There are several methods of grading how difficult a climb is. Knowing how one method relates to another is sometimes difficult. Below is a chart to help you determine how one method relates to another.
| Climbing |
Bouldering |
| North America (YDS) |
Austr. |
French |
UIAA |
UK |
Hueco |
UK |
Font |
| 5.2-3 |
9-Aug |
2-Jan |
I-II |
HVD |
|
– |
|
| 5.4-5 |
12-Oct |
3-Feb |
III |
MS |
|
– |
|
| 5.6 |
13- |
4 |
IV |
S |
|
– |
|
| 5.7 |
13+ |
4+ |
V- |
VS |
|
– |
|
| 5.8 |
14 |
5a |
V |
HVS |
|
– |
|
| 5.9 |
15 |
5b |
V+ |
|
V0 |
B1 |
4 |
| 5.10a |
19 |
6a |
VI+ |
E1 5b |
|
|
|
| 5.10b |
19/20 |
6a+ |
VI+/VII- |
E2 5c |
V0+ |
B2 |
4+ |
| 5.10c |
20 |
6b |
VII |
|
V1 |
B3 |
5 |
| 5.10d |
21 |
6b+ |
VII+ |
E3 5c |
|
|
|
| 5.11a |
21/22 |
6c |
VII+/VIII- |
|
V2 |
B4 |
6a |
| 5.11b |
22 |
6c+ |
VIII- |
E4 6a |
V3 |
|
6a+ |
| 5.11c/d |
23 |
7a |
VIII |
|
|
B5-6 |
|
| 5.12a |
24 |
7a+ |
VIII/VIII+ |
E5 6b |
V4 |
|
6b/c |
| 5.12b |
25 |
7b |
VIII+ |
|
V5 |
|
6c |
| 5.12c |
26 |
7b+ |
IX- |
E6 6b |
V6 |
B7 |
6c+ |
| 5.12d |
27 |
7c |
IX |
|
|
|
7a |
| 5.13a |
28 |
7c+ |
IX/IX+ |
|
V7 |
B8 |
7a+ |
| 5.13b |
29 |
8a |
IX+ |
E7 6c |
V8 |
|
7b |
| 5.13c |
30 |
8a+ |
X- |
|
|
B9 |
7c |
| 5.13d |
31 |
8b |
x |
E8 7a |
V9 |
|
|
| 5.14a |
32 |
8b+ |
X/X+ |
|
V10 |
B10 |
7c+ |
| 5.14b |
33 |
8c |
X+ |
E9 7b |
V11 |
|
|
| 5.14c |
34 |
8c+ |
XI- |
|
V12/13 |
B12 |
8a+ |
| 5.14d/5.15 |
35 |
9a |
XI |
E10 7c |
|
|
|
