The below chart is body measurement, all based on height 5'7" / 170cm -

SIZE BUST WAIST HIPS
S 8 92 74 94
10 98 80 100
M 12 104 86 106
14 110 92 112
L 16 116 98 118

 

The below chart is garment standard measurement - 

SIZE FULL OUTSIDE SLEEVE LENGTH  FULL LEG INSEAM LENGTH
S 8 60 74
10 60.5 75
M 12 61 76
14 61.5 77
L 16 62 78

 

Lisa wears a size 8-10 or 'S'

Height - 5'6" or 167cm

Bust - 92cm 

Waist - 76cm 

Hip - 95cm 

Leg inseam - 77cm

Arm inseam - 50cm

 

Brittany wears a size 8-10 or 'S'

Height - 5'9" or 175cm

Bust - 90cm

Waist - 80cm

Hips - 98cm 

 

Jess wears a size 10-12 or 'M'

Height - 5'4" or 163cm

Bust - 97cm

Waist - 87cm

Hip - 102cm 

Leg inseam - 77cm

Arm inseam - 44cm