Selecting proper sizes when buying female underwear in Japan

Since Standard Japanese Sizes are very different from Standard American Sizes, you might have difficulty in selecting clothes in proper size. Especially, selecting proper size for underwear is really difficult but crucial, as it is necessary to fit your body with comfort. 

The following is measurement charts to compare Standard Japanese Sizes and Standard American Sizes for female underwear (panties).

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While sizes differ depending on each manufacture, based on standard body (female) dimensions used, the charts are to use just as a reference, though, I hope it would be of help when buying underwear in Japan.

(FYI) LL denotes Extra Large in Japan. 

Standard Measurements - Japan

Size
Small
Medium
Large
Extra Large
Hip (inch)
32.3-35.4
34.3-37.4
36.2-39.4
38.2-41.3
Hip (cm)
82-90
87-95
92-100
97-105
Thigh (inch)
Approx. 19.3
Approx. 20.8
Approx. 22.0
Approx. 23.6
Thigh (cm)
Approx. 49
Approx. 53
Approx. 56
Approx. 60
Panty Size Letter
S
M
L
LL

Equivalent Japanese sizes compared to Western Standard Sizes
Japanese Sizes
S
M
L
LL
Western Sizes
S(Small)
Size 3
S(Small)
Size 4
or
S(Small)
Size 5
S(Small)
Size 6
or
M(Medium)
Size 7
M(Medium)
Size 7
or
M(Medium)
Size 8


Standard Measurements - Western (American/European)

Women - Small (S) Sizes 3-6
Panty Size Number
3
4
5
6
Waist (inch)
23-24
24-25
25-26
27-28
Waist (cm)
58.4-61
61 - 63.5
63.5 -66
68.9-71.1
Hip (inch)
33-34
34-35
35-36
37-38
Hip (cm)
83.4-86.5
86.4-88.9
88.9-91.4
94-96.5
Panty Size Letter
S
S
S
S


Women - Medium (M) Sizes 7-10
Panty Size Number
7
8
9
10
Waist (inch)
29- 30
31- 32
33 - 34
35- 36
Waist (cm)
73.7 - 76.2
78.7 - 81.3
83.8 - 86.4
88.9 - 91.4
Hip (inch)
39 - 40
41- 42
43- 44
45 - 46
Hip (cm)
99.1 - 101.6
104.1 - 106.7
109.2 - 111.8
114.3 - 116.8
Panty Size Letter
M
M
M
M


Women - Large (L) Sizes 11-14
Panty Size Number
11
12
13
14
Waist (inch)
37- 38
39 - 40
41- 42
43 - 44
Waist (cm)
94 - 96.5
99.1 - 101.6
104.1 - 106.7
109.2 - 111.8
Hip (inch)
47- 48
49- 50
51 - 52
53 - 54
Hip (cm)
119.4 - 121.9
124.5 - 127
129.5 - 132.1
134.6 - 137.2
Panty Size Letter
L
L
L
L


Women X-Large (XL) Sizes 15-18
Panty Size Number
15
16
17
18
Waist (inch)
45-46
47-48
49-50
51-52
Waist (cm)
114.3-116.8
119.4-121.9
124.5-127
129.5-132
Hip (inch)
55- 56
57-58
59-60
61-62
Hip (cm)
139.7-142.2
144.8-147.3
150 -152.4
154 -157
Panty Size Letter
XL
XL
XL
XL




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