Calcular Desnivel Positivo

Positive elevation gain, also known as desnivel positivo, refers to the total upward climb during an outdoor activity like hiking or cycling. This measurement helps athletes and outdoor enthusiasts understand the physical demands of a route. Our calculator provides an accurate way to determine positive elevation gain using GPS data or manual measurements.

What is positive elevation gain?

Positive elevation gain measures the total vertical ascent during an outdoor activity. It's calculated by summing all the upward movements between two points, regardless of the distance traveled horizontally. This metric is crucial for understanding the difficulty of a route and planning for physical exertion.

Positive elevation gain is different from total elevation change, which includes both upward and downward movements.

Key terms

Desnivel positivo: Spanish term for positive elevation gain
Elevation profile: Graph showing elevation changes over distance
Grade: Percentage of vertical rise over horizontal distance

How to calculate positive elevation

There are two main methods to calculate positive elevation gain:

Method 1: Using GPS data

Download your activity track from a GPS device or fitness app
Identify the starting and ending points of your climb
Sum all the positive elevation changes between these points

Method 2: Manual measurement

Use a barometric altimeter or GPS device to record elevation at regular intervals
Calculate the difference between each pair of consecutive points
Sum only the positive differences to get the total positive elevation gain

Formula: Positive Elevation Gain = Σ (E_i+1 - E_i) where (E_i+1 - E_i) > 0

Why positive elevation matters

Understanding positive elevation gain helps athletes and outdoor enthusiasts in several ways:

Route selection: Helps choose appropriate trails based on fitness level
Training planning: Guides preparation for challenging climbs
Performance assessment: Measures the difficulty of completed activities
Energy expenditure: Estimates calorie burn during climbing

Estimated calorie burn per 1000 meters of positive elevation gain
Activity	Calories burned
Hiking	300-500
Cycling	400-600
Running	500-800

Example calculation

Let's calculate the positive elevation gain for a 10km hike with the following elevation points:

Elevation points for example hike
Point	Distance (km)	Elevation (m)
Start	0	500
1	2	600
2	4	700
3	6	650
4	8	800
5	10	750

The positive elevation changes are:

Point 1: 600 - 500 = +100m
Point 2: 700 - 600 = +100m
Point 3: 650 - 700 = -50m (not counted)
Point 4: 800 - 650 = +150m
Point 5: 750 - 800 = -50m (not counted)

Total positive elevation gain = 100 + 100 + 150 = 350 meters

FAQ

What's the difference between positive and negative elevation?: Positive elevation refers to upward movement, while negative elevation refers to downward movement. The sum of both gives the total elevation change.
How accurate are GPS elevation measurements?: GPS devices typically provide elevation measurements accurate to within 5-10 meters, though this can vary based on terrain and device quality.
Can I calculate elevation gain without GPS?: Yes, you can use a barometric altimeter or manual measurements with a tape measure, though these methods are less precise.
What's a good positive elevation gain for a day hike?: Most day hikes have positive elevation gains between 300-1,000 meters, depending on the hiker's fitness level.
How does positive elevation affect my fitness?: Higher positive elevation gains require more cardiovascular endurance and leg strength, making them suitable for experienced hikers.