UIAA to YDS grade conversion chart
Every UIAA grade with its YDS equivalent, side by side. Where the two scales don't line up, you'll see a range.
Key conversions
- VI = 5.9/5.10a
- VII− = 5.10b
- VII = 5.10c
- VIII− = 5.11b/c
- VIII = 5.11c/d
- IX− = 5.12c
- IX = 5.12d
- X− = 5.13b
- XI = 5.14c/d
| IV | 5.6 | 4a | 13 |
|---|---|---|---|
| IV+ | 5.6/ | 4a+/ | 13/ |
| V− | 5.7 | 4b+/ | 14/ |
| V+ | 5.8/ | 5a+/ | 16/ |
| VI− | 5.9 | 5b+ | 17 |
| VI | 5.9/ | 5c | 17/ |
| VI+ | 5.10a | 5c+/ | 18 |
| VII− | 5.10b | 6a+ | 19 |
| VII | 5.10c | 6b | 20 |
| VII+ | 5.10d/ | 6b+ | 20/ |
| VIII− | 5.11b/ | 6c+ | 22/ |
| VIII | 5.11c/ | 7a | 23 |
| VIII+ | 5.11d/ | 7a+ | 24 |
| IX− | 5.12c | 7b+ | 26 |
| IX | 5.12d | 7c | 27 |
| IX+ | 5.13a | 7c+ | 28 |
| X− | 5.13b | 8a | 29 |
| X | 5.13c | 8a+ | 30 |
| X+ | 5.13d | 8b | 31 |
| XI− | 5.14b | 8c | 33 |
| XI | 5.14c/ | 8c+/ | 34/ |
| XI+ | 5.15b | 9b | 37 |
| XII− | 5.15d | 9c | 39 |
Approximate. Conversions by OpenBeta sandbag; British from RockFax/theCrag tables.
About these grades
UIAA grades are used in Germany, Austria and the Alps, written in Roman numerals (VI+, VII−) up to XII.
The Yosemite Decimal System (YDS) is used in North America. Roped climbs run from 5.0 to 5.15d, with letters a to d from 5.10 up.