Rise measurements are taken from the top of the waistband.  Thigh measurements are taken 1" below crotch and include the gusset.

WAIST SIZE (US) HIP THIGH LEG OPENING FRONT RISE
30" 38 1/2" 22 3/4" 15 1/4" 9 7/8"
32" 40 1/2" 24" 16" 10 1/4"
34" 42 1/2" 25 1/4" 16 3/4" 10 5/8"
36" 44 1/2" 26 1/5" 17 1/2" 11"
38" 46 1/2" 27 3/4"

18.25"

11 3/8"