Size Charts header image

Size Charts

Which is the right size for me?

We all know that wearing the wrong size bra is not good for you or your boobs, and then trying to find the perfect size seems like a never-ending nightmare. But it doesn’t have to be! Our complete UK size guide will help you find a fit that is right for you.

Bra Size Chart and Conversions

UK EU AUS USA FR IT

30 Bra Band International Conversion

30 A

65 A

8 A

30 A

80 A

0 A

30 B

65 B

8 B

30 B

80 B

0 B

30 C

65 C

8 C

30 C

80 C

0 C

30 D

65 D

8 D

30 D

80 D

0 D

30 DD

65 E

8 DD

30 DD/E

80 E

0 E

30 E

65 F

8 E

30 DDD/F

80 F

0 F

30 F

65 G

8 F

30 G

80 G

0 G

30 FF

65 H

8 FF

30 H

80 H

0 H

30 G

65 I

8 G

30 I

80 I

0 I

30 GG

65 J

8 GG

30 J

80 J

0 J

30 H

65 K

8 H

30 K

80 K

0 K

UK EU AUS USA FR IT

32 Bra Band International Conversion

32 A

70 A

10 A

32 A

85 A

1 A

32 B

70 B

10 B

32 B

85 B

1 B

32 C

70 C

10 C

32 C

85 C

1 C

32 D

70 D

10 D

32 D

85 D

1 D

32 DD

70 E

10 DD

32 DD/E

85 E

1 E

32 E

70 F

10 E

32 DDD/F

85 F

1 F

32 F

70 G

10 F

32 G

85 G

1 G

32 FF

70 H

10 FF

32 H

85 H

1 H

32 G

70 I

10 G

32 I

85 I

1 I

32 GG

70 J

10 GG

32 J

85 J

1 J

32 H

70 K

10 H

32 K

85 K

1 K

UK EU AUS USA FR IT

34 Bra Band International Conversion

34 A

75 A

12 A

34 A

90 A

2 A

34 B

75 B

12 B

34 B

90 B

2 B

34 C

75 C

12 C

34 C

90 C

2 C

34 D

75 D

12 D

34 D

90 D

2 D

34 DD

75 E

12 DD

34 DD/E

90 E

2 E

34 E

75 F

12 E

34 DDD/F

90 F

2 F

34 F

75 G

12 F

34 G

90 G

2 G

34 FF

75 H

12 FF

34 H

90 H

2 H

34 G

75 I

12 G

34 I

90 I

2 I

34 GG

75 J

12 GG

34 J

90 J

2 J

34 H

75 K

12 H

34 K

90 K

2 K

UK EU AUS USA FR IT

36 Bra Band International Conversion

36 A

80 A

14 A

36 A

95 A

3 A

36 B

80 B

14 B

36 B

95 B

3 B

36 C

80 C

14 C

36 C

95 C

3 C

36 D

80 D

14 D

36 D

95 D

3 D

36 DD

80 E

14 DD

36 DD/E

95 E

3 E

36 E

80 F

14 E

36 DDD/F

95 F

3 F

36 F

80 G

14 F

36 G

95 G

3 G

36 FF

80 H

14 FF

36 H

95 H

3 H

36 G

80 I

14 G

36 I

95 I

3 I

36 GG

80 J

14 GG

36 J

95 J

3 J

36 H

80 K

14 H

36 K

95 K

3 K

UK EU AUS USA FR IT

38 Bra Band International Conversion

38 A

85 A

16 A

38 A

100 A

4 A

38 B

85 B

16 B

38 B

100 B

4 B

38 C

85 C

16 C

38 C

100 C

4 C

38 D

85 D

16 D

38 D

100 D

4 D

38 DD

85 E

16 DD

38 DD/E

100 E

4 E

38 E

85 F

16 E

38 DDD/F

100 F

4 F

38 F

85 G

16 F

38 G

100 G

4 G

38 FF

85 H

16 FF

38 H

100 H

4 H

38 G

85 I

16 G

38 I

100 I

4 I

38 GG

85 J

16 GG

38 J

100 J

4 J

38 H

85 K

16 H

38 K

100 K

4 K

UK EU AUS USA FR IT

40 Bra Band International Conversion

40 A

90 A

18 A

40 A

105 A

5 A

40 B

90 B

18 B

40 B

105 B

5 B

40 C

90 C

18 C

40 C

105 C

5 C

40 D

90 D

18 D

40 D

105 D

5 D

40 DD

90 E

18 DD

40 DD/E

105 E

5 E

40 E

90 F

18 E

40 DDD/F

105 F

5 F

40 F

90 G

18 F

40 G

105 G

5 G

40 FF

90 H

18 FF

40 H

105 H

5 H

40 G

90 I

18 G

40 I

105 I

5 I

40 GG

90 J

18 GG

40 J

105 J

5 J

40 H

90 K

18 H

40 K

105 K

5 K

UK EU AUS USA FR IT

42 Bra Band International Conversion

42 A

95 A

20 A

42 A

110 A

6 A

42 B

95 B

20 B

42 B

110 B

6 B

42 C

95 C

20 C

42 C

110 C

6 C

42 D

95 D

20 D

42 D

110 D

6 D

42 DD

95 E

20 DD

42 DD/E

110 E

6 E

42 E

95 F

20 E

42 DDD/F

110 F

6 F

42 F

95 G

20 F

42 G

110 G

6 G

42 FF

95 H

20 FF

42 H

110 H

6 H

42 G

95 I

20 G

42 I

110 I

6 I

42 GG

95 J

20 GG

42 J

110 J

6 J

42 H

95 K

20 H

42 K

110 K

6 K

UK EU AUS USA FR IT

44 Bra Band International Conversion

44 A

100 A

22 A

44 A

115 A

7 A

44 B

100 B

22 B

44 B

115 B

7 B

44 C

100 C

22 C

44 C

115 C

7 C

44 D

100 D

22 D

44 D

115 D

7 D

44 DD

100 E

22 DD

44 DD/E

115 E

7 E

44 E

100 F

22 E

44 DDD/F

115 F

7 F

44 F

100 G

22 F

44 G

115 G

7 G

44 FF

100 H

22 FF

44 H

115 H

7 H

44 G

100 I

22 G

44 I

115 I

7 I

44 GG

100 J

22 GG

44 J

115 J

7 J

44 H

100 K

22 H

44 K

115 K

7 K

Bralette Size Chart

UK Dress Size UK Dual Size Band Size

4

XS

30

6

32

8

S

32

10

34

12

M

34

14

36

16

L

36

18

38

20

XL

38

22

40

24

XXL

40

26

42

Soft Bodies Size Chart

UK Dress Size Bust Size Waist Size Hip Size
CM Inches CM Inches CM Inches

6

83-86

33-34

63-66

25-26

88-91

35-36

8

86-91

34-36

66-71

26-28

91-96

36-38

10

91-96

36-38

71-76

28-30

96-101

38-40

12

96-101

38-40

76-81

30-32

101-106

40-42

14

101-106

40-42

81-86

32-34

106-111

42-44

16

106-111

42-44

86-91

34-36

111-116

44-46

18

111-116

44-46

91-96

36-38

116-122

46-48

20

116-121

46-48

96-101

38-40

122-127

48-50

22

121-126

48-50

101-106

40-42

127-132

50-52

24

126-131

50-52

106-111

42-44

132-137

52-54

Wired Bodies Size Chart

UK Dress Size Bra Cup Size Bust Size Waist Size Hip Size
CM Inches CM Inches CM Inches

8 B/C

32B/30C

86-91

34-36

66-71

26-28

91-96

36-38

8 D/DD

32D/30DD

86-91

34-36

66-71

26-28

91-96

36-38

10 B/C

34B/32C

91-96

36-38

71-76

28-30

96-101

38-40

10 D/DD

34D/32DD

91-96

36-38

71-76

28-30

96-101

38-40

12 B/C

36B/34C

96-101

38-40

76-81

30-32

101-106

40-42

12 D/DD

36D/34DD

96-101

38-40

76-81

30-32

101-106

40-42

14 B/C

38B/36C

101-106

40-42

81-86

32-34

106-111

42-44

14 D/DD

38D/36DD

101-106

40-42

81-86

32-34

106-111

42-44

16 B/C

40B/38C

106-111

42-44

86-91

34-36

111-116

44-46

16 D/DD

40D/38DD

106-111

42-44

86-91

34-36

111-116

44-46

18 B/C

42B/40C

111-115

44-46

91-96

36-38

116-122

46-48

18 D/DD

42D/40DD

111-115

44-46

91-96

36-38

116-122

46-48

Knickers Size Chart

UK Size Waist Size Hip Size
CM Inches CM Inches

6

63-66

25-26

88-91

35-36

8

66-71

26-28

91-96

36-38

10

71-76

28-30

96-101

38-40

12

76-81

30-32

101-106

40-42

14

81-86

32-34

106-111

42-44

16

86-91

34-36

111-116

44-46

18

91-96

36-38

116-122

46-48

20

96-101

38-40

122-127

48-50

22

101-106

40-42

127-132

50-52

24

106-111

42-44

132-137

52-54

26

111-116

44-46

137-142

54-56

Nightwear & Lounge Dress Size Chart

Size Bust Size Waist Size Hip Size
CM Inches CM Inches CM Inches

6

83-86

33-36

63-66

25-26

88-91

35-36

8

86-91

34-36

66-71

26-28

91-96

36-38

10

91-96

36-38

71-76

28-30

96-101

38-40

12

96-101

38-40

76-81

30-32

101-106

40-42

14

101-106

40-42

81-86

32-34

106-111

42-44

16

106-111

42-44

86-91

34-36

111-116

44-46

18

111-116

44-46

91-96

36-38

116-122

46-48

20

116-121

46-48

96-101

38-40

122-127

48-50

22

121-126

48-50

101-106

40-42

127-132

50-52

24

126-131

50-52

106-111

42-44

132-137

52-54

26

131-136

52-54

111-116

44-46

137-142

54-56

Nightwear & Lounge Dual Size Chart

Size UK Dress Size Bust Size Waist Size Hip Size
CM Inches CM Inches CM Inches

XS

4-6

76-86

30-34

56-66

22-26

81-91

32-36

S

8-10

86-96

34-38

66-76

26-30

91-101

36-40

M

12-14

96-106

38-42

76-86

30-34

101-111

40-44

L

16-18

106-116

42-46

86-96

34-38

111-122

44-48

XL

20-22

116-126

46-50

96-106

38-42

122-134

48-52

XXL

24-26

126-136

50-54

106-115

42-46

134-144

52-56

Clothing Conversion Size Chart

UK EU AUS USA FR IT
6 32 6 2 32 38
8 34 8 4 34 40
10 36 10 6 36 42
12 38 12 8 38 44
14 40 14 10 40 46
16 42 16 12 42 48
18 44 18 14 44 50
20 46 20 16 46 52
22 48 22 18 48 54
24 50 24 20 50 56

Size by Brand

The above size charts are based on KBX and Ann Summers product sizes. For other brands sold on Knickerbox, select the relevant size chart links below.

Free Returns

If you’re not happy with something you purchase from us, for any reason, you can return it to us for free within 28 days of receipt. Find out more in our returns policy