Angle Degrees to Percent of Slope Conversion Calculator

Convert degrees of an angle to percentage of slope with this online tool.

Add a Angle Degrees to Percent Widget to your own website, or blog.

How do you convert to percent?

To convert, use this formula:
Percentage = [ Tan ( Degrees ) ] x 100

Example: An angle of 48° would be:

Percentage of Slope = [ Tan ( 48 ) ] x 100

Calculated out this gives a percentage 111.06 percent because
the rise is greater than the amount of run by 11.06 percent.

Real Life Example

Slopes and angles are very common in our daily lives. Most construction principles utilize this calculation to determine the angles that are needed to cut lumber in order to have a sloped roof with the correct dimensions.