45.00° Slope = 100.00% Grade
Results
Elevation Grade
100.00%
Elevation Grade for 45.00 degrees:
- Degrees: 45.00°
- Percent Slope: 100.00%
- Rise/Run Ratio: 1.0000
- 1 in X Ratio: 1 in 1.00
- Inches per Foot: 12.00"
- mm per Meter: 1,000 mm
Frequently Asked Questions
What is 45.00 degrees in other formats?
45.00 degrees equals 100.00% slope, or a 1 in 1.00 ratio (rise/run).
How steep is a 100.00% slope?
A 100.00% slope corresponds to a 45.00 degree angle and means for every 100 units of horizontal distance, there is 100.00 units of vertical rise.
What is the rise per foot for a 45.00 degree slope?
A 45.00 degree slope has a rise of 12.00 inches per foot of horizontal distance.
Nearby Slope Values
| Degrees | Percent Slope | 1 in X Ratio |
|---|---|---|
| 42.50° | 91.63% | 1 in 1.09 |
| 43.00° | 93.25% | 1 in 1.07 |
| 43.50° | 94.90% | 1 in 1.05 |
| 44.00° | 96.57% | 1 in 1.04 |
| 44.50° | 98.27% | 1 in 1.02 |
| 45.00° | 100.00% | 1 in 1.00 |
| 45.50° | 101.76% | 1 in 0.98 |
| 46.00° | 103.55% | 1 in 0.97 |
| 46.50° | 105.38% | 1 in 0.95 |
| 47.00° | 107.24% | 1 in 0.93 |
| 47.50° | 109.13% | 1 in 0.92 |
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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