oh my measure
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GU size chart

GU has a size chart of its own, and here it is in full: bust, waist and hip measurements in centimeters for every size, on the INT scale. Under each table you will find where it was taken from and when it was checked.

brand chart Japan Fast Retailing group

GU size chart in centimeters

The ranges are given as printed in the source. The row that two of your three measurements land in is your size; what to do when they disagree is below.

GU, women's size chart, INT scale
SizeBust, cmWaist, cmHips, cm
XS 78–8258–6384–89
S 82–8763–6889–94
M 87–9268–7394–99
L 92–9773–7899–104
XL 97–10378–84104–110
Each row as one sentence
  • GU women's INT size XS is bust 78–82 cm, waist 58–63 cm, and hips 84–89 cm.
  • GU women's INT size S is bust 82–87 cm, waist 63–68 cm, and hips 89–94 cm.
  • GU women's INT size M is bust 87–92 cm, waist 68–73 cm, and hips 94–99 cm.
  • GU women's INT size L is bust 92–97 cm, waist 73–78 cm, and hips 99–104 cm.
  • GU women's INT size XL is bust 97–103 cm, waist 78–84 cm, and hips 104–110 cm.

Where this chart comes from

The “Bust, Waist, Hip” table — GU. The ranges are printed in the source as they stand.

Basis
brand chart · This chart was taken from the brand’s own site.
Confidence
medium · One source — or the rows were derived from a stated rule rather than read cell by cell.
Checked
Sources

The brand’s official size chart

What to do when your measurements land in different rows

That is normal, not a bad measurement: the chart is built on a standard figure, and a real body does not always match its proportions. For bottoms, take the larger of the two sizes and have it taken in — a waist is easier to take in than hips are to let out. For tops, the bust measurement leads.

How to measure your bust, waist and hips

The tape stays horizontal and lies flat without digging in. Measure the bust at its fullest point, the waist at its narrowest — not at the waistband of your jeans — and the hips at their widest. Breathe normally: a held-in stomach gives a size that does not work out in the fitting room.

To have your own numbers read against every scale at once, open the app. No account needed. How the scales themselves work is explained on the Clothing sizes page.

Other Fast Retailing brands

One owner does not mean one chart: brands in the same group cut to different patterns and print different charts, and a size that fits in one does not carry over to another unchecked.

Similar brands

The brands here are grouped by what connects them to this one: some print close numbers — those say how much wider or narrower the same size runs — some use the same label scales, and some are from the same country. A matching chart does not promise the same fit: cut differs from brand to brand, and that is a separate question for the fitting room.

Publish similar numbers

Same label scales

Also from Japan