A1) Around Neck
Lightly wrap around the neck.
A2) Collar Bone to Under Crotch
Locate where your collar bone meets your sternum, you should feel a little divot, this is where you want to start the measuring tape. Now run it down between your legs, stopping halfway between your legs.
A3) Vertical Trunk
For ease you can start by having one end of the measuring tape held in place, then wrap the tape around your body by going between the legs and up over the shoulder, keeping it as close to your neck.
If you do not have a long enough measuring tape you can use a piece of string or yarn and hold it in place at the starting point, wrap the measuring tape around and then mark off or cut where the string meets the end. Then measure that length of string and add to the length of your measuring tape.
A4) Back Neck to Tailbone
Find the middle just below your neck by following horizontally on the top of your shoulders. Then measure down the middle of your back to your lower lumbar (or belt-line). Basically this is where your tail will be placed on the suit.
A5) Around Bust (Center of Nipples)
Measure around horizontally, over your nipples.
A6) Around Abdomen (Stomach)
Measure around horizontally to your stomach.
A7) Around Hips (Butt)
Measure horizontally around your butt.
A8) Height
Does not have to be exact, just verifies with your other measurements.
A9) Weight
Used to calculate how much material will be needed.