure the biggest part of hip
Shirt or jacket length
Measure from shoulder to end you want Good length for shirt depend on how you want to be tucked in or out.