UK

EU

US

G

45

3.25

G 1/2

46

3.5

H

46.5

3.75

H 1/2

47

4

I

48

4.25

I 1/2

48.5

4.5

J

49

4.75

J 1/2

49.5

5

K

50.5

5.25

K 1/2

51

5.5

L

51.5

5.75

L 1/2

52

6

M

53

6.25

M 1/2

53.5

6.5

N

54

6.75

N 1/2

55

7

O

55.5

7.25

O 1/2

56

7.5

P

56.5

7.75

P 1/2

57

8

Q

57.5

8.25

Q 1/2

58

8.5

R

59

8.75

R 1/2

59.5

9

S

60

9.25

S 1/2

61

9.5

T

61.5

9.75

T 1/2

62

10

U

62.5

10.25

U 1/2

63.5

10.5

V

64

10.75

V 1/2

65

11

W

65.5

11.25

W 1/2

66

11.5

X

66.5

11.75

X 1/2

67

12

Y

68

12.25

Y 1/2

68.5

12.5

Z

69

12.75