Convert between percent, ratio, degrees - calculate rise and run
Enter any value to convert to all formats:
Calculate elevation drop for drainage away from buildings:
| Application | Percent | Ratio | Degrees |
|---|---|---|---|
| ADA Ramp (max) | 8.33% | 1:12 | 4.76° |
| Parking Lot | 1-2% | 1:50-100 | 0.6-1.1° |
| Sidewalk | 1-2% | 1:50-100 | 0.6-1.1° |
| Roof (low slope) | 2% | 1:48 (1/4":12") | 1.2° |
| Roof (4:12) | 33% | 1:3 | 18.4° |
| Driveway (max) | 15% | 1:6.7 | 8.5° |
| Landscape Grading | 2-5% | 1:20-50 | 1.1-2.9° |
| OSHA Type B Soil | 100% | 1:1 | 45° |