Standardized Size Chart 

Standardized size chart. Tween in style Standardized Body Measurements for ages 8 through 14 years old. Buy safer online.

  • Measurements are important when you buy online.
  • We have joined most of the brands that specialize in Tween Girls Clothing
  • Set a standardized measurement according to body type.
  • When altering from the Tween in Style standardized measurements we will point this out in the product description.


Try to measure as correctly as you can from the guide below:

How to measure your child:

Height/length: Measure from the top of the head to the ground without shoes.

Chest: With your child’s arms out, measure around the fullest part of the chest/around the shoulder blades.

Waist: Measure around your natural waistline, keeping the tape comfortably loose.

Hip: Stand with your heels together, and measure around the fullest part of your hips.

Arm Length: Measure from the shoulder edge to the wrist bone with the elbow slightly bent.

Inside Leg Length: measure from the crotch line to the bottom of the floor.


Standardized Size Chart for Tween Girls.

Size Years Height Weight Chest Waist Hips Arm length In seam
S 7 years 45-46″ 49-55 lbs 25″ 23.5″ 27″ 17.5″ 22″
8 years 47-48″ 56-62 lbs 27″ 24″ 28″ 18.5″ 23″
M 10 years 51-56″ 69-75 lbs 28.5″ 25″ 30″ 20.5″ 25.5″
L 12 years 57-60″ 85-95 lbs 30″ 26″ 32″ 22″ 27.5″
XL 14 years 59-63″ 99-115 lbs 31.5″ 27″ 34″ 22.5″ 29.5″