Rating conversion
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Below is the logic used to convert between ACA / French rating systems and how to use these ratings to report conditions.
| TECHNICAL | Not Technical | Very Easy | Easy | Moderate | Difficult | Very Difficult | Extremely Difficult |
|---|---|---|---|---|---|---|---|
| ACA Technical rating: | 1 or 2 | 3 (r<30ft) | 3 (r>30ft) | 3 PG or 4 | R | X | XX |
| French Vertical rating: | v1 | v2 | v3 | v4 | v5 | v6 | v7 |
| Difficulty Condition: |  Nontechnical |
 Easy |
Easy |
 Normal |
 Special challenges |
 Advanced |
 Extreme
|
| WATER FLOW | Dry | Calm | Weak | Moderate | Strong | Very Strong | Extremely Strong |
|---|---|---|---|---|---|---|---|
| ACA Water rating: | A | B | B/C | C1 C |
C2 C R |
C3 C X |
C4 C XX |
| French Aquatic rating: | a1 | a2 | a3 | a4 | a5 | a6 | a7 |
| Water Condition: |  Dry |
 Very Low Deep pools |
 Low |
 Moderate |
 High |
 Very High |
 Extreme
|
| Caudal (Spanish) | Seco | Muy bajo Muy flojo Hilillo de agua Pozas de agua |
Bajo Flojo Escaso |
Normal Adecuado |
Alto Fuerte |
Muy alto Muy fuerte |
Muy peligroso Extremo Excesivo Imposible |
| TIME | <2h | 2h - 4h | 4h - 8h | 8h - 24h | >1 day | >2 days |
|---|---|---|---|---|---|---|
| ACA Time rating: | I | II | III | IV | V | VI |
| French Commitment/Duration rating: | I | II | III | IV | V | VI |
| NO CONVERSION FOR COMMITMENT | ||||||