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Convert / Women's clothing

Whistles to Reformation clothing size

The short answer

Whistles 14 is Reformation M or L by the two brands' own charts.

Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.

Every Whistles size read across to Reformation. UK sizes on the left, Letter on the right.
WhistlesWhistles builds it forReformation, by chartSame labelReformation builds it forReformation also prints
04bust 30 in, waist 23.5 in, hip 34.5 innot madenot publishednot publishednot published
06bust 31 in, waist 24.5 in, hip 35.5 innot madenot publishednot publishednot published
08bust 32 in, waist 25.5 in, hip 36.5 inXSnot publishedbust 33 in, waist 25 in, hip 36 inUS 0
10bust 34 in, waist 27.5 in, hip 38.5 inXS or Snot publishedbust 33 in, waist 25 in, hip 36 inUS 0
12bust 36 in, waist 29.5 in, hip 40.5 inS or Mnot publishedbust 35 in, waist 27 in, hip 38 inUS 2/4
14bust 38 in, waist 31.5 in, hip 42.5 inM or Lnot publishedbust 37 in, waist 29 in, hip 40 inUS 6/8
16bust 40 in, waist 33.5 in, hip 44.5 inLnot publishedbust 39.5 in, waist 31.5 in, hip 42.5 inUS 10
18bust 42.5 in, waist 35.5 in, hip 46.5 inXLnot publishedbust 41.5 in, waist 33.5 in, hip 44.5 inUS 12
20bust 45 in, waist 38 in, hip 49 in1Xnot publishedbust 45 in, waist 37.5 in, hip 47.5 inUS 14
Tinted rows change label or sit between two sizes. 2 sizes have no counterpart on the Reformation chart. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.

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Sources

Reformation to Whistles