Steps Involved in Building a HouseSpike's Calculators

Elevation Grade from a Percentage

Elevation Grade from a Percentage

This calculator will calculate the drop in inches, the difference in elevation, from a slope expressed as a percentage.


Formula used : elevation change = ( percentage ÷ 100) * length
Example calculation
a trench 20 feet long requires a 2% slope

convert 20 feet to inches
20 * 12 = 240"
240 * (2  ÷ 100) =
240 * 0.02 =  4.8 = 4 13/16"

Slope Percentage Drop

Length ft in
Slope in a Percentage %
Fraction Precision #

Results:

Difference in Height in

Calculation

  1. length in feet & inches
  2. required slope in a percentage
  3. fraction precision preset @16

Result

  1. required drop in inches


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