TrueToSize

Convert / Leggings

Old Navy to Spanx leggings size

The short answer

Old Navy XXS is Spanx XS by the two brands' own charts. 4 of 8 Old Navy sizes land on a different label at Spanx.

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

Every Old Navy size read across to Spanx. Letter sizes on the left, Letter on the right.
Old NavyOld Navy builds it forSpanx, by chartSame labelSpanx builds it forSpanx also prints
XXSwaist 24 in, hip 34.5 inXSnot publishedwaist 25 to 27 in, hip 34 to 36 inUS numeric 0-2
XSwaist 25 to 26 in, hip 35.5 to 36.5 inXSXSwaist 25 to 27 in, hip 34 to 36 inUS numeric 0-2
Swaist 27 to 28 in, hip 37.5 to 38.5 inSSwaist 27 to 29 in, hip 36 to 38 inUS numeric 4-6
Mwaist 29 to 30 in, hip 39.5 to 40.5 inMMwaist 29 to 31 in, hip 38 to 40 inUS numeric 8-10
Lwaist 31.5 to 33.5 in, hip 42 to 44 inLLwaist 31 to 33.5 in, hip 40 to 42.5 inUS numeric 12-14
XLwaist 36.3 to 39 in, hip 46.5 to 49 in1XXLwaist 36 to 39 in, hip 45 to 48 inUS numeric 18-20
XXLwaist 42 in, hip 51.5 in2Xnot publishedwaist 39 to 42 in, hip 48 to 51 inUS numeric 22-24
2Xwaist 42 to 44.3 in, hip 51.5 to 53.8 in3X2Xwaist 42 to 45 in, hip 51 to 54 inUS numeric 26
3Xwaist 46.6 to 49 in, hip 56.1 to 58.5 innot made3Xnot publishednot published
4Xwaist 51.5 to 54 in, hip 61 to 63.5 innot madenot publishednot publishednot published
Tinted rows change label or sit between two sizes. 2 sizes have no counterpart on the Spanx 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.

Open in the converterAdd an item you own

Sources

Spanx to Old Navy