9.00° Slope = 15.84% Grade
Results
Elevation Grade
15.84%
Elevation Grade for 9.00 degrees:
- Degrees: 9.00°
- Percent Slope: 15.84%
- Rise/Run Ratio: 0.1584
- 1 in X Ratio: 1 in 6.31
- Inches per Foot: 1.90"
- mm per Meter: 158 mm
Frequently Asked Questions
What is 9.00 degrees in other formats?
9.00 degrees equals 15.84% slope, or a 1 in 6.31 ratio (rise/run).
How steep is a 15.84% slope?
A 15.84% slope corresponds to a 9.00 degree angle and means for every 100 units of horizontal distance, there is 15.84 units of vertical rise.
What is the rise per foot for a 9.00 degree slope?
A 9.00 degree slope has a rise of 1.90 inches per foot of horizontal distance.
Nearby Slope Values
| Degrees | Percent Slope | 1 in X Ratio |
|---|---|---|
| 6.50° | 11.39% | 1 in 8.78 |
| 7.00° | 12.28% | 1 in 8.14 |
| 7.50° | 13.17% | 1 in 7.60 |
| 8.00° | 14.05% | 1 in 7.12 |
| 8.50° | 14.95% | 1 in 6.69 |
| 9.00° | 15.84% | 1 in 6.31 |
| 9.50° | 16.73% | 1 in 5.98 |
| 10.00° | 17.63% | 1 in 5.67 |
| 10.50° | 18.53% | 1 in 5.40 |
| 11.00° | 19.44% | 1 in 5.14 |
| 11.50° | 20.35% | 1 in 4.92 |
How to Calculate Elevation Grade
- Enter any slope measurement: degrees, percent grade, ratio, inches per foot, or mm per meter
- The calculator instantly converts to all other slope formats
- Results show: degrees, percentage, rise/run ratio, inverse ratio, and construction measurements
Formula Reference
- Percent Grade: Grade % = tan(angle in degrees) × 100
- Rise/Run Ratio: Ratio = tan(angle in degrees)
- Angle from Percent: Degrees = arctan(percent / 100) × (180/π)
- Inches per Foot: Rise per foot = tan(degrees) × 12
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