Suggested measurements for vestments (in inches) see diagram below.

Chasubles
Stoles
Albs
Surplice
Habits
Scapulars
Capuche
1. height
height
height
height
height
height
height
2. neck
neck
neck
neck
neck
neck
3. sleeve*
sleeve*
sleeve*
sleeve*
4. chest
chest
chest
chest
chest
chest
5. waist
waist
waist
waist
waist
waist
6. center back/hem**
center back/hem**
center back/hem
center back/hem**
7. center back to waist +
8. center back to elbow++
* sleeve measurement is obtained by measuring from the base of the neck (on the spine) over the shoulder, down the outside of the arm to where you wish your sleeve to end (usually a little past the wrist bone)
** this measurement is obtained by measuring from the base of the neck (on the spine) straight down the back to where you wish your hem to end (usually a 3"-4" from the floor for albs; cassocks vary; slightly less for habits; scapulars usually a few inches shorter than habits.
+ this measurement is obtained by measuring from the base of the neck (on the spine) straight down the back to the waist
++ this measurement is obtained by measuring from the base of the neck (on the spine) over shoulder down to the inside bend of the elbow - FOR CIRCULAR CAPUCHE ONLY