1. Neck:

Measure around the neck (put 1 finger between neck and tape measure)
5. Upper arm:

Measure around the biggest part of your upper arm (put 1 finger between upper arm and tape measure)
9. Shoulder to chest:

Measure from your shoulder (where your shoulder and neck meet) to chest
13. Shoulder to belly:

Measure from your shoulder to belly
17. Pants length:

Measure from the top of the pants waist to your designed pants length. This measure goes down the side of your leg
21. Knee:

Measure around the biggest part of your knee
2. Shoulder:

Measure from shoulder bone to other shoulder bone
6. Elbow:

Measure around the biggest part of your elbow (put 1 finger between elbow and tape measure)
10. Waist:

Measure around the biggest part of your waist (put 1 finger between waist and tape measure)
14. Jacket length:

Measure from your shoulder over your chest to your desired length
18. Crotch:

Measure from the top of the front of the pants waist around crotch up to the top of the back pants waist
22. Pants waist to the knee:

Measure from the top of pants waist to the knee
3. Arm length:

Measure from the end of shoulder bone to the desired length that you want
7. Wrist:

Measure around under your wrist bone
11. Shoulder to waist:

Measure from your shoulder to waist
15. Hip:

Measure around the biggest part of your hip (put 1 finger between hip and tape measure)
19. Thigh:

Measure around the biggest part of your thigh
23. Calf:

Measure around the biggest part of your calf
4. Armpit:

Measure around the armpit (put 1 finger between armpit and tape measure)
8. Chest:

Measure around the biggest part of your chest (put 1 finger between check and tape measure)
12. Belly:

Measure around the biggest part of your belly (put 1 finger between belly and tape measure)
16. Pants waist:

Measure around where you plan to wear your pants
20. Pants waist to the thigh:

Measure from the top of pants waist to the thugh