TrueToSize

Convert / Women's clothing

Gap to Sandro clothing size

The short answer

Gap 8 is Sandro 40 or 38 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 Gap size read across to Sandro. US sizes on the left, FR on the right.
GapGap builds it forSandro, by chartSame labelSandro builds it forSandro also prints
000bust 30.3 in, waist 24 in, hip 33.3 innot madenot publishednot publishednot published
000bust 30.3 in, waist 24 in, hip 33.3 innot madenot publishednot publishednot published
000bust 30.3 in, waist 24 in, hip 33.3 innot madenot publishednot publishednot published
2bust 33.3 in, waist 26.5 in, hip 36.3 in36 or 34not publishedbust 34 in, waist 27 in, hip 36 inUS 4 · Letter S · UK 8 · DE 34 · IT 40
4bust 34.3 in, waist 27.5 in, hip 37.3 in36not publishedbust 34 in, waist 27 in, hip 36 inUS 4 · Letter S · UK 8 · DE 34 · IT 40
6bust 35.3 in, waist 28.5 in, hip 38.3 in38not publishedbust 35 in, waist 28 in, hip 38 inUS 6 · Letter M · UK 10 · DE 36 · IT 42
8bust 36.3 in, waist 29.5 in, hip 39.3 in40 or 38not publishedbust 37 in, waist 30 in, hip 39 inUS 8 · Letter L · UK 12 · DE 38 · IT 44
10bust 37.3 in, waist 30.5 in, hip 40.3 in40not publishedbust 37 in, waist 30 in, hip 39 inUS 8 · Letter L · UK 12 · DE 38 · IT 44
12bust 38.8 in, waist 32 in, hip 41.8 in42not publishedbust 39 in, waist 31 in, hip 41 inUS 10 · Letter XL · UK 14 · DE 40 · IT 46
14bust 40.3 in, waist 33.5 in, hip 43.3 innot madenot publishednot publishednot published
16bust 42 in, waist 35.5 in, hip 45.3 innot madenot publishednot publishednot published
18bust 43.8 in, waist 37.5 in, hip 47.3 innot madenot publishednot publishednot published
20bust 45.8 in, waist 39.5 in, hip 49.3 innot madenot publishednot publishednot published
22bust 47.8 in, waist 41.5 in, hip 51.3 innot madenot publishednot publishednot published
Tinted rows change label or sit between two sizes. 8 sizes have no counterpart on the Sandro 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

Sandro to Gap