How Many Calories Do You Burn Hiking 5 Miles? | Fast Facts

Calories Burned On A 5-Mile Hike: What Changes It

Hiking energy use comes from three levers: how much you weigh, how long the 5 miles take, and how hard the trail makes your body work. Researchers standardize this “how hard” piece using METs, a unit that scales resting energy up to activity energy. The CDC explains METs as 1 MET at quiet rest, with vigorous movement starting at 6 METs.

Trail walking with rocks, roots, and gentle ups and downs typically maps to 6.0 METs in the Compendium of Physical Activities. Add a meaningful pack or sustained grade and the MET value rises. Backpacking is listed at 7.0 METs, hiking with a daypack at 7.8 METs, and uphill walking at 8.0 METs or more depending on the grade.

Quick Math You Can Trust

The common calorie equation using METs looks like this: Calories = MET × 3.5 × body weight (kg) ÷ 200 × minutes. That formula underpins many professional calculators and fits steady, continuous activity. It’s a model, not a lab test, yet it’s a reliable way to compare routes and paces across the same 5-mile distance.

Table 1: Estimated Calories For 5 Miles (By Weight & Pace)

This table uses 6.0 METs (cross-country hiking) and the time it takes to cover 5 miles at each pace. Numbers are rounded for readability.

Body Weight	Pace (mph)	Estimated Calories
120 lb	2.0	~860 kcal
120 lb	3.0	~570 kcal
120 lb	3.5	~490 kcal
150 lb	2.0	~1,070 kcal
150 lb	3.0	~710 kcal
150 lb	3.5	~610 kcal
180 lb	2.0	~1,290 kcal
180 lb	3.0	~860 kcal
180 lb	3.5	~740 kcal
210 lb	2.0	~1,500 kcal
210 lb	3.0	~1,000 kcal
210 lb	3.5	~860 kcal

Calorie math for hiking lives inside your full day’s energy picture. Snacks and pacing make more sense once you have a handle on calories burned every day, not just the trail segment.

Why Pace Matters Even Over The Same Distance

Covering 5 miles faster shortens time on task. With MET held steady, calories scale with minutes, so a 3.5 mph trek burns less than a 2.0 mph crawl on the same trail. Slow isn’t wrong; it just means more minutes, which adds energy cost. On very steep climbs the MET increases too, so speed and grade tug the number in different directions.

Hills, Load, And Technical Footing

Once climbs appear, you move into the higher MET range. The Compendium lists walking uphill at 6–15% grade around 8.0 METs at typical hiking speeds. That change alone pushes a 5-mile effort for a 180 lb hiker from ~860 kcal to ~1,140 kcal at 3 mph. Add a daypack and it climbs further.

Carrying weight matters. Backpacking is indexed around 7.0 METs, and daypack hiking near 7.8 METs. Even a light water load collects across hours, so plan snacks that match the elevation profile and heat.

How To Estimate Your Own Burn In Seconds

Step 1: Pick The Closest MET

Use 6.0 for typical cross-country hiking, 7.0 for backpacking, 7.8 for daypack or rougher ground, and 8.0+ for sustained climbs. You can review the source tables in the 2011 Compendium.

Step 2: Convert Your Weight To Kilograms

Multiply pounds by 0.4536. Example: 170 lb → ~77.1 kg.

Step 3: Estimate Time For 5 Miles

Minutes = 300 ÷ pace (mph). At 3 mph, that’s 100 minutes.

Step 4: Run The Equation

Calories = MET × 3.5 × kg ÷ 200 × minutes. Keep in mind that field conditions, heat, altitude, and breaks shift the final number.

Fueling Tips That Match The Math

Balance Carbs, Fluids, And Sodium

Longer time on trail means more glycogen use and sweat losses. Aim for steady carb intake (think energy chews, bananas, tortillas with nut butter), plus consistent water sips. Use an electrolyte mix on hot or high-gain days so you’re not chasing thirst late.

Pack Smart For The Profile

Steep routes call for compact calories and a bit more sodium. Gentle, rolling terrain lets you pack fresh foods without much penalty. If your route crosses reliable water, a filter saves weight compared with carrying all liters from the trailhead.

Table 2: One Comparison At 3 mph (180 lb)

Same 5 miles, different intensity assumptions. This snapshot shows how MET choice moves the estimate.

Scenario	MET	Estimated Calories
Cross-Country Hiking	6.0	~860 kcal
Backpacking (Heavier Gear)	7.0	~1,000 kcal
Daypack / Rougher Ground	7.8	~1,110 kcal
Sustained Uphill (6–15% grade)	8.0	~1,140 kcal

What If Your Route Is Mostly Downhill?

Downhill segments reduce effort a bit, yet they don’t turn the day into a zero. You still spend time on your feet, manage footing, and brake with your legs. If long descents dominate, expect numbers to land near the lower end of the range for your weight.

How Reliable Are MET-Based Estimates?

They’re strong for planning, especially across consistent terrain. The Compendium itself notes that MET values were built for population estimates and surveys, not lab-grade measurements for a single person. That’s why two hikers with the same stats can finish with slightly different burns.

The concept remains useful because the intensity categories line up with how hard you breathe and talk. The CDC classifies 3–5.9 METs as moderate and 6.0+ as vigorous, so most mountain days land squarely in the higher bracket. Use the model to size food and water, then let your breathing and legs confirm the effort in real time.

Practical Examples To Copy

Example A: 150 lb, Rolling 5 Miles At 3 mph

Pick 6.0 METs. Minutes = 100. Weight = 68.0 kg. Calories ≈ 6.0 × 3.5 × 68.0 ÷ 200 × 100 ≈ 714 kcal.

Example B: 180 lb, Hefty Daypack, Same Pace

Pick 7.8 METs. Minutes = 100. Weight = 81.6 kg. Calories ≈ 7.8 × 3.5 × 81.6 ÷ 200 × 100 ≈ 1,110 kcal.

Example C: 210 lb, Steady Climb, Slower 2.5 mph

Pick 8.0 METs. Minutes = 120. Weight = 95.3 kg. Calories ≈ 8.0 × 3.5 × 95.3 ÷ 200 × 120 ≈ 1,600 kcal.

When To Adjust Your Plan

Heat And Altitude

Hot days and thin air raise perceived effort. That often slows pace, lengthens total minutes, and bumps calories. Carry extra fluids and salt when temps spike or when the route climbs well above sea level.

Technical Trails

Loose rock, blow-downs, creek crossings, or snow fields force constant micro-bursts. Time stretches even if mileage looks tame on the map. Use the higher end of the range or the backpacking/daypack METs to avoid under-fueling.

The Research Behind The Numbers

The Compendium sets activity codes with MET values for common movements, including hiking, backpacking, uphill walking, and daypack trekking. You can scan those entries directly and match them to your route style. The CDC’s intensity page explains where vigorous activity starts and offers an easy “talk test” cue that mirrors real trail effort.

Want a simple tracking habit between hikes? Try our guide to track your steps so pace estimates get tighter week by week.