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
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


Grade %


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


  1. elevation grade in a percentage

    Visit us on facebook.png

If you have any questions or comments please Contact Us

© 1998, VmNet.