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THE FEUTEX TOOLKIT

Terrain Slope and Surface Distance

Compare horizontal distance, elevation gain, slope grade and sloped path length.

Geospatial workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaSigned slope grade = 100*rise/run; Slope angle = atan2(rise,run)*180/PI; Straight sloped distance = hypot(run,rise)
Sources and model references

Worked example

Inputs

Horizontal distance
100 m
Elevation change
20 m

Expected results

Signed slope grade
20 %
Slope angle
11.30993247 degrees
Straight sloped distance
101.9803903 m

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Compare horizontal distance, elevation gain, slope grade and sloped path length.
  2. Set horizontal distance, elevation change in the indicated units.
  3. Calculate and compare signed slope grade, slope angle, straight sloped distance.

Try this example

{
  "run": 100,
  "rise": 20
}

Accuracy and scope

Idealized educational model. Enter measured values in the displayed units; real systems may require additional corrections.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.