Slope & Grade Calculator

Enter any one value to convert between slope percentage, angle, ratio, and rise/run.

Slope Grade
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Angle
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Ratio
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Rise : Run
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Slope Length per 100
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Slope Conversion Formulas

Percent Grade = (Rise / Run) x 100

Angle = arctan(Rise / Run)

Ratio 1:N = 1 : (Run / Rise)

Slope Length = sqrt(Rise^2 + Run^2)

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