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Elevation Difference Calculator

Elevation gain, grade and air pressure change between two points, with the walking effort estimate.

Enter values

Results update as you type.

Result

Elevation change

1,300 m

In feet
4,265.1
Average grade
16.25 %
Slope angle
9.23 °
Slope distance
8.1049 km
Air pressure change
-139.72 hPa

About the Elevation Difference Calculator

Elevation gain, grade and air pressure change between two points, with the walking effort estimate.

Also known as: elevation gain, altitude difference, height difference calculator, vertical gain.

How to use this calculator

  1. Enter starting elevation, ending elevation, horizontal distance.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

grade = rise ÷ run × 100

Worked example

Using the values pre-filled in the calculator above:

  • Starting elevation = 500 m
  • Ending elevation = 1,800 m
  • Horizontal distance = 8 km

the calculator returns:

  • Elevation change: 1,300 m
  • In feet: 4,265.1
  • Average grade: 16.25 %
  • Slope angle: 9.23 °