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Panty Size Chart: Women's Underwear Sizes

Quick answer

Panty size is based mainly on hips: a medium (US 8-10) fits hips of 38-40 in (96-102 cm). Numeric sizes 5, 6, 7 and 8 map to S, M, L and XL. Measure hips at the fullest point.

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Panty sizes

Panty sizes
LetterUS dressNumericHips (in)Hips (cm)
XS0-2434-3686-91
S4-6536-3891-96
M8-10638-4096-102
L12-14740-43102-109
XL16-18843-46109-117
XXL20-22946-49117-124

Frequently asked questions

Do I size by waist or hips?
By hips.
Should I size up between sizes?
Yes for comfort.

Related guides

Sources and further reading