How to Measure

Please note: GU USA tags show the Body Size measurement, not Product Size. 

- Product sizes are based on individual measurements of the products.
- Fit may vary by 0.5 to 1.15 inches (0.5 to 1.18 inches for belt) depending on the product and fabric used.

- For specific measurements, please refer to the Check My Size button.

Place the garment on a flat surface and smooth out all wrinkles before measuring.
Actual dimensions may differ due to wrinkles or misalignment of measurement positions.

｜Table of Contents

How to Measure
How to Measure Clothing
Updates to Body Measurement Display for WOMEN'S and MEN'S Bottoms

How to Measure

• BODY MEASUREMENTS (Men)

  

  A. Head Size

  The circumference of the head above the ears and eyebrows

  B. Neck Size

  Measure a shirt you have by flattening the collar and measuring from the center of the top button to the furthest edge of the button hole.

  C. Shoulder Width

  The length from the end of one shoulder to the other.

  D. Chest

  Starting below your armpit, measure across your chest.

  E. Waist

  Measure across the waist starting at the point halfway between the bottom of the ribs and the top of the hips. Depending on the product, it may be designed to be worn lower on the waist.

  

  F. Sleeve Length (Center Back)

  The length starting from the center of the collarbone, down the arm to the wrist.

  G.Stature

  The center of the back of the neck (where the bone sticks out), down the spine to the waistline.

  H.Inseam

  Measure the inseam of a pair of pants you have by starting from the stitches at the crotch down to the cuff along the inside stitches of the pants.

• BODY MEASUREMENTS (Women)

  

  A. Head Size

  The circumference of the head above the ears and eyebrows.

  B. Neck Size

  The circumference of the neck.

  C. Shoulder Width

  The length between the end of one shoulder to the other shoulder.

  D. Chest / Bust

  The length across the chest starting below the armpits.

  E. Waist

  Measure across the waist starting at the point halfway between the bottom of the ribs and the top of the hips. Depending on the product, it may be designed to be worn lower on the waist.

  F. Hip

  While standing, measure the width of the fullest part of the hips.

  

  G. Sleeve Length (Center Back)

  The length starting from the center of the collarbone, down the arm to the wrist.

  H. Stature

  Place the measure along the body from the center of the back of the neck (where the bone sticks out) talong the back to the apex of the curve of the back. from then on, the measure should drop down veritcally to the natural waistline.

  I. Inseam

  Measure from the crotch, down the leg to the desired length of pants.

How to Measure Clothing

• TOPS

  

  A. Shoulder Width

  The length between the broadest part of the shoulders.

  B. Body Width

  The length from armpit to armpit.

  C. Body Length

  The length in the back of the garment in the center to the bottom (hem).

  D. Body Length (off-center)

  Body length is measured from the highest point of the back shoulder to the hem. For knit products, body length is measured from the highest point of the front neckline to the hem.

  

  E. Neck Size

  The length of the collar when flattened, from the center of the top button to the edge of the button hole.

  F. Sleeve Length (Center Back)

  The length between the back center of the collar to the edge of the sleeve.

  G. Sleeve Length

  The length between the top of the shoulder to the opening of the sleeve.

  H. Sleeve Width

  The width of the sleeve starting slightly below the armpit.

  

  I. Front Neck Depth

  Measure the shoulder/neckline under the ears to the bottom of the collar.

  

  J. Collar Stand

  The height from the neckline.

• BOTTOMS

  

  A. Waist measurement

  The narrowest part of the waist.

  

  B. Garment waist measurement

  The actual measurement of the waist of the garment. Measure the width of the front of the garment.

  C. Hip

  Measure the fullest part of the hip on the front of the garment.

  D. Inseam (length)

  The length between the crotch and the hem.

  E. Rising length

  The length between the top of the waistband and the crotch.

  F. Thigh

  From the crotch, measure across the leg at the widest point.

  G. Bottom width

  The width of the opening at the bottom of the leg.

  H. Skirt length

  The length from the top of the garment to the hem of the garment.

  I. Inseam

  Measure from the crotch, down the leg to the desired length of pants.

• BRA

  

  A. Top Bust

  Measure the area around the fullest part of the chest.

  B. Underbust

  Measure just below the bust and around the ribcage.

  C. Point

  Make sure the measuring tape is horizontal while keeping the arms down and maintaining good posture.

• SHOES

  

  A. Insole length

  B. Ball girth

  Measure the circumference of the foot starting below the toes.

  C. Heel height (top)

  Height of the back part of the shoe.

  D. Heel (below the shoe)

  The height of the actual heel of the shoe.

  

  E. Platform height

  The height from the sole to the bottom of the shoe.

  F. Heel

  Measure the top to the bottom of the heel.

  

  G. Footwear opening (inner measurement)

  The length of the inner circumference at the top of the cylinder.

  H. Calf size

  The widest part of the calf.

  I. Ankle circumference (inner measurement)

  The length of the narrowest part above the ankle bone when standing.

  J. Foot width

  K. Boot height

  The widest part of the calf.

  L. Heel

  Measure the top to the bottom of the heel.

• ACCESSORIES

  

  A. Total length

   

  B. Width (including thumb)

  C. Width (not including thumb)

  

  D. Head circumference

  The circumference of the largest part of the head starting above the ears.

  E. Height

  The height from the headband to the top of the head.

  

  F. Total Length

  The total length from the buckle to the end of the belt.

  G. Panel Width

  Thickness of belt width.

  H. Length from the buckle to the nearest hole

  Length to the first best hole.

  I. Length from the buckle to the furthest hole

  Length from the buckle to the furthest hole.

  J. Hole Pitch

  Length to the next hole.

Updates to Body Measurement Display for WOMEN'S and MEN'S Bottoms

To help customers choose the right size more easily, we have updated how body measurements are displayed.
Product measurements will not change.

• For some continuously sold products, the measurement information on the product tag may differ from the information shown on the online store, depending on the production timing.

• WOMEN

  We have changed the way body measurements are displayed.

  The body measurement range and product measurements will not change.
  Products that already display a measurement range will not be affected.

  Size	Body Waist Measurement
  	Previous inch	Updated inch
  XS	24	23-25
  S	26	25-27
  M	28	27-29
  L	30	29-31
  XL	33	31-33

   

• MEN

  We have standardized body measurement displays and changed jeans sizing from inch sizes to S/M/L sizing.

  ｜Before Update

  Size	Body Waist Measurement
  	Zipper Style (inch)	Elastic Waist Style (inch)
  XS	28	25-28
  S	30	27-30
  M	32	30-33
  L	34	33-36
  XL	36	36-39
  XXL	39	39-42
  3XL	42	42-45

  ｜After Update

  Size	Body Waist Measurement
  	inch
  XS	27-29
  S	29-31
  M	31-33
  L	33-35
  XL	35-37
  XXL	37-40
  3XL	40-43

   

  Frequently Asked Questions

  • Why does the size shown on the tag differ, even though I purchased the same product?

    Starting with Fall/Winter 2026 products, we updated how body measurements are displayed for WOMEN'S and MEN'S bottoms. As a result, the body measurement information may differ even for the same product. Please rest assured that there are no changes to the finished product measurements.

    *Product size measurements, which refer to the finished product measurements, vary by design. When choosing your size, please also refer to the finished product measurements along with the body measurements.