How Many Calories Does Hiking Burn? By Weight and Trail Type

Hiking doesn’t get the calorie-burning respect it deserves. People assume it’s just “walking outside,” so it must burn about the same as a stroll around the neighborhood. That couldn’t be more wrong.

So how many calories does hiking burn? Between elevation changes, uneven terrain, pack weight, and the sheer duration of most hikes, you’re often burning significantly more calories than running the same distance on flat ground. And the kicker? Most fitness trackers don’t even capture the full picture.

Here’s the actual science behind hiking calorie burn, including the specific variables that make it such an effective (and underrated) workout.

The Basics: How Calorie Burn Is Calculated

Calorie burn during exercise is estimated using something called MET values (Metabolic Equivalent of Task). One MET equals the energy you burn sitting completely still. An activity with a MET of 6.0 means you’re burning six times your resting metabolic rate.

The formula is straightforward:

Calories burned per hour = MET × body weight in kg × 1.05

The 2024 Compendium of Physical Activities, published in the Journal of Sports Sciences, catalogues MET values for over 1,100 activities. Hiking doesn’t have just one MET value. It has several, depending on what kind of hiking you’re actually doing.

Hiking MET Values at a Glance

Activity	MET Value
Hiking, cross-country	6.0
Hiking, moderate trail with light pack	7.0
Hiking uphill, 1-5% grade	7.5
Hiking uphill, 6-15% grade	8.0
Backpacking with 10-20 lb pack	7.5
Backpacking with 25-40 lb pack	8.5
Backpacking with 42+ lb pack	9.0

Compare that to walking on flat ground at 3.5 mph (MET 4.3) or even jogging at 5 mph (MET 8.3). A tough uphill hike with a loaded pack can match or exceed a moderate jog for calorie burn, and most hikers sustain that effort for hours, not minutes.

Real Numbers for Real Hikers

Here’s the approximate calorie burn per hour for a cross-country hike (MET 6.0) at different body weights:

140 lbs (64 kg): ~403 cal/hr
170 lbs (77 kg): ~485 cal/hr
200 lbs (91 kg): ~573 cal/hr

Now bump that up to an uphill hike with a pack (MET 8.5):

140 lbs (64 kg): ~571 cal/hr
170 lbs (77 kg): ~687 cal/hr
200 lbs (91 kg): ~812 cal/hr

On a four-hour hike with moderate elevation? That 170 lb hiker could burn anywhere from 1,940 to 2,748 calories depending on terrain and pack weight. That’s more than most people burn in an entire day of normal activity.

If you’re curious how hiking stacks up against other activities, we broke down the numbers in our walking vs. running calorie comparison.

The Elevation Gain Multiplier

This is where hiking really separates itself from walking: going uphill is expensive, metabolically speaking.

Research using the Pandolf equation (originally developed for the U.S. military in the 1970s and still used today) shows that walking uphill dramatically increases energy expenditure. The equation factors in body weight, pack weight, walking speed, slope grade, and terrain type to estimate metabolic cost.

The practical takeaway: every 1% increase in grade adds roughly 5-10% more calorie burn at the same speed. A 10% grade (pretty standard for a moderate mountain trail) can nearly double your energy expenditure compared to flat terrain.

This is why a “short” 3-mile hike with 2,000 feet of elevation gain can leave you way more exhausted than a flat 6-mile walk. You’re not imagining it. The physics backs it up.

Most hikers experience a mix of flat sections, moderate climbs, and steep pushes. That variability actually works in your favor because your body never fully adapts to a steady-state effort. You’re constantly adjusting, recruiting different muscle groups, and burning more energy as a result.

If you’re new to hiking, start with trails that have moderate elevation gain (500-1,000 feet) and work your way up.

Pack Weight: The Hidden Calorie Multiplier

Carrying a backpack turns hiking into a completely different exercise. It’s essentially rucking, and the calorie cost is significant.

According to data analyzed using the Pandolf equation (as reported by Outside Magazine), a 150-pound hiker carrying a 50-pound pack at 4 mph burns approximately 555 calories per hour. That breaks down into three components:

88 cal/hr just from supporting your body weight (standing still)
17 cal/hr from supporting the pack weight
450 cal/hr from the actual walking, climbing, and terrain navigation

The relationship between pack weight and calories burned hiking isn’t linear, either. It gets steeper the heavier you go. Doubling pack weight from 40 to 80 lbs increases hourly burn by about 25%. And you pay a bigger penalty adding 20 lbs to an already heavy pack than adding the same weight to a light one.

Even a modest daypack (10-15 lbs with water, food, and gear) adds measurable calorie burn. A fully loaded overnight pack (30-40 lbs) pushes your calorie expenditure firmly into the “serious workout” category.

Why Your Fitness Tracker Gets It Wrong

If you’ve ever finished a grueling mountain hike and been disappointed by the calorie count on your watch, you’re not alone. There are real, documented reasons why trackers struggle with hiking.

A Stanford University study tested seven popular wearable devices and found that even the most accurate was off by an average of 27% for energy expenditure. The least accurate? Off by 93%. Heart rate tracking was solid (under 5% error), but calorie estimation was consistently unreliable.

Here’s why hiking specifically gets shortchanged:

Elevation isn’t factored well. Most trackers use step count and heart rate as primary inputs. They don’t properly account for the massive metabolic cost of sustained uphill effort. A step going up 500 feet of elevation burns dramatically more energy than a step on flat ground, but your tracker counts them the same.

Terrain variability is invisible. Walking on rocks, roots, mud, and loose gravel requires constant stabilization from your core, ankles, and smaller muscle groups. The Pandolf equation includes a terrain factor (gravel is 1.2x harder than pavement, for example), but your watch has no way to detect what surface you’re walking on.

Pack weight doesn’t register. Unless you manually input your pack weight (which most trackers don’t even offer), that extra 20-40 lbs on your back is completely invisible to the algorithm.

Duration creates compounding error. A small percentage error compounds over a 4-6 hour hike. If your tracker underestimates by 20% per hour, you’re “missing” hundreds of calories by the end of the day.

For more accurate tracking on the trail, a dedicated hiking app that logs elevation data, terrain type, and duration can give you a much better estimate than a generic fitness tracker.

How to Maximize Your Hiking Calorie Burn

You don’t need to turn every hike into a sufferfest to get more out of it. A few adjustments can meaningfully increase your calorie expenditure:

Choose trails with elevation. Even 500-1,000 feet of gain over a few miles makes a significant difference. Sustained climbs beat flat distance for calorie burn, minute for minute.

Add a pack. Even if you don’t need to carry much, loading a daypack with 10-15 lbs of water and snacks turns a casual hike into a more effective workout. This is the same principle behind rucking, which has exploded in popularity for good reason.

Pick technical terrain. Rocky, rooty, uneven trails force your body to work harder for balance and stabilization. You’ll burn more and build more functional strength than you would on a smooth fire road.

Go longer, not just harder. One of hiking’s biggest advantages is sustainability. You can maintain a moderate effort for 4-6 hours without the joint stress of running. That accumulated time under load adds up to serious calorie burn.

Use trekking poles on steep descents. This might seem counterintuitive, but poles engage your upper body and help distribute effort across more muscle groups. Your arms and shoulders contribute to the calorie burn instead of just your legs doing all the work.

Track Your Hikes Properly

If you want a more accurate picture of what your hikes actually cost you, track elevation gain, distance, and duration separately. Then use MET values (or the Pandolf equation for backpacking trips) to calculate a more realistic estimate. Apps like Hiking Tracker log the elevation and distance data you need for better calculations.

FAQ

How many calories does a 1-hour hike burn?

It depends on your weight, the terrain, and whether you’re carrying a pack. A general range is 400-700 calories per hour. A 170 lb person on a moderate cross-country trail burns roughly 485 cal/hr, while the same person hiking uphill with a pack could burn 687+ cal/hr.

Does hiking burn more calories than running?

Per minute, running at a fast pace will burn more. But hiking’s advantage is duration. Most people can’t sustain a run for 4-6 hours, but they can absolutely hike that long. Over a full day, a challenging hike often burns more total calories than a typical 30-60 minute run.

Do fitness trackers accurately count hiking calories?

Generally, no. A Stanford study found calorie estimates from popular trackers were off by 27-93%. Hiking compounds the problem because trackers don’t properly account for elevation gain, terrain difficulty, or pack weight. Dedicated hiking apps that track elevation data tend to give better estimates.

Does carrying a backpack really make that big a difference?

Yes. Research based on the Pandolf equation shows that pack weight significantly increases metabolic cost. A 150 lb hiker carrying a 50 lb pack burns roughly 555 calories per hour at a brisk pace. Even a 10-15 lb daypack adds measurable calorie burn compared to hiking with nothing on your back.

Is hiking a good workout for weight loss?

It’s one of the best options out there. Hiking combines sustained moderate intensity with long duration, which is an ideal recipe for high total calorie expenditure. A four-hour moderate hike can burn 1,500-2,500+ calories, which is extremely difficult to match with most gym workouts. Plus, the varied terrain builds functional strength and improves balance.

The Bottom Line

Hiking is one of the most effective calorie-burning activities you can do, and it’s consistently underestimated. Between elevation gain, pack weight, uneven terrain, and multi-hour durations, a solid hike can rival or exceed the caloric cost of much more “intense” workouts.

The numbers don’t lie. A MET value of 6.0-9.0, compounding over hours of trail time, adds up fast. And since most trackers underreport the true cost, you’re probably burning even more than you think.

So the next time someone tells you hiking is “just walking,” you’ve got the data to set them straight.