Enter the total elevation gain and the total horizontal distance traveled from trailhead to summit to calculate the average hill grade.

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## Hill Grade Formula

The following formula is used to calculate the percentage hill grade of a trail or hike.

G = EG / HD *100

- Where G is the hill grade %
- EG is the elevation gain (ft/m/ect.)
- HD is the horizontal straight line distance from head to the summit

To calculate hill grade, divide the elevation gain by the horizontal distance, then multiply by 100.

## Hill Grade Definition

A hill grade is defined as the percentage of slope on average of a certain hiking trail.

## Hill Grade Example

How to calculate a hill grade?

**First, determine the elevation gain.**Calculate the total vertical elevation gain from the trailhead to the end of the hike or the summit.

**Next, determine the horizontal distance.**Calculate the straight-line horizontal distance from the trailhead to the end of the hike.

**Finally, calculate the hill grade.**Calculate the percentage hill grade using the formula above.

## FAQ

**What is a hill grade?**

A hill grade is a measure of the difficulty of a hike using the percentage of slope on average.