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Escalas de dificultad para escalada en roca
Tabla comparativa de escalas de dificultad para escalada libre.
| US (YDS) | Francia | UK | AUS | UIAA |
5.5 | 4a | VD | 15 | 5- |
| 5.6 | 4b | S | 16 | 5 |
| 5.7 | 4c | S | 17 | 5+ |
| 5.8 | 5a | E1 | 18 | 6- |
| 5.9 | 5b | E1 | 19 | 6 |
| 5.10a | 5c | E1 | 20 | 6+ |
| 5.10b | 6a | E2 | 7- | |
| 5.10c | 6a+ | E2 | 21 | 7 |
| 5.10d | 6b | E3 | ||
| 5.11a | 6b+ | E3 | 22 | 7+ |
| 5.11b | 6c | E4 | ||
| 5.11c | 6c+ | E4 | 23 | 8- |
| 5.11d | 7a | E5 | 24 | 8 |
| 5.12a | 7a+ | E5 | 25 | 8+ |
| 5.12b | 7b | E6 | 26 | |
| 5.12c | 7b+ | E6 | 27 | 9- |
| 5.12d | 7c | E7 | 9 | |
| 5.13a | 7c+ | E7 | 28 | 9+ |
| 5.13b | 8a | E7 | 29 | |
| 5.13c | 8a+ | E7 | 30 | 10- |
| 5.13d | 8b | E8 | 31 | 10 |
| 5.14a | 8b+ | E8 | 32 | 10+ |
| 5.14b | 8c | E9 | ||
| 5.14c | 8c+ | E9 | ||
| 5.14d | 9a | E10 | 11- | |
| 5.15a | 9a+ | E10 | ||
| 5.15b | 9b | E11 |
