UIAA

USA (YDS)

UK

Francia

Germania

Australia

I

5.2

difficoltà moderata

1

I

II

5.3

difficile

2

II

11

III

5.4

molto difficile

3

III

12

IV

5.5

4a

4

IV

12 – 13

V-

5.5

4a

5a

V

13

V

5.6

4a – 4b

5b

V – VI

13 – 14

V+

5.7

4b – 4c

5b – 5c

VI

14

VI-

5.8

4c

5c

VIIa

15

VI

5.9

5a

6a

VIIb

15 – 16

VI+

5.10a

5a

6a+

VIIc

16

VII-

5.10b

5b

6b

VIIIa

17

VII

5.10c

5b – 5c

6b+

VIIIb

18

VII+

5.10d

5c

6c

VIIIc

19

VIII-

5.11a – 5.11b

6a

6c+

IXa

20 – 21

VIII

5.11c – 5.11d

6a – 6b

7a

IXb

22 – 23

VIII+

5.12a

6b

7a+

IXc

24

IX-

5.12b – 5.12c

6c

7b – 7b+

Xa

25 – 26

IX

5.12d

6c – 7a

7b+ – 7c

Xb

26 – 27

IX+

5.13a

7a

7c+

Xc

28

X-

5.13b – 5.13c

7b

8a – 8a+

XIa

29 – 30

X

5.13c – 5.13d

7b

8b

XIb

30 – 31

X+

5.13d – 5.14a

8b – 8b+

31 – 32

XI-

5.14b – 5.14c

8c – 8c+

33 – 34

XI

5.14c – 5.14d

8c+ – 9a

XII-

5.15a

9a+

XII

5.15b – 5.15c

9b – 9b+

XII+

5.15d

9c