Surveying & Geomatics
Basic

Slope / Grade Percentage

Steepness of ground or a road as a percentage.

Formula

G=riserun×100G = \frac{rise}{run} \times 100

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Variables

GGrade (%)
riseVertical change
runHorizontal distance

Example

Rise 8 m over 100 m: G = 8%

Did You Know?

Road signs warning of a '10% grade' mean 10 m of drop for every 100 m travelled.

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