Women’s clothing sizes are one garment wearing a dozen different labels. A dress that fits a 91-centimetre (36-inch) bust is a US 8, a UK 12, an EU 38, a French 40, an Italian 44, a Russian 44, a Japanese 11, a Korean 66, a Chinese 170/92A and an M — all at the same time. This converter turns any one of them into all t…
M International (XXS–4XL) = 38 EU (numeric) · bust ≈ 92 cm (36.2 in)
LETTER SIZE
REGIONAL SIZES
BUST MEASUREMENT
Type your size and choose the system it came from — a letter (M), a US number (8), an EU number (38), a Japanese 11, a Korean 66 or a Chinese 165/88A all work.
Read the answer in the black box, or scroll the ‘in every system’ grid to see all 14 at once — tap any row to make it the target.
Check the bust shown beneath (a US 8 ≈ 91 cm / 35.8 in) — that is the measurement everything converts through. Tap ⇄ to reverse the direction.
Filter by Letter Size, Regional Sizes or Bust Measurement, or search a system by name; then Share or Embed your conversion.
US 8
EU 38
M
US 8
UK 12
US 8
US 6
IT 42
EU 38
UK 12
S
Bust 87 cm
JP 11
US 8
L
EU 42
US 4
FR 36
Bust 91 cm
M
Women’s sizing works differently from men’s, and it catches people out. A men’s 40 is literally a 40‑inch chest, so the maths is exact. A women’s US 8 is not “8” of anything — it is just the eighth step on an arbitrary ladder, and every country numbers that same ladder differently. Line them up against the bust and the pattern appears: the UK adds four to the US number, Germany and the wider EU add thirty, France adds thirty‑two, and Italy and Russia add thirty‑six — so one garment that fits a 91‑cm (36‑inch) bust is a US 8, a UK 12, a EU 38, a French 40, an Italian 44 and a Japanese 11, all at once. Letters sit on top of that ladder, each one covering two US sizes: S is a US 4–6, M a US 8–10, L a US 12–14. Korea’s 44–99 run works the same way, and China codes the garment as height/bust — 165/88A means a 165‑cm frame with an 88‑cm bust. Because the steps are bands rather than points, converting always snaps to the nearest standard size, and no chart can beat the brand’s own: women’s sizing carries decades of vanity sizing, so the same body can be a 6 in one shop and a 10 in the next. Measure your bust at its fullest point with the tape level and snug, treat the number as a starting point, and size up if you are between sizes or prefer room.
A US 8 is an EU 38. The same garment is also a UK 12, a French 40, an Italian 44, a Japanese 11 and an M — all describing roughly a 91 cm (36 in) bust.
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Last updated: — · 14 women’s clothing systems · Bust-based conversions (UK = US + 4; EU/DE = US + 30; FR = US + 32; IT/RU = US + 36; JP = US + 3); sizes snap to the nearest standard size and letter sizes are approximate · Verified by the EagleCalculator team · Eagle-eyed accuracy for every calculation.