20.00° Slope = 36.40% Grade

Results

Elevation Grade
36.40%

Elevation Grade for 20.00 degrees:

  • Degrees: 20.00°
  • Percent Slope: 36.40%
  • Rise/Run Ratio: 0.3640
  • 1 in X Ratio: 1 in 2.75
  • Inches per Foot: 4.37"
  • mm per Meter: 364 mm

Frequently Asked Questions

What is 20.00 degrees in other formats?

20.00 degrees equals 36.40% slope, or a 1 in 2.75 ratio (rise/run).

How steep is a 36.40% slope?

A 36.40% slope corresponds to a 20.00 degree angle and means for every 100 units of horizontal distance, there is 36.40 units of vertical rise.

What is the rise per foot for a 20.00 degree slope?

A 20.00 degree slope has a rise of 4.37 inches per foot of horizontal distance.

Nearby Slope Values

Degrees Percent Slope 1 in X Ratio
17.50° 31.53% 1 in 3.17
18.00° 32.49% 1 in 3.08
18.50° 33.46% 1 in 2.99
19.00° 34.43% 1 in 2.90
19.50° 35.41% 1 in 2.82
20.00° 36.40% 1 in 2.75
20.50° 37.39% 1 in 2.67
21.00° 38.39% 1 in 2.61
21.50° 39.39% 1 in 2.54
22.00° 40.40% 1 in 2.48
22.50° 41.42% 1 in 2.41

How to Calculate Elevation Grade

  1. Enter any slope measurement: degrees, percent grade, ratio, inches per foot, or mm per meter
  2. The calculator instantly converts to all other slope formats
  3. 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

← Calculate other slope values

6° = 10.51%1:9.51 12° = 21.26%1:4.70 20° = 36.40%1:2.75 25° = 46.63%1:2.14 45° = 100.00%1:1.00 55° = 142.81%1:0.70 80° = 567.13%1:0.18 4° = 6.99%1:14.30

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