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Lingerie Size Converter: US, UK & EU

Q: Is lingerie size the same as dress size?

Roughly, but not exactly. Letter sizes map to dress ranges (M is about a US 8-10), yet lingerie is cut closer to the body, so many people wear one letter size up in fitted pieces.

Q: How do I convert US lingerie sizes to UK or EU?

A US M is a UK 12-14 and an EU 40-42. UK sizes run 4 above US dress sizes; EU sizes run about 32 above.

Q: What if my bust and hips give different sizes?

For teddies and bodysuits, order for the larger measurement. For chemises and babydolls, size by the bust; the skirt falls free.

Q: Does this converter work for plus sizes?

Yes — the chart and converter run to 3X. Check whether the brand's 1X starts at a US 18 or a US 14, as that detail varies more than any other.

Short answer: lingerie is sized by letter (XS–3X), not by your bra size and not quite by your dress size either. Enter your bust, waist and hip measurements below and this converter gives you your lingerie size in US, UK and EU terms for teddies, chemises, babydolls and sets. If you land between sizes, go up: lingerie fabrics have far less forgiveness than everyday clothing.

Find your lingerie size

What are you sizing?

Measurements in

Bust (in)

Waist (in)

Hips (in)

How to measure

Bust: around the fullest part, tape level under the arms, wearing your best-fitting unpadded bra. Waist: the natural waistline, the narrowest point above the navel. Hips: around the fullest part of the hips and seat. Snug, not tight — and if you need your bra size itself, our bra size calculator is the right tool; lingerie garments use this page.

Lingerie size chart: US, UK & EU

Lingerie size	Bust (in)	Waist (in)	Hips (in)	US dress	UK	EU
XS	32–33.5	24–25.5	34–36	2–4	6–8	34–36
S	34–35.5	26–27.5	36–38	4–6	8–10	36–38
M	36–37.5	28–29.5	38–40	8–10	12–14	40–42
L	38–40.5	30–32.5	40–43	12–14	16–18	44–46
XL	41–43.5	33–35.5	43–46	16–18	20–22	48–50
1X	44–46	36–38.5	46–48	18–20	22–24	50–52
2X	47–49	39–41.5	49–51	20–22	24–26	52–54
3X	50–52	42–44.5	52–54	22–24	26–28	54–56

Why lingerie sizing trips everyone up

It is garment sizing, not bra sizing. A teddy or chemise is cut from your body measurements, which is why this converter never asks for a cup size. Brands grade differently. US brands tend to cut generous, EU brands slim; the chart above is the blended industry standard, and the size chart on the specific listing always wins. Fabric decides forgiveness. Stretch lace and mesh forgive a size of error; satin and structured pieces forgive none — size up in satin. Between sizes is a decision, not a coin flip: fitted garments (teddies, bodysuits) go up; flowing garments (babydolls, chemises) can go down if your bust allows it.

Frequently asked questions

Is lingerie size the same as dress size?

Roughly, but not exactly. The letter sizes map to dress ranges (M ≈ US 8–10), yet lingerie is cut closer to the body, so many people wear one letter size up from their dress size in fitted pieces.

How do I convert US lingerie sizes to UK or EU?

Use the chart: a US M is a UK 12–14 and an EU 40–42. UK sizes run 4 above US dress sizes; EU sizes run about 32 above.

What if my bust and hips give different sizes?

For teddies and bodysuits, order for the larger measurement — the garment is one piece and cannot compromise. For chemises and babydolls, size by the bust; the skirt falls free.

Does this converter work for plus sizes?

Yes — the chart and converter run to 3X. Plus-size lingerie labelled 1X–3X follows the same letter system; check whether the brand’s 1X starts at a US 18 or a US 14, as that one detail varies more than any other.