| Degrees | Label |
|---|---|
| 0 | Level |
| 0.3 - 1.1 | Nearly level |
| 1.1 - 3 | Very gentle slope |
| 3 - 5 | Gentle slope |
| 5 - 8.5 | Moderate slope |
| 8.5 - 16.5 | Strong slope |
| 16.5 - 24 | Very strong slope |
| 24 - 35 | Extreme slope |
| 35 - 45 | Steep slope |
| > 45 | Very steep slope |
| Degrees | Label |
|---|---|
| 0 | Level |
| 0.3 - 1.1 | Nearly level |
| 1.1 - 3 | Very gentle slope |
| 3 - 5 | Gentle slope |
| 5 - 8.5 | Moderate slope |
| 8.5 - 16.5 | Strong slope |
| 16.5 - 24 | Very strong slope |
| 24 - 35 | Extreme slope |
| 35 - 45 | Steep slope |
| > 45 | Very steep slope |