Underwear size chart and conversion

Underwear is usually described as items of clothing worn beneath outer clothes, mostly in direct contact with the skin, meaning it’s a term that groups Bras, Pants (or panties/knickers) worn by women today, while men wear tees, tanktops, singlets, briefs, trunks, boxer shorts or boxer briefs. As underwear should be feeling comfortable when wearing, an underwear size chart will help you find the right size for the type of underwear you’re looking for.

Typical synonyms for underwear are undies, undergarments, where women’s underwear often is referred to as Lingerie or Intimates.

Underwear size chart table of content

Underwear Size chart for Women’s Pants

Underwear SizeHips Pant Size
4
XS (Extra Small)
34 – 35″
86 – 89 cm
2 – 4
5
S (Small)
36 – 37″4 – 6
6
M (Medium)
38 – 39″8 – 10
7
L (Large)
40 – 41″12 – 14
8
XL (Extra Large)
42 – 43″14 – 16
9
2XL or XXL
44 – 45″16 – 18
10
3XL or XXXL
46 – 47″18 – 20

Women’s Panties Plus Underwear Size Chart

SizeHipsDress
945 – 46.514W/16W
1047 – 48.518W/20W
1149 – 51.522W/24W
1252 – 55.526W/28W
1356 – 59.530W – 32W
1460 – 63.534W – 36W

Bra size

The two major aspects of bra size are the band size and the cup size. Find below a summary which gives you an idea about how the sizing of bras work, but we advise to check out the dedicated Bra Size Charts here

Band size (frame size)

The band size is the size of the bra band around the torso. However, band sizes come in different measurements in different countries, in that sizes such as small, medium, and large, equate to different measurements. Refer to the table below for some size measurements, though some variation from the published measurements is possible.

Band SizeFR/BE/ESEU (Standard EN 13402)US and UKAU, NZ
XXS7560286
XS8065308
S85703210
M90753412
L95803614
XL100853816
XXL105904018
3XL110954220
4XL1151004422
5XL1201054624

Cup size

The cup size can be calculated using the difference between bust size and band size. Refer to the table below.

Bust/band difference in inchesUS cup sizeUK/AU cup size
<1AAAA
1AA
2BB
3CC
4DD
5E or DDDD
6F or DDDE
7G or DDDDF
8HFF
9IG
10JGG
11KH
12LHH
13MJ
14NJJ
Bust/band difference in cmContinental Europe cup size
10-11AA
12-13A
14-15B
16-17C
18-19D
20-21E
22-23F
24-25G
26-27H
28-29I
30-31J
32-33K

Related Bra size Chart Posts

Long Underwear – Long Johns

Underwear Size chart extra: Bikini Size Chart

As swimwear or summer wear is not 100% the same as underwear, the size charts are added here, but you can dig deeper into the bikini size charts here

Bikini Top

Sizing of bikini tops generally follows the same system observed in bra sizes. Size labels are made up of a combination of numbers and letters which corresponds to a particular cup size and underbust measurement, respectively. For example, you’re probably familiar with bra sizes like 32B and 36C.

Bikini Bottom

Bikini bottom sizes, on the other hand, are typically labeled the same as standard or classic clothing sizes. Sizes are usually numerical and are based on the measurement of waist and/or hip circumferences. For example, a size 4 or 6 is usually for petite women while sizes 18 and 20 are for those with a curvier built. However, there are swimwear brands that use the best-known international sizing system (e.g., Small, Medium, Large, etc.) to classify their bikini bottom sizes

, g-strings, tanga, thong, t front

booty shorts, boyleg briefs, boy short panties, boys’ cut shorts, boyshorts, hipsters, shorties

tap pants, side-cut shorts, dance shorts, French knickers

Underwear Size chart for Men’s Pants

SizeWaist (inches)
S28 – 30
M32 – 34
L36 – 38
XL40 – 42
2XL44 – 46
3XL48 – 50

Waist

Measure around your waist, slightly below your natural waist, where you normally wear your pants. Insert your forefinger between the tape and your body to allow ease in fit.

Tip: For the most accurate results, measure yourself in your undergarments.

Between Sizes?

If your measurements are in between those listed in the size chart, pick the next larger size.

The picture in this post is by cottonbro via Pexels

Bra Size Chart, Underwear Size Chart

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