Billabong Size Guide

Billabong Size Charts

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Boys 2 - 7 Years Old

T-2
T-4
T-6
Height
IN
33” - 37”
43” - 47”
3’10 - 4’1
CM
84 - 94
109 - 119
117 - 124
Weight
LB
25 - 30
35 - 40
40 - 55
KG
11 - 14
16 - 18
18 - 25
Chest
IN
20”
22”
23”
CM
51 
56
58.5
Waist
IN
19” 
21”
20”
CM
48
53
51



Boys 8 - 14+ Years Old

Y-6

Y-8

Y-10

Y-12

Y-14

Y-16

Height

IN

4’1 - 4’4

4’4 - 4’7

4’7 - 4’10

4’10 - 5’1

5’1 - 5’4

5’4 - 5’6

CM

124 - 132

132 - 140

140 - 147

147 - 155

155 - 163

163 - 168

Weight

LB

50 - 65

60 - 75

70 - 85

80 - 95

95 - 110

105 - 120

KG

23 - 29

27 - 34

32 - 39

36 - 43

43 - 50

48 -  54

Chest

IN

24.5”

26”

27.5”

29”

31”

33”

CM

62

65

70

73.5

78.5

84

Waist

IN

21.5”

23”

24.5”

26”

28”

30”

CM

55

58.5

62

66

71

76


Mens Sizing 

Top & Elastic Waist
XS
S
M
L
XL
XXL
Bottom Size
28 - 29
30 - 31
32 - 33
34 - 35
36 - 38
40 - 42
Neck
16.5 - 15
14 - 15.5
14.5 - 16
15 - 16.5
15.5 - 17
16 - 17.5
Chest
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
C/B Sleeve
32 - 33.5
33 - 34.5
34 - 35.5
35 - 36.5
36 - 37.5
37 - 38.5
Waist
27.5 - 28.5
28.5 - 29.5
29.5 - 30.5
30.5 - 31.5
31.5 - 32.5
32.5 - 33.5
33.5 - 34.5
34.5 - 35.5
35.5 - 36.5
37.5 - 38.5
39.5 - 40.5
41.5 - 42..5
Hip
36 - 37
37 - 38
38 - 39
39 - 40
40 - 41
41 - 42
42 - 43
43 - 44
44 - 45
46 - 47
48 - 49
50 - 51

Girls Swimwear

4

5

6X

7

8

10

12

14

16

Bust

23

24

25

25.5 - 26.5

27 - 28

29 - 30

31 - 32

33 - 34

34.5 - 36.5

Waist

21

22

22

22.5 - 23.5

23.5 - 24.5

25 - 26

27 - 28

29 - 30

30.5 - 31.5

Hips at Fullest

24

25

26

27 - 28

28 - 29

30 - 31

32 - 33

34 - 35

35 - 36


Ladies Swimwear

XS

S

M

L

XL

US

0

1 - 3

5 - 7

9

11

Waist

24

25.5 - 26.5

27.5 - 28.5

29.5

31

Hips at Fullest

34

35.5 - 36.5

37.5 - 38.5

39.5

41

Bra Size

A

A

B

C

D

Bust at fullest

31.5 - 32.5

33.5 - 34.5

35.5 - 36.5

37.5 - 38.5

39.5 - 40.5

*Women’s swimwear follows a junior sizing scheme. Always size up when in doubt.