Spike's Calculators

Slopes, Grades and Angles

Grade in Percentage to Angle in Degrees

Convert a slope given as a percentage into an angle in degrees. If the slope is expressed as a percentage, the angle can be determined as:

Percentage to Degrees

Atan %
Decimal Precision #


Radians rad
Degrees °


  1. gradient or slope in a percentage
  2. number of decimals in result


  1. slope in radians
  2. slope in degrees
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