Steps Involved in Building a HouseSpike's Calculators

Angle to Grade Percentage

Convert an angle in degrees to an elevation grade in a percentage.

The angle in degrees has to be between 90° and -90°.

Formula: percent = tan(degrees) * 100
Example
a slope has an angle of 15 degrees
tan(15) * 100 = 26.7949%
slope has an angle of 45°
tan(45) * 100 = 100%

Angle to Grade Percentage

Degrees °
Decimal Precision

Results:

Grade %

Calculation

  1. enter the angle in degrees
  2. number of decimals in result

Result

  1. elevation grade in a percentage


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