TrueToSize

Convert / Jeans

Universal Standard to Reformation jeans size

The short answer

Universal Standard 10 is Reformation 31 by the two brands' own charts.

Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.

Every Universal Standard size read across to Reformation. US numeric sizes on the left, Waist size on the right.
Universal StandardUniversal Standard builds it forReformation, by chartSame labelReformation builds it forReformation also prints
00waist 24 to 25 in, hip 34 to 35 in24not publishedwaist 24.5 in, hip 35 innot published
00waist 24 to 25 in, hip 34 to 35 in24not publishedwaist 24.5 in, hip 35 innot published
2waist 26 to 27 in, hip 36 to 37 in26not publishedwaist 26.5 in, hip 37 innot published
4waist 27 to 28 in, hip 37 to 38 in27not publishedwaist 27.5 in, hip 38 innot published
6waist 28 to 29 in, hip 38 to 39 in28not publishedwaist 28.5 in, hip 39 innot published
8waist 29 to 31 in, hip 39 to 40 in29not publishedwaist 30 in, hip 40.5 innot published
10waist 33 to 35 in, hip 42 to 44 in31not publishedwaist 33.3 in, hip 43.8 innot published
12waist 35 to 37 in, hip 44 to 46 in32 or 31not publishedwaist 38.5 in, hip 49 innot published
14waist 37 to 39 in, hip 46 to 48 in32not publishedwaist 38.5 in, hip 49 innot published
16waist 39 to 41 in, hip 48 to 50 in34not publishedwaist 40 in, hip 51 innot published
18waist 41 to 43 in, hip 50 to 52 in36not publishedwaist 42 in, hip 53 innot published
20waist 43 to 45 in, hip 52 to 54 in38not publishedwaist 44 in, hip 55 innot published
22waist 45 to 47 in, hip 54 to 56 in38not publishedwaist 44 in, hip 55 innot published
24waist 47 to 49 in, hip 56 to 58 innot madenot publishednot publishednot published
26waist 50 to 52 in, hip 59 to 61 innot madenot publishednot publishednot published
28waist 53 to 55 in, hip 62 to 64 innot madenot publishednot publishednot published
30waist 56 to 59 in, hip 65 to 68 innot madenot publishednot publishednot published
32waist 60 to 63 in, hip 70 to 73 innot madenot publishednot publishednot published
34waist 59 to 63 in, hip 69 to 73 innot madenot publishednot publishednot published
36waist 63 to 67 in, hip 73 to 77 innot madenot publishednot publishednot published
38waist 66 to 70 in, hip 76 to 80 innot madenot publishednot publishednot published
40waist 70 to 74 in, hip 80 to 84 innot madenot publishednot publishednot published
Tinted rows change label or sit between two sizes. 9 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. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

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Sources

Reformation to Universal Standard