Record the number at the side line opposite of where you started. I usually put the numbers going up across the back.

Measuring Guide Tops 3sixteen
What is across back measurement. If you wear a bra leave that on. 1 22 sleeve length cbn. Soft dressmakers tape is your friend in this endeavor. 1 10 across back 8 below hps measure 8 down from hps across back from armhole seam to armhole seam. The lower hip spec is given through the 3 point method using three points of measure marked at a certain distance below the top waist at the sides and cf. Usually measured by aligning the front and back waistbands and measuring straight across the top of the waistband from edge to edge.
Next wrap a fabric tape measure around your chest positioning it horizontally so it falls just under your armpits. This is the back waist. Saree or sari is the traditional wear in south asia especially in india. This measurement can be substituted for your back or standard shoulder width measurement. 8 back neck width edge to edge seam to seam or inside binding whichever is specified on the measurement chart. The sari is the most elegant and beautiful wear.
9 front neck drop from imaginary line to top edge of front neck. Include rib trimband if applicable. To easily get a front and back bust measurement start with the tape held at the side of the body. Waist length 14 of height in inches 12 inch. Go through all the normal motions to take the bust measurement with some accommodation for the fact that theres a hand between the measurees arm and her ribs. Since this measurement is not quite as accurate as one measured across your actual shoulders you should only use this option if you are unable to use the traditional method of measurement.
Once youve got the measurement note it down. Clothes that fit properly are their own reward dont you think so. 7 across back from specified point below hpssnp measure straight across edge to edge of armhole. 1 13 back length cb measure at cb from neck seam to the bottom edge of the garment. 10 back neck drop from imaginary line to top edge of back neck. Image from our how to spec a garment ebook lower hip.
Shoulder measure for men 12 of chest round. Across back measure 16 of chest round 1 sleeve length full 38 height in inches. I have learned that it is well worth the trouble taking all these measurements. It can be worn for different occasions in different ways to give you a different look each time. Measure the waist starting at the side line going around the back and across the front until the tape meets. Bring it around your back so that the ends come together in front across the widest part of your chest then read the measurement in a mirror.
It has different ways of wearing style that depends upon the state region and community. Once youve noted down your underbust measurement its time to measure your bust measurement. Subtract the back waist from the full waist measurement. This is the front waist. It can be helpful to look in the mirror to make sure the tape isnt riding up or down across your back. Do not use it to substitute for your front shoulder width measurement though.
To measure chest size start by removing your shirt. 1 8 across shoulder measure at highest point of armhole straight across from seam to seam.