To calculate percent slope both rise and run must be in the same units for example feet or meters. Slope Percent Amount of Rise Amount of Run x 100. So a straight up and down vertical lines Slope is undefined.
Rise Run Slope calculator is very useful for building construction engineers.
Rise Run Slope calculator is very useful for building construction engineers. Visit this page using a Phone or Tablet to directly measure pitch and angles. The slope formula is sometimes called rise over run The simple way to think of the formula is. Updated September 26 2019.